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Unox MINDMaps BAKERTOP, Service Manual

The Unox MINDMaps BAKERTOP is a versatile oven perfect for baking a variety of items. Unlock its full potential by downloading the free Service Manual from manualshive.com. This comprehensive manual will guide you through the various features and functions of this innovative oven, ensuring optimal performance every time.

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 2 rotor arm CHeFtoP-baKertoP MiNd.Maps™, PluS ovens

The MIND.MapsTM PLUS floor standing ovens 16EU and 20 GN1/1 with two rotor arms have a 
washing circuit as illustrated below.

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VNR

FDET

VNR

PD

DETERGENT

TANK

P

S3

FDET

PD

EL2

FAN GUARD

SHOWER

PROVER

HOOD

DRAIN

WATER 

TREATMENT

ROTOR ARM

EG1

EG2

550 mm

550 mm

EL1

VNR

EL1

L4 UP

120mm

EL1

170mm

1000mm (BIG)

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VNR

FDET

VNR

PD

DETERGENT

TANK

P

S3

FDET

PD

EL2

FAN GUARD

SHOWER

PROVER

HOOD

DRAIN

WATER 

TREATMENT

ROTOR ARM

EG1

EG2

550 mm

550 mm

EL1

VNR

EL1

L4 UP

120mm

EV

DRAIN COOLING KIT

ABB

170mm

220mm

1000mm (BIG)

EL2

EG1

EG2

Figure 17

US and Japan ovens 

2 rotor arms

European oven 

2 rotor arms

79

Summary of Contents for MINDMaps BAKERTOP

Page 1: ...SERVICE MANUAL...

Page 2: ...access the content by clicking the mouse on the text or on the page numbers mark ed in blue INTERAC T I V E V E R S I O N The digital version of the manual which is available in PDF format is interac...

Page 3: ...46 Service menu user setting parameters 59 SteaM MaxiTM dry MaxiTM 66 AIr MAXITM 76 SELf CLEANINg SOLENOId vALvES 79 CHEFTOP MIND MapsTM BIG 88 CHEfTOp MINd MApSTM BIg ZERO 94 SPIDO GasTM Theory and...

Page 4: ...0 0 0 0 Pe 0 7 Kw 220 24 0 V 1PH N PE 50 60H z 150 60 0 kPa iP X4 GROSS WEIGH T 106 7 kg NET WEIGH T 90 kg S N MOD 12 0705 N 70 5CL2 32 0 XE VC 071 1 GPR IT0802 000000 377 S N 201 4L0 077 017 Made by...

Page 5: ...7 7 trays 10 10 trays 16 16 trays 20 20 trays Type of trays 11 GN1 1 23 GN2 3 21 GN2 1 EU 600X400 European Pastry FS Full Size HS Half Size QS Quarter Size 13 Compatible GN1 3 Heating type E Electric...

Page 6: ...eatures of PLUS version which are not available ONE Version PROGRAMS MIND MAPS SET CHEFUNOX DATA READY COOK CHEFTOP MULTI TIME MISE EN PLACE 11 00 am 23 10 2014 READY ROTOR KLEAN PROGRAMS MIND MAPS SE...

Page 7: ...60Hz Asynchronous single phase motor EU 230 VAC 50Hz US 208 240 VAC 60Hz 230V cooling fan Capacitors for every motor 6 3 F EU 90 VA transformer with 12Vac and 21Vac outputs US 60 VA transfor mer with...

Page 8: ...ND MapsTM ZERO Power Board PE2102 41 Figure 1 Electrical oven electrical scheme Figure 1 below represents the electrical schematic of a countertop oven Line 3 directly feeds the board through the P1 s...

Page 9: ...ransformeracross the pins NF and LFof the P1 socket The primaryturn of the transformeris powered at 230 VAC The secondary turn of the transformerconverts the 230 VAC into 12 21 VAC for PLUS modelsand...

Page 10: ...reading circuit Multi point core probe Pressure switch input Back side fan guard cleaning solenoid valve 21 V AC input TL1 and TL2 contactor group relay Micro switch of the Pollo system valve input Di...

Page 11: ...DESCRIPTION ACTUALIZA TION VOLTAGE CURRENT MAX N LOAD TYPE OF LOAD MAX N LOAD HARDWARE OUTPUT TL_1 Contactors Relay RL8 230 Vrms 150 mA A 5 EV_1 Low steam turn Relay RL4 230 Vrms 60 mA B 2 EV_2 High...

Page 12: ...nce R 100Hz 100Hz measured resistance Z 100Hz 100Hz measured impedance DCR Measured resistanc e in DC X R Q X R X reactanc e R resistence angle between real axis and the impedance vector Input NAME IN...

Page 13: ...ransformer pow ered neutral 3 L_F Transformer power supply phase 4 L Board power supply phase 5 COND Capacitor for the motor startup 6 COND Capacitor for the motor startup P2 INARLOCK 5P 1F Black 1 N...

Page 14: ...ction CANBUS 2 B 3 A 4 GND P13 1 13V Bridge board connection CANBUS 2 B 3 A 4 GND P28 AMP Modu II 6P 1 Potential free contact 1 2 GND 3 Potential free contact 2 4 GND 5 Potential free contact 3 6 GND...

Page 15: ...TR60 230V 12V 60VA Mechanical dimensions DIMENSION X 282 mm DIMENSION Y 145 mm MAXIMUM HEIGHT 49 mm FIXING HOLES DIAMETER 4 06 mm Working parameters PARAMETER MINIMUM VALUE MAXIMUM VALUE WORKING TEMPE...

Page 16: ...ing elements branch contactors Relay RL9 230 Vrms 120 mA A 4 EV_1 steam low flow Relay RL4 230 Vrms 60 mA B 2 EV_2 steam high flow Relay RL5 230 Vrms 60 mA B 2 VENT DRY Maxi solenoid Relay RL3 230 Vrm...

Page 17: ...1162A0 SUNON DP200A 130 mA 230 V 50 Hz 21 W 19 Var 28 Va 0 75 3 4 H 1 1 k 1 6 k 626 1 11 48 1 F Motor MT1012A0 SISME 1 62 240V 60 Hz 388W 30 5 G DRY Maxi solenoid VE1135 VE1140 VE1014 RPE SERIES R 230...

Page 18: ...ate current Analogue 0 260 VRMS 1 V 5 V IAC_MOT Motor power supply alternate current Analogue 0 8 ARMS 1 mARMS 50 mARMS IAC_LOAD Auxiliary loads power supply alternate current Analogue 0 1 5 A RMS 1 m...

