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Unic Tango Ace, Technical Note, Page: 16 / 63

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Unic Tango Ace Technical Note Download Page 16

16

Maintenance p.23

Day/Night programming p.17

Counters  p.18

Main menu

Products p.22

Cleaning p.21

Other settings p.20

Settings p.19

Once the security code has been confirmed the levels 1 (Customer) or 2 (technician) are accessible (according 

to the Code).

Summary of Contents for Tango Ace

Page 1: ...UNIC the first French manufacturer of professional espresso machines since 1919 The manufacturer reserves the right to modify the appliances presented in this publication without notice Read carefully the safety instructions before use TG9066 07 2019 ...

Page 2: ......

Page 3: ...lic part 12 Installing the bins 12 4 COMMISSIONING 13 Switching on the machine and Turning on the heating 13 Module ST 13 5 INTERFACE 15 Main screen 15 Quick access screen Code 15 Miscellaneous icons 17 Day night programming 17 Counters 18 Settings 19 Other settings 20 Cleaning 21 Products 22 Maintenance 23 Access level 24 6 SETTINGS 24 Language 24 Language selection 24 Personalization 24 Keyboard...

Page 4: ... Coffee cleaning 32 Cappuccino cleaning with LC 33 Powder cleaning ACE MT 34 8 MAINTENANCE TROUBLESHOOTING 35 Description of cycles 35 1 group Cycles 35 Cappuccino Cycle 37 Hydraulic circuit ACE MT 38 Component test 39 Cooling machine 40 History of errors 40 Softener 40 Descaling 40 How to ugrade CPU and Display 41 Lists of cables 44 Static relays 45 Connectors 46 Fuses 48 Electronic Cards 50 Turn...

Page 5: ...erature below 5 C 41 F the water circuit boiler piping must be drained if the device freezes wait 24 hours at a minimum temperature of 10 C 50 F before restarting the device Before connecting the power and water supplies check that the electrical and water network are in accordance with the technical information plate of the device The power supply must be provided with the following safety featur...

Page 6: ...3 7A Ph 1 N 21A 5550 W 4900 W Europe 1 400V tri N 50HZ Ph 2 3 6 4A 6 4A Ph 1 N 10 5A 5200 W 4500 W Europe 2 230V Mono 50Hz 25 A 5200 W 4500 W UK 3 415V tri N 50Hz Ph 2 3 7 5A Ph 1 N 10 7A 5550 W 4900 W UK 4 240V Mono 50Hz 25 7 A 5550 W 4900 W Japon 5 200V tri N 50Hz Ph 2 3 6 2 A Ph 1 N 10 A 4060 W 3400 W Japon 6 200V Mono 50Hz 22 5 A 4060 W 3400 W Europe 7 230 tri 50Hz Ph 2 3 6 4 A Ph 1 N 10 5 A 5...

Page 7: ...7 ace TANGO ACE TANGO ACE MT ...

Page 8: ...8 MODULE FRIGO DIMENSIONS Width 22 5 cm 8 6 Height 39 2 cm 15 4 Depth 46 2 cm 18 Weight 14 kg 30 8 Lbs CAPACITIES Milk tank liter 4 ...

Page 9: ...luminium feet at the base of the rubber feet at the back and then do the same operation for bolting the feet to the front Hydraulic connections The machine is delivered with a complete connection kit including a stainless steel braided water hose 2 m length and a drain hose 2m 78 7 in length with a clamp located in the box of accessories Slide the lower trims toward the front Remove the basin gril...

Page 10: ...hine is pre set in the factory according to the country of destination see page 6 and or 7 E g For Europe the red wire is connected to the 230V terminal Once the connection has been performed correctly it is nevertheless advisable to check that the voltage is 230V 5 The low voltage should be about of 22V These voltages should be checked with the machine working and the main switch closed Réf 46031...

Page 11: ...Grd Vert Jaune Green Yellow BRANCHEMENT BORNIER TERMINAL CONNECTING Gris Grey Noir Black Marron Brown N Bleu Blue 400 415 v 3 Ph N T Grd 50 60HZ R N S F E D C A B T R N T S F E D C A B R N S F E D C A B T N Ph1 Gris Grey Noir Black Marron Brown N Bleu Blue R N S F E D C A B T T S phase 1 phase 2 phase 3 Gris Grey Noir Black Marron Brown ST Bleu Blue IN ALL CASES THE GREEN YELLOW WIRE MUST BE CONNE...