Page 19: ...2 N_F 3 L_F Transformer power supply phase 4 L Board power supply phase 5 COND Capacitor for the motor startup 6 COND Capacitor for the motor startup P2 INARLOCK 5P 1F Black 1 N Neutral 2 RW Motor po...

Page 20: ...Drainage cooling water solenoid neutral P8 RJ PLUG 8 contacts 90 1 13V Accessory board 1 connection MODBUS 2 GND 3 A 4 B 5 12V 6 GND 7 GND 8 13V P9 RJ PLUG 8 contacts 90 1 13V Accessory board 2 connec...

Page 21: ...e TAC2 2 IN_TAC1 3 IN_TAC2 4 GND P30 AMP Modu II 4P 1 TAC3 4 13V Tachometer input TAC3 e TAC4 2 IN_TAC3 3 IN_TAC4 4 GND P21 1 21VAC 21V ac 21 V AC power supply from secondary transformer 2 21V ac 3 12...

Page 22: ...TR60 230V 12V 60VA Mechanical dimension DIMENSION X 356 mm DIMENSION Y 145 mm MAXIMUM HEIGHT 49 mm FIXING HOLES DIAMETER 4 06 mm Working parameter PARAMETER MINIMUM VALUE MAXIMUM VALUE WORKING TEMPERA...

Page 23: ...GE LOW VOLTAGE Output NAME LOAD DESCRIPTION ACTUALIZA TION VOLTAGE CURRENT MAX N LOAD TYPE OF LOAD MAX N LOAD HARDWARE OUTPUT EV_1 steam low flow rate Relay RL4 230 Vrms 60 mA B 2 EV_2 steam high flow...

Page 24: ...7 4 k 4 3 k 1 19 50 C Pump VL1038A0 A R S MPP1 185 mA 140 V 50 Hz 21 W 30 Var 36 Va 0 58 1 75 H 660 1 3 k 580 1 66 59 E Fan VN1162A0 SUNON DP200A 130 mA 230 V 50 Hz 21 W 19 Var 28 Va 0 75 3 4 H 1 1 k...

Page 25: ...M 1 RPM TAC_2 Tachometer group 2 direction Analogue 30 10K RPM 1 RPM 1 RPM VAC Power supply alternate current Analogue 0 260 VRMS 1 V 5 V IAC_MOT Motor power supply alternate current Analogue 0 8 ARMS...

Page 26: ...RANSFORMER 2 CURRENT 83 mA Socket table ET SOCKET TYPE N PIN LABEL DESCRIPTION P1 INARLOCK 6P 2F White 1 N Board power supply neutral 2 N_F 3 L_F Transformer power supply phase 4 L Board power supply...

Page 27: ...fan neutral P7 INARLOCK 2P 1F White 1 ABB Drainage cooling water solenoid phase 2 N Drainage cooling water solenoid neutral P8 RJ PLUG 8 contacts 90 1 13V Accessory board 1 connection MODBUS 2 GND 3 A...

Page 28: ...2 GND P19 JST XHP 2 1 CMB1 IN Bottor temperature probe 2 GND P20 AMP Modu II 4P 1 TAC1 2 13V Tachometer input TAC1 e TAC2 2 IN_TAC1 3 IN_TAC2 4 GND P30 AMP Modu II 4P 1 TAC3 4 13V Tachometer input TAC...

Page 29: ...R60 230V 12V 60VA F7 2A 250 V Fast F Gas control unit BRAHMA ECM113 F9 2A 250 V Fast F Blower gas premix Mechanical dimensions DIMENSION X 356 mm DIMENSION Y 145 mm MAXIMUM HEIGHT 49 mm FIXING HOLES D...

Page 30: ...0 P20 P19 P15 P14 P28 P11 P12 P13 P32 P18 P17 P16 E1 F2 P1 HIGHT VOLTAGE LOW VOLTAGE Output NAME LOAD DESCRIPTION ACTUALIZA TION VOLTAGE CURRENT MAX N LOAD TYPE OF LOAD MAX N LOAD HARDWARE OUTPUT EV_1...

Page 31: ...Var 6 5 Va 0 72 9 H 4 7 k 7 4 k 4 3 k 1 19 50 C Pump VL1038A0 A R S MPP1 185 mA 140 V 50 Hz 21 W 30 Var 36 Va 0 58 1 75 H 660 1 3 k 580 1 66 59 E Fan VN1162A0 SUNON DP200A 130 mA 230 V 50 Hz 21 W 19 V...

Page 32: ...pply alternate current Analogue 0 260 VRMS 1 V 5 V IAC_MOT Motor power supply alternate current Analogue 0 8 ARMS 1 mARMS 50 mARMS IAC_LOAD Auxiliary loads power supply alternate current Analogue 0 1...

Page 33: ...ANSFORMER 2 CURRENT 83 mA Socket table ET SOCKET TYPE N PIN LABEL DESCRIPTION P1 INARLOCK 6P 2F White 1 N Board power supply neutral 2 N_F 3 L_F Transformer power supply phase 4 L Board power supply p...

Page 34: ...Cooling fan output phase 2 N Cooling fan output neutral P7 INARLOCK 2P 1F White 1 ABB Drainage cooling water solenoid phase 2 N Drainage cooling water solenoid neutral P8 RJ PLUG 8 contacts 90 1 13V A...

Page 35: ...IFIT 2P 1 DOOR2 IN 2 GND P19 JST XHP 2 1 CMB1 IN Bottom Temperature probe 2 GND P20 AMP Modu II 4P 1 TAC1 2 13V Tachometer input TAC1 e TAC2 2 IN_TAC1 3 IN_TAC2 4 GND P30 AMP Modu II 4P 1 TAC3 4 13V T...

Page 36: ...MIDITY 90 Regulations Reference Guidelines 73 23 CEE 89 336 CEE General reference rule CEI EN50081 1 CEI EN50082 1 fUSE NOMINAL CUrrENT NOMINAL vOLTAgE SpEEd Of INTErvENTION prOTECTEd CIrCUIT F2 2A 25...

Page 37: ...es coming from different sensors such as probes It communicates via CANBUS with the control board P3 P4 P14 P20 P16 P15 P21 P22 P5 P6 P18 P8 P9 Output NAME LOAD DESCRIPTION ACTUALIZA TION VOLTAGE CURR...

Page 38: ...logue PT100 0 300 C 32 572 F 0 1 C 0 5 C HEART_2 Probe 2 of multipoint core probe Analogue PT100 0 300 C 32 572 F 0 1 C 0 5 C HEART_3 Probe 3 of multipoint core probe Analogue PT100 0 300 C 32 572 F 0...

Page 39: ...rotation group mot or 2 3 FW Output clockwise rotation group mot or 2 4 F 230 Vac Phase motor group 2 5 TM Motor thermal protection group 2 P3 INARLOCK 3P 1F Black 1 RES1 Motor Braking element 1 GROU...

Page 40: ...OCK 5P 1F Black 1 N Motors neutral input from PE2038 2 RW Input RW reverse motors from PE2038 3 FW Input FW forward motors from PE2038 4 F Motors input phase from PE2038 5 TM Output thermal protection...

Page 41: ...nnection Power Board F2 230V AC 12 V AC Power Board F4 230 V AC 12 V AC PCB PCB The transformer is electronic and included in the power board The primary turn of the transformer is powered at 230 VAC...

Page 42: ...ntactors 30 mA 230 V 50 Hz 2 W 6 Var 6 5 Va 0 31 13 H 2 k 9 4 k 770 4 42 77 2 B Steam valve 30 mA 230 V 50 Hz 4 7 W 4 5 Var 6 5 Va 0 72 9 H 4 7 k 7 4 k 4 3 k 1 19 50 E Cooling fan 230 V 50 Hz 21 W 19...

Page 43: ...tion socket Power board have 1 canbus socket to communicate with the control board p09 3 canbus sockets to communicate with the accessory boards p10 p11 p12 power supply PARAMETER NOMINAL CURRENT MINI...

Page 44: ...n output phase P7 CPM 2P 1F Green 1 TL1 Contactor output 2 N TL1 neutral P9 1 CANBUS1 L Accessory board 1 connection CANBUS 2 12Vcc 3 GND 4 H P10 1 CANBUS2 L Accessory board 2 connection CANBUS 2 12Vc...

Page 45: ...AGE D PROTECTED CIRCUIT F1 160 mA 250V Fast F Primary of the transformer F2 2 A 250V Time delay T Secondary of the transformer Mechanical dimension DIMENSION X 210 mm DIMENSION Y 100 mm MAXIMUM HEIGHT...

Page 46: ...e range 4 16 GB formatting with FAT32 Software update procedure OLD PANEL PROGRAMS MIND MAPS SET CHEFUNOX DATA READY COOK CHEFTOP MULTI TIME MISE EN PLACE 11 00 am 23 10 2014 READY ROTOR KLEAN PROGRAM...

Page 47: ...PLUS BIG ovens If you arereplacingthe controlboard follow steps 3 and 4 otherwise skip to step 5 3 Remove the SD card from OLD panel 4 Insert this SD card inside the NEW control panel 5 PLUG the USB s...

Page 48: ...OR KLEAN PROGRAMS MIND MAPS SET CHEFUNOX ROTOR KLEAN DDC STATS READY COOK CHEFTOP MIND Maps PLUS MULTI TIME MISE EN PLACE 23 10 2017 18 30 CHEFTOP SLOWTOP SETTINGS USER SETTINGS SERVICE MENU NETWORK 1...

Page 49: ...GRAMS MIND MAPS SET CHEFUNOX DATA READY COOK CHEFTOP MULTI TIME MISE EN PLACE 11 00 am 23 10 2014 READY ROTOR KLEAN PROGRAMS MIND MAPS SET CHEFUNOX ROTOR KLEAN DDC STATS READY COOK CHEFTOP MIND Maps P...

Page 50: ...PLACE 11 00 am 23 10 2014 READY ROTOR KLEAN PROGRAMS MIND MAPS SET CHEFUNOX ROTOR KLEAN DDC STATS READY COOK CHEFTOP MIND Maps PLUS MULTI TIME MISE EN PLACE 23 10 2017 18 30 CHEFTOP SLOWTOP SETTINGS U...

Page 51: ...file type and name according to the electronic board that you are go ing to upgrade Refer to the table below black green green violet ELECTRONIC BOARD FW NAME PE2038A0 PLUS electrical ovens power boar...

Page 52: ...OX oven USB stick you can use any USB with capacity within the range 4 16 GB formatting with FAT32 2 Insert the USB stick int o your PC Software update procedure NeW PANEL PROGRAMS ND MAPS EFUNOX DATA...

Page 53: ...in KPE1057 from 1058 bin to 1058_F bin KPE1058 from 1062 bin to 1062_F bin KPE1062 If you are replacing the control board follow steps 3 and 4 otherwise skip to step 5 3 Remove the SD card from OLD pa...

Page 54: ...MAIN SERVER raw velexcloud com SHOW FULL MENUS OFF INSTALLATION INFO START STOP UTILITIES CONTROL BOARD POWER BOARD ETHERNET BOARD GAS FUMES BOARD 3G BOARD SOUS VIDE BOARD WIFI BOARD START STOP UPDATE...

Page 55: ...velexcloud com SHOW FULL MENUS OFF INSTALLATION INFO START STOP UTILITIES START STOP INSERT OVEN MODEL 0 W E R T Y U I O P Q S D F G H J K L A X _ C V B N M OK Z 9 8 7 6 5 4 3 2 1 XAVC 0511 EPLM OK 0...

Page 56: ...100 WASHING DIAGNOSTICS ON WASHING VALVES TYPE NORMAL NUMBER OF ROTORS 1 START STOP WASHING DETERGENT QUANTITY 100 WASHING DIAGNOSTICS ON WASHING VALVES TYPE NORMAL NUMBER OF ROTORS 1 START STOP NUMB...

Page 57: ...3 4 5 6 7 8 9 0 OK SERVICE PIN 99857 PROGRAMS MIND MAPS SET CHEFUNOX UNOX CARE DATA FAVORITES CHEFTOP 15 34 2015 01 29 MULTI TIME MISE EN PLACE MAXI LINK 1 2 3 4 5 6 In case of software upgrading of...

Page 58: ...e file type and name according to the electronic board that you are go ing to upgrade Refer to the table below black green green violet ELECTRONIC BOARD FW NAME PE2038A0 PLUS electrical ovens power bo...

Page 59: ...PTIVE Cooking system will ask you ADAPTIVE Cooking will optimize your cooking process by automatically adjusting your settings then y ou can choice between YES NOW YES ALW AYS NO NOW NO NEVER When it...