Page 12: ... direction of fitting Position the closing trap on the bins pay attention to the direction of the opening of the trap Access to the trap is by removing the side Capacity 1 7 kg 4 5 liters for the large bin Capacity 1 2 kg 3 liters for the small bin INSTALLING POWDER BIN Remove the powder cover forwards locked by the lock The hoppers are fixed from the rear Observe the mounting direction picture Re...

Page 13: ...ine They are only possible if the coffee grounds drawer is in place and they must not be interrupted for instance by removing the drawer The steam pressure and the temperature of the groups are visible on the screen during heating The machine is operational once heating has been switched on and the self check performed It is advisable to leave the machine heating on permanently Module ST The tempe...

Page 14: ... UP and DOWN keys to scroll through the parameters press SET to display the value associated with the parameter increase or decrease the value with the UP and DOWN keys respectively press SET to temporarily save the new value and return to the parameter display repeat the procedure for the other parameters that you wish to modify press the SET key for 3s to permanently save the parameters and exit...

Page 15: ...by Main screen Previous page Next page Manual trap Favourites Erreur code info Type of product Type of grinder Large dose of hot water Small dose of hot water Large dose of steam Small dose of steam Quick access screen Code Information relating to the whole of the machine in real time Quick access to the menu Cleaning Return to the main screen Key to stop the machine Access to levels 1 2 by passwo...

Page 16: ...Night programming p 17 Counters p 18 Main menu Products p 22 Cleaning p 21 Other settings p 20 Settings p 19 Once the security code has been confirmed the levels 1 Customer or 2 technician are accessible according to the Code ...

Page 17: ...efore blocking Icon for accessing error codes alarms activated Day night programming Allows you to schedule the days and times of automatic switching to night mode machine in standby reduced heating temperatures and day mode may or may not be followed by an automatic cleaning cycle To add a time slot Press Add a time slot Schedule the desired times Remember to confirm you can then either copy this...

Page 18: ...18 Counters This menu allows you to view the statistics for all the products produced on the machine Note At level 2 it is possible to perform a general reset of all counters Level 2 technician required ...

Page 19: ...d time the desired language the boiler temperatures and the LED colour and brightness Note Some settings are only accessible or changeable at level 2 technician Modifiable at level 2 technician p 24 Level 2 technician required p 25 Level 2 technician required p 25 Language p 24 Customizing p 24 ...

Page 20: ...20 Other settings Pre infusion STI p 27 Grinder calibration p 27 Cleaning settings p 25 Computer connection p 28 Cleaning setup p 26 Connectivity p 28 ...

Page 21: ...ning Flushing starts automatically once you have pressed the button Flushing starts automatically once you have pressed the button Coffee cleaning p 32 Milk cleaning p 33 Powder cleaning p 34 Milk coffee cleaning ...

Page 22: ...22 Products Keyboard creation p 29 Product managment p 30 Hot water steam p 29 PS settings p 29 PP settings p 30 ...

Page 23: ...23 ace Maintenance Component test p 39 Cooling machine p 40 History of errors p 40 Softener p 40 ...

Page 24: ...th the images press the import tab select the image s and confirm Adding images to the USB drive from a computer Open the USB drive open the folder named UNIC open the F_ECRAN folder copy the image into this folder follow the instructions on the Desktop wallpaper menu If there is no F_ECRAN folder on the USB drive create a new folder in the UNIC directory following the syntax exactly If the syntax...

Page 25: ...ater X X Steam X X Decaf X X Hydraulic system Basic X X with EViNF X X Self mode several variations take place on the machine To use hot water or steam press and hold the key To access the menu press and hold the self button at the bottom of the screen for 3 seconds Cleaning settings This submenu permits adjusting the settings for all cleaning and or rinsing cycles Backup This submenu allows impor...

Page 26: ...files profile change button Common to all profiles Validation button Common to all profiles Count the number of milk and or powder drinks Max 500 Mini 0 OK Clean machine 22h indication of remaining time 3 adjustable time ranges press on the box to set the desired time Checkboxes according to the settings of the programmed time slots Profile 4 free cleaning no cleaning required A message alert appe...