Page 60: ...celcius offset of resistor probe each 0 1 C corresponds to 1 unit in the parameter From 50 to 50 0 CHAMBER PROBE OFFSET Celsius degrees offset of chamber probe each 0 1 C corresponds to 1 unit in the...

Page 61: ...itation of the DRY Maxi If set on OFF standard DR Y Maxi activation Low DRY Maxi activation only if set to 100 HIGH DRY Maxi activation only during Humidity Calibration Cleaning Cycle 5 seconds to the...

Page 62: ...er is set to ON it is not possible to cook without the trolley inside the cooking chamber ON Off in countertop models on in trolley models FUMES MIN LIMIT TEMPERATURE Set the lowest temperature limit...

Page 63: ...change the progr am parameters OFF ON OFF MANUAL FAT COLLECTION Activate Deactivate the FAT collection with the PolloTM system ON OFF MAX SPEED N INVERS The system doesn t make the fan reversion if th...

Page 64: ...vate Deactivate the SMOKER accessory O FF ON O FF SOUS VIDE PROBE OFFSET Offset of sous vide probe expressed in degrees celcius and multiply b y 10 From 50 to 50 0 STEAM BOOST Activate Deactivate the...

Page 65: ...ctivate Deactivate the reading of the pressure switch placed in the washing system ON OFF ON WASHING VALVES TYPE To choose the type of solenoid valves used in the washing circuit NORMAL SELF CLEANING...

Page 66: ...status1 or closed status0 The climate conditionscan be setasreported in Table 6 Table 6 STEAM Maxi and DR Y Maxi working conditions Clima Minimum set point Maximum set point STEAM Maxi 0 100 DRY Maxi...

Page 67: ...as speci fied below in the chapter STEAM MaxiTM set to 100 If Tsp 70 C 158 F or Tsp 200 C 392 F Tsp Set Point Temperature Pulse mode If DRY Maxi is set to 100 If STEAM Maxi is set to 0 and ADAPTIVE C...

Page 68: ...control figured in Figure 5 When STEAM Maxi is set to 100 the system records the number of consecutive times in which the cooking chamber has reached the saturation level If this value is 3 the syste...

Page 69: ...lack pipe for DRY Maxi de 42 mm Inlet pipe de 16 mm figure 7 DRY Maxi tecnology When the DRY Maxi solenoid actuator is open the fresh and dry air at room temperature is forced inside the cooking chamb...

Page 70: ...measurement is greater than 30 the DRY Maxi setting of the table above is increased by 20 After this first adjustment every time the humidity reading is less than 30 the DRY Maxi is reduced by 20 If t...

Page 71: ...tors and a triac device integrated on the power board to reverse the rotation The stator winding is powered by a sinusoidal voltage and it is crossed by a sinusoidal current that generates an alternat...

Page 72: ...phase in standard use the table shows how many bits are activated during a feeding cycle of the motor in working conditions LP measurement Leading edge phase during the measurement the measurement of...

Page 73: ...The braking of the motor requires the inversion of the polarization of the motor and the activation of both the resistances R1 and R2 If after 10 seconds the motor speed is greater than 200 RPM or if...

Page 74: ...black LDPE de 10 mm 0 4 inches figure 9 Water inlet after February 2020 WATER INLET SYSTEM BEFORE DECEMBER 2016 see Figure 1 The water inlet system is composed of A Input filter 3 4 with non return v...

Page 75: ...ack pipe for steam d 12 mm 0 47 inches G Connection to the detergent tank black LDPE d 10 mm 0 4 inches A B C 12 F 10 G 12 E 15 D 12 F 10 G 12 E Figure 11 Water inlet after December 2016 Detergent tan...

Page 76: ...h a small orifice that can be closed off by a plunger with a rubber gasket on the bottom A small spring holds the plunger down to close the valve The plunger is made of a ferromagnetic material An ele...

Page 77: ...ngle rotor arm that only cleans the cooking chamber 01 0 VNRFDET VNRPD DETERGENT TANK P S3 FDET PD EL2 G1 FAN GUARD SHOWER PROVER HOOD DRAIN ROTOR ARM EG1 550 mm 550 mm EL1 REL1 L4 UP 120mm 670mm 50mm...

Page 78: ...0 0 0 0 0 0 0 0 0 0 0 0 0 WATER TREATMENT ROTOR ARM EG1 550 mm 550 mm EL1 REL1 L4 UP 120mm 670mm EL1 50mm 170mm 01 0 VNRFDET VNRPD DETERGENT TANK P S3 FDET PD EL2 G1 FAN GUARD SHOWER PROVER HOOD DRAI...

Page 79: ...EL2 FAN GUARD SHOWER PROVER HOOD DRAIN WATER TREATMENT ROTOR ARM EG1 EG2 550 mm 550 mm EL1 VNR EL1 L4 UP 120mm EL1 170mm 1000mm BIG 01 0 7 G1 G2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

Page 80: ...e the line of the back fan guard cleaning has a flow restrictor on to equalize the pressure and avoid all the water going to the fan nozzles EL1 EL2 EG1 EG2 di 01 02 VNRFDET VNRPD DETERGENT TANK P S3...

Page 81: ...The new rotor arm layouts 20 GN 2 1 16 FS 10 GN 2 1 06 GN 2 1 20 GN 1 1 16 EU 600x400 EG1 EG1 EG2 EL2 EG2 Figure 19 81...

Page 82: ...ite sense of rotation 5 C 6 Final Rinse 7 Drying table 21 Long washing progr am for 2 rotor arm for Plus models A A C 1 1 Activating EG1 Det Pump Residual Detergent Rinsing 1 Activating EG1 DET Pump 2...

Page 83: ...deep internal revision but it s an integral part of the code CHEFTOP MIND MapsTM BIG Thenewfloor standingtrolleyovenshavebeenlaunchedinApril2019namedasCHEFTOPMIND Maps BIGPLUS Builton the current MIN...

Page 84: ...thickness is 10 10 mm and is made of AISI 316L as with all the other parts that might be in contact with the food trolley too All the parts are completely welded CHAMBER A 20 GN 2 1 16 FS CHAMBER B 20...

Page 85: ...power board is designed to power up to 5 motors Do not bridge all the motors with one po wer board 2011 YP only Star connection 380v 2011 DP Delta connection 230v Star connection 380v 2021 yp Only St...

Page 86: ...an group Fan guard thickness has increased from 10 10 to 12 10 mm in AISI 316L Solenoid Actuator Single collector pipe 50 mm DRY Maxi system The diameter of the venturi pipe from the motor increased f...

Page 87: ...PE2142A0 and is connected via a special CANBUS cable CE1975A0 to the auxiliary power board PT1000 type probe SN1049A0 metallic mesh plus 5 tape layers and the tip is extended by 1 cm Figure 26 Figure...

Page 88: ...ety thermostatas the oven can reach up to 300 C 572 F The safety thermostat has a trigger limit of 350 C 662 F The new safety thermostat accurately reads the temperature thanks to its design The pin i...

Page 89: ...ng SENSE Klean as opposed to ONE and PLUS models CHEFTOP MIND Maps ZERO can also not be connected to the internet See the table below CHEFTOP MIND MapsTM ZERO ThenewconvectionovenswerelaunchedinFebrua...

Page 90: ...oach analyses the way in which you use the oven and suggests personalised recipes MANUAL COOKING Convection cooking from 30 C to 260 C Convection humidity cooking starting from 90 C Saturated steam co...

Page 91: ...he use of innovative materials 2 speed fan system and high performance braking resistance Door hinges made of high resistanc e self lubricating techno polymer Door stop positions 60 120 180 Reversible...

Page 92: ...ve control panel COMBI STEAMER ONE 7 touchscreen resistiv e control panel COMBI STEAMER ZERO 7 segments display LED CONVECTION OVEN HUMIDITY CHEFTOP MIND Maps PLUS PROGRAMS MIND MAPS SET CHEFUNOX ROTO...

Page 93: ...activity before the oven goes into standby FOB Buzzer frequency MWL Manually increase or decrease the water supply from 2 to 1 each position modifies it by 20 TMP If different from zero it s the tempe...

Page 94: ...er at the end of cooking sounds for the seconds indicated by the parameter minimum 1 second rES 1 The heating elements of the oven are always on 0 The heating elements of the oven are always off expo...

Page 95: ...t and test it with the multimeter set to ohm The right value should be about 110 at 25 C 77 F Connect it and test the oven Replace the power board Replace the damaged temperature probe End INdEX AF03...

Page 96: ...PIN to PIN with the multime ter set to ohm Measure the electrical continuity of the cable previously connected to P10 P11 or P12 socket PIN to PIN with the multimeter set to ohm Restore the connection...

Page 97: ...y WF06 U01 overheating power board warning Replace the back cooling fan Replace the power board Check the direction of the air flux Reverse the position of the back cooling fan inside its case Move th...

Page 98: ...SDcard TaketheSDcard outandreinsert it Does the alarm persist YES NO End Turn the oven on and off at least 3 times by pressing the power button Replace the SD card of the panel and follow the procedur...

Page 99: ...gers it means that at least one motor has an elec trical leakage Test between the black and red wires of the motor socket and the body of the oven with the multimeter set to ohm If there is a ground f...

Page 100: ...o plug the oven to another socket and run the oven If the oven works properly call an electrician otherwise follow the next steps The electrical oven does not heat Either the heat ing elements or the...

Page 101: ...t to V AC If not replace the power board If yes is the steam pipe clogged If yes clean the pipe and check the water quality If not replace the steam solenoid The control panel is blank The oven is in...

Page 102: ...anel The color of the panel is very fad ed The LCD screen is damaged Replace the control panel There are some vertical or hori zontal lines on the control pan el The LCD screen is damaged Replace the...

Page 103: ...se of the heat exchangers Two fiberglass gaskets placed between the flange of the burner and the base of the heat exchanger Copper washer gaskets for the fixing nuts of the burners The system is desig...

Page 104: ...ure 1 Previous Gas circuit mechanical part Figure 2 Current Gas circuit mechanical part Figure 3 New gas part extension Figure 1 Figure 2 and Figure 3 show the previous system and the current system 1...

Page 105: ...10 Flame detected AF 23 11 Flame not detected AF 23 12 Figure 4 AF23 gas alarm When the SD card integrated in the control panel is corrupted the oven will show a differentset of alarms AF27 AF23 01 AF...

Page 106: ...tion electrodes and the torch 7 mm Distance between the flame detection electrode and the torch units To align the distance between the electrodes use one clamp to hold the ceramic part and one clamp...

Page 107: ...ew torch has been fitted use a gas leak detector for investigating any gas leakage g On the bottom of the heat exchanger the two metal rings and two glass wool cords are placed to ensure the sealing s...

Page 108: ...losed to the static value How to measure the static and dynamic outflow pressure see Figure 12 1 Unscrew the outflow gas pressure screw and connect the differential pressure meter 2 Open the gas tap a...

Page 109: ...rd are Control the 230 V AC loads of the oven such as motors contactors braking elements solenoid valve chemical pump cooling fan DRY Maxi solenoid valve Read the values measured by the oven sensors s...

Page 110: ...wer supply neutral P37 1 BLW1 24VDC 2 Input tachometer blower 1 3 Output control blower 1 PWM 0 24Vdc 4kHz 4 GNG ground connection P38 1 BLW2 24VDC 2 Input tachometer blower 2 3 Output control blower...

Page 111: ...ble 23 PE2021A0 and PE2021B0 gas board fuses N OF FUSE NOMINAL CURRENT NOMINAL VOLTAGE TYPE PROTECTED CIRCUIT F2 2A 250V Fast F Primary of the transformer TR60 230V 12V 60VA F3 2A 250V Fast F Detergen...

Page 112: ...lectrode n 2 Pin 14 Detection electrode n 3 Connector J5 Pin 8 Gas Valve Line Pin 9 Not used Pin 10 Gas Valve Neutral Connector J1 Pin 1 Led output signal Pin 2 Selector Neutral Pin 3 Pin 4 Selector N...

Page 113: ...ugh the flame control board sockets J2 and J4 5 The flame control board opens the gas valve sending the input from the J5 flame control board socket to the P34 power board socket of the power board an...

Page 114: ...alve power supply Neutral bridge connection 2 3 Gas valve power supply Phase bridge connection P35 STELVIO 3P 1F 1 Gas valve power supply Neutral bridge connection 2 3 Gas valve power supply Phase bri...

Page 115: ...RI 5 RI 4 RI 6 RI 7 RI 26 P26 P5 P6 F9 P7 P2 P3 P4 P33 P41 F3 P34 P35P36 P25 F4 F7 P40 P22 P10 P9 P8 P21 P30 P20 P19 P15 P14 P28 P11 P12 P13 P32 P18 P17 P16 E1 F2 P1 HIGHT VOLTAGE LOW VOLTAGE N OF SO...