Page 27: ...y the new tamping values In general A small dose of ground coffee infused by a small quantity of water needs heavy tamping Level 4 A large dose of ground coffee infused by a larger quantity of water needs light tamping Level 1 Grinder calibration The type of coffee used and the grinder collar setting will affect the ground coffee dose This procedure calibrates the actual ground coffee weight dispe...

Page 28: ...settings required Wifi Security choose the security related to your wifi network WEP WPA WPA2 SSID wifi connection name access point name router box Password the word the point wifi acces Veryimportant fullyrespectthesyntax tinyuppercasecharacters Diagnostic 1 Turn off and restart the machine 2 To wait some minutes the LED turn green internet connection is OK Green Led ok connection with the Serve...

Page 29: ...ows Product selected Delete the drink List of products Slide the desired product into the box Hot water steam Large quantities of steam 0 to 100 sec Small quantities of steam 0 to 100 sec Temperature SteamAir 50 to 90 C Large volume of hot water 0 to 1000 cc Small volume of hot water 0 to 1000 cc PS Specific program Each drink programmed independently Displays all the settings for each product pre...

Page 30: ...of cups Name the drink tap the keyboard then validate the name by tapping ENTER to validate a new drink the name must be entered View of cup selected PP Programmed parameters single and double drinks linked Permits programming base settings common to each product family for example espresso cappuccino created during keyboard configuration Coffee Milk foam Milk Grinder selection Left foam time s Le...

Page 31: ...d pulling down 4 Separately disassemble each part for individual cleaning including the silicone suction tube 5 Reassemble Steam wand After each use wipe the steam tube with a damp cloth and briefly tap the steam button to purge the small quantity of milk remaining inside the tube Disassemble the steam outlet nozzle for easier cleaning Drip tray Remove the drip tray by sliding the frame forward an...

Page 32: ...te for more information about cleaning products refer to the manufacturer s safety data sheet Milk coffee cleaning It s possible to lunch in same time these two cleanings start by the coffee circuit by inserting the pellet follows the cleaning procedure of the milk circuit Coffee cleaning Tap the Coffee cleaning icon to access the procedure and follow it step by step DON T FORGET TO INSERT TABLET ...

Page 33: ... related to the circuit such as the milk tray and cappuccino outlet Use a pitcher of about 2 liters for cleaning 1 liter bottle Urnex UNIC reference 92027 2 liter pitcher UNIC reference 54212 Cleaning kit for milk and cappuccino circuits 1 2 3 4 5 6 7 Reference UNIC Urnex 92027 Reference UNIC pitcher 54212 ...

Page 34: ...34 Powder cleaning ACE MT It includes the internal cleaning of the circuit and the external components related to the circuit 1 2 3 5 9 11 4 6 8 10 12 7 ...

Page 35: ... MAINTENANCE TROUBLESHOOTING Description of cycles 1 group Cycles CHARGEMENT CAFE COFFEE FEEDING INFUSION INFUSION EJECTION DU MARC EJECTION OF GROUT ETAT REPOS STAND BY CYCLE CAFE 1 GROUPE COFFEE CYCLE 1 UNIT ...

Page 36: ...ECOMPRESSION DECOMPRESSION CYCLE 04 14 a2 EVK SORTIE CAFE SPOUT CHAUDIERE INTERNE INTERNAL BOILER VIDANGE DRAIN EVDC CHAUDIERE EXTERNE EXTERNAL BOILER EVNK BLOC NETTOYAGE CLEANING BLOCK SWITCH EVBEC EVK SORTIE CAFE SPOUT CHAUDIERE INTERNE INTERNAL BOILER VIDANGE DRAIN EVDC EVNK SWITCH TABLET DETERGENT BLOC NETTOYAGE CLEANING BLOCK CHAUDIERE EXTERNE EXTERNAL BOILER Infusion cycle Decompression cycl...

Page 37: ... EVC G EVC D EVL G EVL D EVNC LAIT MILK EAU CHAUDE HOT WATER AIR VAPEUR STEAM EV CAPPUCCINO CAPPUCCINO EV EV LAIT CHAUD HOT MILK EV EV NETTOYAGE CLEANING EV AIR EVC G EVC D EVL G EVL D EVNC LAIT MILK EAU CHAUDE HOT WATER AIR VAPEUR STEAM EV CAPPUCCINO CAPPUCCINO EV EV LAIT CHAUD HOT MILK EV EV NETTOYAGE CLEANING EV AIR EVC G EVC D EVL G EVL D EVNC LAIT MILK EAU CHAUDE HOT WATER AIR VAPEUR STEAM EV...

Page 38: ...ER DOSER DOSEUR EAU CHAUDE INTERNAL BOILER CHAUDIERE INTERNE STEAM COFFEE BOILER CHAUDIERE CAFE VAPEUR STEAM EV EV VAPEUR COFFEE CLEANING EV EV NETTOYAGE CAFE DRAIN VIDANGE LEFT UNIT DOSER DOSEUR GROUPE GAUCHE FILLER EV EV REMPLISSAGE CLEANING COLLECTOR BLOC PASTILLE FEEDING WATER ALIMENTATION EAU NO WATER SAFETY SECURITE MANQUE EAU PUMP POMPE NO RETURN VALVE CLAPET ANTI RETOUR SPOUT EV EV DE BEC ...

Page 39: ...e relay coffee 1 RSC2 Solid state relay coffee 2 RSC3 Solid state relay coffee 3 MAC1 Grinder n 1 purple MAC2 Grinder n 2 green MAC3 Grinder n 3 orange POMP Motor pump CHGR Heating group EAMAN Electromagnet of DK door EVRE EV filling EVSE EV hot water outlet EVSV EV steam outlet EVNK EV coffee cleaning EVKG EV left coffee EVP1 EV pre infusion 1 EVLCF Hot cold milk selection EVNR EV steam EV cleani...

Page 40: ... the machine It is simply a log of events in which the technician can leave a record of interventions carried out The consultation of the aid is for information purposes Softener Unic SA uses two softener suppliers BRITA and BESTMAx Have the hardness of the water tested in the mains and then refer to the technical documentation of the softener used to find the best settings Note a softener must be...

Page 41: ...del 0 standard STEP 1 CPU s identification Model 1 XL Visually Software without USB Key Before 28 xx xx After 28 xx xx Model 0 2 possibilities Model 0 or model 1 WARNING to avoid CPU s destruction you must be sure about CPU s identification ...

Page 42: ...u insert USB Key several possibilities Update CPU Update Display Import export parameters Import export data drinks STEP 3 Update CPU Follow process page n 46 STEP 4 Export import data drink if it s necessary The procedure does not change from previous versions 2 1 3 STEP 2 insert USB Key update display first After V35 15 XX 1 2 3 4 5 6 ...

Page 43: ...ocess model 0 When CPU model 1 is mounted instead model 0 follow process model 1 When CPU model 1 is already mounted in the machine process model will be lunch automatically After confirmation 1 1 2 2 3 3 1 4 4 2 5 5 3 6 6 4 STEP 3 Update CPU ...

Page 44: ... CN26 4 CN27 4 TG8030 COFFEEGROUNDSDRAWERSAFETYCABLE CN20 4 Low 1 1 TG8034 BIN BLENDER POWDER FAN CN24 12 Low TG8037 CABLE TRAP PIST COD SAFETY MOTOR CTRL CN8 4 Low 1 1 CN9 4 CN12 6 CN15 6 CN23 4 CN25 2 TG8039 STAT relay CONTROL HOT STEAM COFFEE CN29 6 Low 1 1 TG8043 CTRL Cable EVRE EVSE EVSV EVKG CN34 20 Low 1 1 TG8045 SV CABLE CAPPUCCINO LEFT CN35 6 Low 1 1 TG8049 CABLE CPU GRILLE EARTH Terre 1 ...

Page 45: ...45 ace Static relays ...

Page 46: ...EAM THERM BOILER CN20 SWITCH BAC A MARC SWITCH DRAWER CN21 TRANSFORMATEUR TOROIDAL TOROIDAL TRANSFORMER CN22 MOTEUR PLATEAU TURNTABLE MOTOR CN23 MOTEURS PISTONS PISTONS MOTORS CN29 RELAIS STATIQUES CHAUDIERE VAPEUR STATIC RELAY STEAM BOILER CN30 RELAIS STATIQUES CHAUDIERE CAFE STATIC RELAY COFFEE BOILER CN32 POMPE LAIT 2 MILK PUMP 2 CN34 ELECTROVANNES 24Vac 24Vac ELECTROVALVES CN35 ELECTROVANNES C...