Page 116: ...3 connection MODBUS 2 GND 3 A 4 B 5 13V 6 GND 7 GND 8 13V P11 CPM 4P 5P08 1 CONTROL 13V 2 B 3 A Control board connection CANBUS 4 GND P12 1 13V 2 B 3 A Bridge board connection CANBUS 4 GND P13 1 13V...

Page 117: ...power supply phase 4 TSA Safety thermostat outw ard 5 TSR Safety thermostat comeback P32 JST XHP 2 1 PRES IN Pressure switch potential free input 2 GND GND ground connection P24 Molex Microfit 6P 1 6...

Page 118: ...imes J3 J4 J2 J1 16 17 18 19 20 EV1 TR 21 Type TGRD81 8 1 2 3 4 5 8 7 9 10 11 12 13 RPM T C W ION B FD F1 RE SB N L 14 15 V PA Figure 15 Ignition sequence scheme US flame control board BRAHMA TYPE TGR...

Page 119: ...switch or revolutions per minute Photocell Lockout signal Fan Photodiode FD The whole electrical scheme of the US gas system is shown in Figure 16 Figure 16 Electrical scheme for US gas ovens 3 2 3 ig...

Page 120: ...s with weak ionizing signal Flashing orange light start up status with good ionizing signal Flashing red light diagnostic stop status or parasitic flame current Green and orange alternating light star...

Page 121: ...starting or during waiting prepurge time negative differential switching Figure 19 Ionization flame scheme The ground terminal of the control system the metal frame of the gas burner and the ground o...

Page 122: ...value respectively Gas fumes test 1 and 2 correspond to the maximum and minimum power of the oven respectively While performing the measurement in gas fumes test 2 the expected value of Hz should be...

Page 123: ...allation 3 4 thread incoming gas fitting Throttle Outflow gas pressure measuring point G20 G30 gas plate The LPG orifice is the same for all the gas models During the first installation you will find...

Page 124: ...IRES SETUP HOOD SETUP PROVER SETUP SLOWTOP SETUP DECKTOP SETUP UTILITIES 5 OVEN SETUP CLIMA POWER OFFSET PREHEATING WASHING GAS OPTIONS 6 GAS TYPE USE FUMES PROBE G20 ON FUMES MIN LIMIT TEMPERATURE FU...

Page 125: ...0 CHEFTOP SLOWTOP SETTINGS USER SETTINGS SERVICE MENU NETWORK 1 2 6 Combustion analyzer tool setting Set the instrument for measuring CO ppm and CO2 v v Set the gas type among G20 G25 G25 1 G25 3 G110...

Page 126: ...s of CO and CO2 Turn off the oven print the receipt and leave a copy of the analysis to the customer FAC SIM ILE Place the gas analyzer probe a few centimeters inside the left chimney looking at the o...

Page 127: ...ION GAS 2 FUMES TEST GAS 1 FUMES TEST 7 1 2 3 4 5 6 7 8 9 0 OK SERVICE PIN 99857 3 4 PROGRAMS MIND MAPS SET CHEFUNOX DATA READY COOK CHEFTOP MULTI TIME MISE EN PLACE 11 00 am 23 10 2014 READY ROTOR KL...

Page 128: ...nge reported on the UNOX technical chart in terms of CO and CO2 Turn off the oven print the receipt and leave the customer a copy of the analysis results FAC SIM ILE 16 If the throttle has been adjust...

Page 129: ...an speed error 167 WF06 Power board temperature warning 169 WF16 Lack of water or EL1 171 WF17 Partial breaking of multipoint probe 175 WF19 Lack of detergent 177 WF20 Rotor valve EG1 178 WF23 Blower...

Page 130: ...ature probe alarm 208 WS01 Power board overheating warning 209 PROVER AL01 AL04 Chamber resist or temperature probe alarm 210 AL02 Lack of communication alarm 211 AL03 Lack of power alarm 212 WL01 Hum...

Page 131: ...estricted set of funcions The OK icon on the screen clears all warning listed on the control panel Alarm messages identify situations that fail to allow any appliance peripheral accessories operation...

Page 132: ...hm NO YES Do you have the electrical conductivity Replace the motor that has the thermal protection circuit open Measure the electrical conductivity of the cable harness from the P2 socket to the moto...

Page 133: ...C Test 1 Motor thermal protection test PE2038 PE2037 PE2021 PE2022 test 2 Power board optocoupler check Check if the yellow optocoupler on the powerboard is connecting to right and left depending the...

Page 134: ...Figure 3 test Other visual checks 1 Cooling fan is running 2 Motors stuck by the shaft 3 External heat source OVEN 134...

Page 135: ...h as oven installation external heating sources and chamber probe 1 switched with chamber probe 2 contactors blocked power board damaged Replace the safety thermostat Replace cable Wait for the oven t...

Page 136: ...OVEN Test to do Test 1 Test 2 Check if the contactors are stuck closed constantly feeding the heating elements The powerboard picture to send to Service international Picture 1 136...

Page 137: ...P19 CMB1 and P16 CMB2 AF03 temperature probes End YES YES YES NO NO NO Replace the damaged temperature probe Connect them and test the oven Disconnect and test both of them with the multimeter set to...

Page 138: ...OVEN Test to do Test 1 138...

Page 139: ...OVEN Pt100 Temperature Probe Resistance table 139...

Page 140: ...asure the electrical conductivity of the cable previously connected to P12 or P13 socket PIN to PIN with the multimeter set to ohm NO Do you have electrical conductivity Replace the cable Measure the...

Page 141: ...go to INDEX OVEN Test to do Light ON Light OFF Normal power board status AF04 power board status 141...

Page 142: ...est 1 Measure the electrical conductivity of the control power board cable connected to P11 socket on Powerboard PIN to PIN test 2 Measure the electrical conductivity of accessory canbus cable OVEN 14...

Page 143: ...ue with the to ohm Replace the damaged cable Does the contactor that commands the ignitors trigger during the Is there power supply between pin A1 and A2 of the contactor Replace the contactor Is ther...

Page 144: ...in series between the flame detection electrode and the cable harness see Figure 23 and Figure 25 Figure 23 How to remove the flame detection cable Test 2 Measure the voltage out of the J5 socket of...

Page 145: ...34 socket of the power board and from the P35 or P36 to the gas valve Test 3 Measure the outflow gas pressure with a differential pressure gauge Take the measurement on the lower screw of the gas valv...