Page 47: ...47 ace 01 17 505 CONNECTEURS CARTE MERE ACE MOTHERBOARD CONNECTORS CN44 CN34 CN36 CN20 CN22 CN6 CN8 CN2 CN12 CN32 CN43 CN47 CN41 CN35 CN21 CN17 CN7 CN9 CN3 CN15 CN23 CN29 CN5 CN14 CN4 CN30 ...

Page 48: ...BLE MOTOR FN8 10A V PISTON MOTEUR PISTON PISTON MOTOR FN9 5A 24V FN10 5A 12V 9V 5V 3 3V 43112 FUSIBLE 5 X 20 10A RETARDE T FUSE 10A DELAYED 43115 FUSIBLE 5 X 20 5A RETARDE T FUSE 5A DELAYED 5A EV AC1 A MODULE 24V EVRE EVSE EVSV EVNC EVNK EVNC EVA EVV 5A EV AC1 B MODULE SOLUBLE MT1 MT2 FAN SOL EVKD EVM1 EAED EVM2 MODULE CAFE DX EVKD EVM1 EAED EVM2 EVCD EVP2 EVLD EVS2 5A EV AC1 C MODULE 24V EVNKG EV...

Page 49: ...49 ace 01 17 506 FUSIBLES CARTE MERE ACE MOTHERBOARD FUSES FN4 FN5 FN6 FN3 FN10 FN9 FN7 FN1A FN1B FN1C FN1D FN8 FN2 ...

Page 50: ...Turntable set 41422 12 18 50 PLATINE CARTES ELECTRONIQUES PANEL ELECTRONIC CARDS AE 51 45943 AE 50 CN 628 CN 630 TG2061 CN 661 ED 133 TG2051 42400 ED 134 CN 124 CN 651 51053 45386 45381 45382 43800 43801 DO 195 PE 59 PG 14 ...

Page 51: ...elay 1 RSC2 Static coffee relay 2 RSC3 Static coffee relay 3 RSV1 Static steam relay 1 RSV2 Static steam relay 2 RSV3 Static steam relay 3 POMP Electric pump MAC1 Grinder no 1 purple MAC2 Grinder no 2 green MAC3 Grinder no 3 orange TEL Main switch SMAC1 Coffee safety no 1 SMAC2 Coffee safety no 2 SMAC3 Coffee safety no 3 SMAC4 Not used CHGR Heating element of the Group AUX1 3V3 5V 5V supply on lig...

Page 52: ... POMPA AUX1 CHGR FN7 Tray motor FN8 Piston motor SHK Heater element safety system coffee boiler SHG Heater element safety system group SHV Heater element safety system steam boiler VAR1 VAR2 SEA Water presence safety system SNK Plug safety system for the group cleaning circuit SMAN Manual door safety system KEY SPORT COD Encoder right cylinder COG Encoder left cylinder PPG Tray position to the lef...

Page 53: ...ng SV EVKG Left coffee SV EVP1 Pre infusion 1 SV EVA Air SV EVV Steam SV EVS1 EVAEG SV add water at coffee outlet left EVLG Latte from the LC outlet left SV EVCG Cappuccino from the LC outlet left SV EVNC Cappuccino cleaning SV EVAL1 Cold air SV EVNL1 Milk SV EVVL1 Hot air SV EVAL2 EVNL2 EVLL2 ...

Page 54: ...Right coffee SV EVAE D SV add water at coffee outlet right EVINF D Infusion D cleaning SV EVS2 EVC D Cappuccino from the LC outlet right SV EVL D Latte from the LC outlet right SV MM1 Mixer motor 1 MM2 Mixer motor 2 MT1 Bin 1 motor MT2 Bin 2 motor SFAN Soluble fan SMAN Manual door safety system SEA Water presence safety system SNK Plug safety system for the group cleaning circuit DO D Right volume...