Page 146: ...f the electrodes Test 5 Remove the burner and check the following Check the gap between the ignition and flame detection electrodes see Figure 28 and see Figure 29 Test the electrical continuity of th...

Page 147: ...n horizontal position drainage position Washing program Verify the position of the handle of the Pollo system valve according to figure 1 Cooking program Verify the position of the handle of the Pollo...

Page 148: ...g grease installation with neutral cabinet pollo kit oven hood connection to a domestic drainage system HORIZONTAL CLOSED cleaning cycle VERTICAL OPENED poultry cooking exhaust grease Figure 1 Figure...

Page 149: ...Replace the powerboard Check the connection of the micro switch to P18 socket on the power board Is it connected Connect the micro switch to P18 socket Turn off power supply and measure the electrical...

Page 150: ...Test to do test 1 Measure the electrical conductivity of the micro switch OVEN 150...

Page 151: ...temperature probes contactors blocked damaged power board Test the continuity of the micro switch Replace the power board and send a picture to the UNOX service department Wait for the cooling down of...

Page 152: ...lectrical continuity of the micro switch test 2 The electric continuity on P22 socket between the pin 4 and the pin 5 are in corresponding to the TSA and TSR test 3 Measure electrical conductivity of...

Page 153: ...real cooking chamber temperature of about 260 C 500 F YES NO Do you have about 110 at 25 C 77 F YES YES NO Replace the power board Test again the oven at maximum temperature Do you measure a value of...

Page 154: ...he model of the oven i e XEVC 0511 EPR Press OK to save the model parameters Press the SETTINGS function gear icon Enter the user menu pin 99857 Press OVEN SETUP function Press OPTIONS function Press...

Page 155: ...163 OVEN Pt100 Temperature Probe Resistance table 155...

Page 156: ...board s P5 socket supplies the steam solenoid valve 230 V AC through the pin EV1 and N Replace the back power board NO YES NO YES Check if the both external and internal steam line is clogged If yes...

Page 157: ...P26 sockets You should find 230 VAC Replace the back power board Check if the steam pipe is clogged If yes clean it otherwise replace the washing system Check if the temperature probe is working prop...

Page 158: ...d find 110 ohm at about 25 C 77 F Replace the back power board AF43 core probe totally damage alarm Do you have between white cable and each of the colorful cable a value about 110 ohm at about 25 C 7...

Page 159: ...d test the oven at over 200 C 392 F End Is chamber probes 1 or 2 connected to the power board Connect the probe to the power board WF01 WF02 temperature probe warning Replace the power board Do you me...

Page 160: ...ould be on the external side of the magnet Does the oven trigger again WF04 AF08 YES NO NO Replace the power board NO YES Switch the magnet inside its place NO End NO YES Replace the cable harness YES...

Page 161: ...Test to do test 1Measurethemotorpowersupply from the power baord OVEN test 2Measure the RPM on the P20 socket 161...

Page 162: ...the position of the back cooling fan inside its case WF06 power board over heating warning T 60 C 158 F Replace the power board Replace the cable Test the back cooling fan by measuring the power suppl...

Page 163: ...g in the right direction The right place to which place the external temperature probe is shown in the figure below Place the external probe at 3 mm to the edge of the board to avoid short circuit tes...

Page 164: ...AC to the connector of the water solenoid Is the EL1 power on YES Does the EL1 open the flux of water remove the pressure switch and place a manometer to measure a pressure increase YES Does the EL2 c...

Page 165: ...eturn valve EL1440A EL1 EL1440A EL2 Vibration pump Non return valve EL1440A EL1 EL1440A EL2 Vibration pump Detergent filter valve EL1440A EG1 Pressure switch NO EL1440A EG1 Detergent filter valve Pres...

Page 166: ...OVEN test 1 Measure the power supply to the washing solenoid valve 166...

Page 167: ...OVEN Low pressure status High pressure status Low pressure status High pressure status Test 2 Test 3 167...

Page 168: ...ave electrical continuity between the tip of the core probe and the frame of the oven Cut properly the external armored coating of the probe inside the ground connection plate or check if the ground c...

Page 169: ...ground connection of the core probe test 1 Measure 110 ohm at 25 C 77 F between white and each colored test 2 Test the ground connection of each wire of the core probe Test 4 Check the screws on the...

Page 170: ...d to the detergent pump with the multimeter set to V AC Is there any obstruction detergent filter clogged pipe pinched locked non return valve from the tank to the detergent pump Check if the pump is...

Page 171: ...the mul meter set to ohm Does it open the circuit WF20 EL1 or EG1 valve NO Replace the power board Test 1 EL1 does not close or EG1 does not open YES Replace the power Replace the EG1 valve Test 3 NO...

Page 172: ...the power board Replace the fuse and test with the multimeter between phase and neutral of the blower if it is in short circuit in case replace it otherwise replace the power board Is the blower runni...

Page 173: ...test 1 Measure too see if the power board feeds 230 VAC to the blower test 2 Measure the frequency of the blower OVEN 173...

Page 174: ...the mul meter set to ohm Does it open the circuit KVL1101A KVL1104A for US version Single rotor arm PLUS cleaning system KVL1103A KVL1105A for US version Double rotor arm PLUS cleaning system Deterge...

Page 175: ...pen the circuit WF26 EL1 or EG1 EG2 valve NO Replace the power board Test 1 EL1 does not close or EG1 EG2 do not open YES YES Replace the power board Replace the EL1 valve Test 3 NO O Does the alarm d...

Page 176: ...with the mul meter set to ohm Does it close the circuit Maybe chemical is in the cooking chamber WF27 lack of water or EL1 or EG1 Measure the pressure downstream the pressure reducer when the oven is...

Page 177: ...OFF In case of emergency disconnect the fumes probe upgrade the FW to the version 24065 and deactivate the USE FUMES PROBE parameter SETTINGS USER SETTINGS SERVICE MENU NETWORK In case of emergency d...

Page 178: ...ower board cable with the multimeter set to ohm Connect the fumes board to the oven power board NO NO Replace the gas fumes board WF30 communication with fumes board Is the fumes board connected to th...

Page 179: ...xternal heating source Replace the gas fumes board NO Reverse the position of the back cooling fan inside its case WF31 power board overheating warning Replace the power board Test the back cooling fa...

Page 180: ...right direction Fan is not running in the right direction The correct position of the external temperature probe is shown in the gure below Place the external probe 3 mm to the edge from the board to...

Page 181: ...ns corrupted SDcard Take the SD card out and reseat it Does the alarm persist YES NO End Turn and turn on by pressing the power button at least 3 times Replace the SD card of the panel and follow the...