Page 55: ...am SV EVDC DISCHARGE cleaning SV EVAE G SV add water at coffee outlet left EVL G Latte from the LC outlet left SV EVC G Cappuccino from the LC outlet left SV EVNC Cappuccino cleaning SV MAC 1 Grinder no 1 purple MAC 2 Grinder no 2 green MAC 3 Grinder no 3 orange POMP Pump motor SNL1 Milk level probe 1 SNL2 Milk level probe 2 EVALF2 Cold milk air 2 SV EVNL2 Milk cleaning 2 SV EVALC2 Hot milk air 2 ...

Page 56: ...ight piston Lowering Time out motor slow 11 2 Right piston Lowering Time out transmission 13 Communication error left screen 14 Communication error right screen 15 Decaffeinated trap safety system 16 FN1A Fuse broken 17 FN2 Fuse broken 18 FN3 Fuse broken 19 FN1B Fuse broken 20 FN8 Fuse broken 21 FN1C Fuse broken 22 FN1D Fuse broken 23 FN4 Fuse broken 24 FN6 Fuse broken 25 FN7 Fuse broken 26 Screen...

Page 57: ...ted 51 THK Coffee boiler thermostat probe short circuit 52 Left piston Over voltage during descent 57 Left piston Over voltage during expulsion 60 THV Steam boiler thermostat probe disconnected 61 THV Steam boiler thermostat probe short circuit 62 Right piston Over voltage during descent 66 Right piston Over voltage during expulsion 67 Volumetric meters reversed 70 THG Group thermostat probe disco...

Page 58: ... GRINDER MOULIN ROUGE RED GRINDER MOTEUR POMPE PUMP MOTOR CN41 MOULIN VERT GREEN GRINDER 200 V 230 V 240V 22V 19V 19V 22V 0 N 0 N MO MV MR N TR 200V 230V 240V SHG MICROSWITHES TIROIR A MARC DRAWER MICROSWITCHES TG8030 CN21 CN20 44710 T101 T201 T301 T401 L101 L201 L301 L401 T101 T201 T301 T401 L101 L201 L301 L401 Contacteur sécurité OPTO SHG 44710 T101 T201 T301 T401 L101 L201 L301 L401 T101 T201 T...

Page 59: ... Ref 46240 T Grd Vert Jaune Green Yellow T Grd Vert Jaune Green Yellow BRANCHEMENT BORNIER TERMINAL CONNECTING Gris Grey Noir Black Marron Brown N Bleu Blue 400 415 v 3 Ph N T Grd 50 60HZ R N S F E D C A B T R N T S F E D C A B R N S F E D C A B T N Ph1 Gris Grey Noir Black Marron Brown N Bleu Blue R N S F E D C A B T T S phase 1 phase 2 phase 3 Gris Grey Noir Black Marron Brown ST Bleu Blue ...

Page 60: ...S GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS GRIS NOIR NOIR VERT GREEN ROUGE RED NOIR BLACK 12v PBD COD CODEUR DROITE RIGHT ENCO...

Page 61: ...V AEG CN 34 TG8043 24v 24v 24v 24v 24v 24v ELECTROVANNE CAFE GAUCHE LEFT COFFEE ELECTROVALVE EV REMPLISSAGE CHAUDIERE BOILER FILLING EV EV NETTOYAGE GROUPES UNIT CLEANING EV EV EAU CHAUDE HOT WATER EV EV VAPEUR STEAM EV EV NR EV NETTOYAGE RINCAGE CLEANING RINSE EV EA MAN 24V ELECTRO AIMANT ELECTRO MAGNET 1 2 TG8035 CN25 EV AJOUT D EAU GAUCHE LEFT WATER ADDING EV EV LCF EV LAIT CHAUD FROID HOT COLD...

Page 62: ...w the 2 screws of the bottom of the front panel Hold the grille so it does not fall off Masse Câble USB Câble de liaison Remove the grille and disconnect the 3 connectors Connecteur ventilateur Unscrew the 4 screws and disconnect the fan connector Remove the support plate from the grille 1 2 3 4 5 Unscrew the 4 screws from the top of the grille 6 ...

Page 63: ...move the ears right and left Remove the rear cover using a screwdriver in the notches Installing the new screen Replace the cover with the fan on the new screen then proceed to assemble by repeating all previous operations in the reverse order 8 9 7 ...

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