Page 182: ...g through them Are the valve open WF34 EG1 or EL2 valve EG1 or EL2 valve do not close Replace the power board NO Replace the open valve YES Fix the leaking point YES Test 3 NO O Replace the power boar...

Page 183: ...e valve open WF35 EG1 or EG2 or EL2 valve EG1 or EG2 or EL2 valve do not close Replace the power board YES Replace the open valve YES Fix the leaking point YES Test 3 NO O Replace the power board YES...

Page 184: ...the power board NO YES Replace the EG1 EG2 valve NO NO Does the alarm disappear YES End NO Replace the pressure switch EL1 is the most probable cause of this alarm YES Replace the power board Do you h...

Page 185: ...upplied WF37 lack of water or EL1 or EG1 EG2 Measure the pressure downstream the pressure reducer when the oven is cleaning YES NO O O Measure the pressure upstream the pressure reducer NO O O The pre...

Page 186: ...r hand Check if the oven is full of food If yes remove the trays from the oven and try again Check the F7 fuse and the power supply from P22 socket of the back power board to the J6 socket of the Brah...

Page 187: ...wing Pay attention the oven cannot accept the following symbols comma degree symbol Set the oven DHCP to OFF and through a computer find out the network address Thus write manually Try again a connect...

Page 188: ...mpedance of the temperature probe with the multimeter set to ohm Connect the temperature probe YES NO Do you have 110 ohm at 25 C 77 F YES NO Is the temperature probe connected to the P1 socket of the...

Page 189: ...OVEN Pt100 Temperature Probe Resistance table 189...

Page 190: ...od cooldown Isthewarning message still displayed Has the hood been installed following UNOX guidelines Is the water tap open Install the hood following The installation manual on ddc service com Measu...

Page 191: ...set to V AC if the power board provides 230 V AC to the connector of the water solenoid valve Is the solenoid power on Replace the hood power board NO NO Replace the hood power board Does the flow of...

Page 192: ...Infonet NO Check the electic power system of the customer NO NO WC06 lack of power Do you have 220 240 V AC to the hood terminal block measuring it by using the multimeter set to V AC Replace the pow...

Page 193: ...ction cable that links all the ovens power board to the hood power board Does the alarm persist Replace the connection cable Does the alarm persist Replace first the hood power board If you do not fix...

Page 194: ...et the thermostat and analyse the possible causes such as oven installation external heating sources etc Measure the electrical continuity of the cable from the P6 socket to the safety thermostat plug...

Page 195: ...cable that links the oven power board and the deck top power board to a different socket of the oven power board Replace first the deck top power board If you don t fix the problem put back the old po...

Page 196: ...probe alarm Connect the probe to the power board Are the chamber probes connected to the P7 bottom probe or P24 ceiling probe sockets of the power board Measure the impedance of the probe with the mul...

Page 197: ...erse the back cooling fan inside its case YES YES Test 1 Test 2 WS01 power board overheating warning Does the back cooling fan run Test the back cooling fan by measuring the power supply to the connec...

Page 198: ...stor temperature probe alarm Connect the probe to the power board Are the chamber probes connected to the P10 or P12 sockets of the board Measure the impedance of the probe with the multimeter set to...

Page 199: ...able that links the oven power board and the prover power board to a different socket of the oven power board Does the alarm persist Replace the connection cable Does the alarm persist Replace first t...

Page 200: ...have 230 V AC between the pins L and N of the P9 socket of the power board of the prover by measuring it with the multimeter set to V AC Check the electic power system of the customer Is the prover po...

Page 201: ...R NO Connect it YES Replace it NO End YES Replace the prover power board WL01 humidity probe Is the humidity probe connected to the P5 socket of the power board Does the alarm persist running the oven...

Page 202: ...he prover cool down Is the warning message still displayed Has the prover been installed following UNOX guidelines Install the prover following the installation manual Is the water tap open Measure wi...

Page 203: ...O End YES AM01 Chamber temperature probe alarm Is the chamber probe connected to the P7 socket of the power board Measure the impedance of the probe with the multimeter set to ohm Does the alarm persi...

Page 204: ...that links the oven power board and the slow top power board to a different socket of the oven power board Does the alarm persist Replace the connection cable Does the alarm persist Replace first the...

Page 205: ...ly Disconnect P6 socket of the contactor and test the electrical continuity with the multimeter set to ohm Do you have the electrical continuity Do you have electrical continuity Measure the electrica...

Page 206: ...the electrical continuity Unplug the motor from the circuit and check the continuity between the white cables of the motor with the multimeter set to ohm Do you have the electrical continuity on the P...

Page 207: ...the 230 V AC power supply Check the direction of the air flow Is it from the inside to the outside of the unit Reverse the back cooling fan inside its case Move the oven far away from the external he...

Page 208: ...ning Turn off the power supply and disconnect the P23 socket Measure the impedance of the probe setting the multimeter to ohm You should find 110 ohm at about 25 C 77 F Do you measure between the whit...

Page 209: ...ol board and run the oven T 260 C t inf If the fuse blows replace the flame control board otherwise at least one of the two igniter is shorted therefore replace the double igniters upgrade kit code XR...

Page 210: ...lace the damaged solenoid valve If the gfCI triggers during the pump loading it means that the detergent pump has an electrical leakage and needs to be replaced The circuit breaker triggered When the...

Page 211: ...ssure equal to 2 bar If not replace the pressure reducer If yes go on with the troubleshooting The power supply to the chemical pump is not enough Measure the power supply applied to the pump with a m...

Page 212: ...ce lower or equal of 5 C between the real temperature of the cooking chamber and the temperature set with a calibrated temperature probe placed close to the one installed close to the fan guard bottom...

Page 213: ...e 12 V DC Do you have the right voltage If yes replace either the control board or the USB board If not open the back of the oven and measure the voltage between PIN 1 and 4 of the P11 socket with the...

Page 214: ...issue persists replace the control panel The buzzer does not sound Either the control panel or the USB board are defected Contactors are chattering Some metal dust is on the contact or the relay on t...

Page 215: ...214...

Page 216: ...0 BG UNOX BULGARIA NL NETHERLANDS UNOX NETHERLANDS B V E mail info nl unox com Tel 31 6 27 21 14 10 ZA SOUTH AFRICA UNOX SOUTH AFRICA E mail info sa unox com Tel 27 845 05 52 35 AC OTHER ASIAN COUNTRI...

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