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CHAPTER 1. BEFORE SERVICING

CHAPTER 2. WARNING TO SERVICE PERSONNEL

CHAPTER 3. PRECAUTIONS FOR USING LEAD-
FREE SOLDER

CHAPTER 4. PRODUCT DESCRIPTION

CHAPTER 5. OPERATION

CHAPTER 6. TEST PROCEDURE

CHAPTER 7. COMPONENT REPLACEMENT AND
ADJUSTMENT PROCEDURE

CHAPTER 8. MICROWAVE MEASUREMENT

CHAPTER 9. CIRCUIT DIAGRAMS

Parts List

S7908AX15PJS/

SERVICE MANUAL

AX1500J(S)

CONTENTS

This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

TopPage

SUPER STEAM OVEN

AX-1500J(S)

MODEL

In the interests of user-safety the oven should be restored to its original condition and only parts identical to those
specified should be used.

Convection Microwave

START

Clear

Stop

Содержание SUPERSTEAM AX-1500J

Страница 1: ...8 MICROWAVE MEASUREMENT CHAPTER 9 CIRCUIT DIAGRAMS Parts List S7908AX15PJS SERVICE MANUAL AX1500J S CONTENTS This document has been published to be used for after sales service only The contents are subject to change without notice TopPage SUPER STEAM OVEN AX 1500J S MODEL In the interests of user safety the oven should be restored to its original condition and only parts identical to those specif...

Страница 2: ...ROR LIST 6 4 7 How to check in the event of an error 6 5 8 Check and remedy in the event of mal function 6 9 9 TEST MODE 6 11 CHAPTER 7 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 1 WARNINGS 7 1 2 OUTER CASE REMOVAL 7 1 3 BACK PLATE REMOVAL 7 1 4 DOOR ASSEMBLY REPLACEMENT 7 2 5 DOOR COVER REMOVAL 7 2 6 DOOR ADJUSTMENT 7 2 7 DOOR SENSING SWITCH SECOND ARY INTERLOCK SWITCH AND MONI TOR SWITCH REP...

Страница 3: ... be secured Never operate the device without a microwave energy absorbing load attached Never look into an open waveguide or antenna while the device is energized 3 WARNING Never operate the oven until the following points are ensured A The door is tightly closed B The door brackets and hinges are not defective C The door packing is not damaged D The door is not deformed or warped E There is not a...

Страница 4: ...ect the power supply after the outer case has been removed in this event 1 Disconnect the power supply cord and then remove the outer case and the back plate assembly 2 Open the door and block it open 3 Wait for 60 seconds to discharge the high voltage capacitors of the inverter unit 4 Disconnect the high voltage wire from the magnetron terminal with insulated pliers 5 Make the terminal metal part...

Страница 5: ...out Before Servicing procedure and re examine the connections to the component being tested When all service work is completed and the oven is fully assembled the microwave power output should be checked and microwave leakage test should be carried out 4 Before replacing the Printed Wiring Board Some normal boards are found in board units that have been returned due to oven failure So most of boar...

Страница 6: ...is adjusted accordingly Soldering As the melting point of lead free solder Sn Ag Cu is higher and has poorer wet ability flow to prevent damage to the land of the PWB extreme care should be taken not to leave the bit in contact with the PWB for an extended period of time Remove the bit as soon as a good flow is achieved The high content of tin in lead free solder will cause premature corrosion of ...

Страница 7: ...A Steady 1 38KW Initial 6 1A Initial Convection 1 55KW 6 5A Microwave Power Output 800 W nominal of RF microwave energy IEC Test procedure 600 W nominal of RF microwave energy Steady Operating frequency 2450 MHz Convection Heating Element Output 1 45 KW Steam Heating Elements Output 1 25 KW 0 9KW 0 35KW Outside Dimensions Width 553mm Height 438mm Depth 483mm Weight Approx 24kg Control Complement H...

Страница 8: ... 12 Ceramic oven floor 13 Door hinges 14 Steam outlets 15 Drip tray lid 16 Drip tray 17 Oven cavity 18 See through door ACCESSORIES 19 Rack For SuperSteam Convection Convection and Steam Do not use when microwave cooking Always place on baking tray 20 Baking tray x2 For SuperSteam Convection Convection Steam and Descale function Do not use when microwave cooking 21 Steam basket For Steam You can a...

Страница 9: ...Press to clear during programming Press once to stop operation of oven during cooking Press twice to cancel cooking programme 4 Steam pad Press to select Steam cooking Steam has 2 options automatic cooking and manual cooking 5 Microwave pad Press to select Microwave cooking Microwave has 3 options auto defrost sensor reheat and manual cooking 6 START pad Press to start oven after setting programme...

Страница 10: ...ESERVOIR Water level sensor ENGINE UNIT ASSEMBLY TUBE PUMP Water level unit DEW TRAY Water supply tube to the engine as sembly Inserting the reservoir delivers water to the water level unit Turning the heater ON generates steam Dew condensation water in the oven cavity and the exhaust air duct is discharged to the dew tray Activation of the pump delivers water to the engine through the tube ...

Страница 11: ...water in the tube and the engine is not discharged even with the reservoir removed Remained water in the tube is delivered to the engine Then the engine heater turn ON so as evaporate remained water in the engine unit assembly Remained water in the water level unit and dew condensation water in the oven cavity and the exhaust air duct are discharged to the dew tray Make sure to remove the reservoi...

Страница 12: ...relay RY 8 are opened and the oven lamp is turned off NOTE Energy save mode 1 If the oven has not been used for 3 minutes or more the contacts of the relay RY 11 will be opened and the control unit will be not ener gized Open and close the door the control unit will resume 2 If the display shows different messages from ENERGY SAVE MODE this energy save mode does not work Signal Parts Heating modes...

Страница 13: ...t 3 Temperature of the water The initial temperature of the water is 10 1 C 4 Select the initial and final water temperature so that the maximum difference between the final water temperature and the ambient temperature is 5 C 5 Select stirring devices and measuring instruments in order to minimize addition or removal of heat 6 The graduation of the thermometer must be scaled by 0 1 C at minimum a...

Страница 14: ...apacitors of the inverter unit 4 Disconnect the high voltage wire from the magnetron terminal with insulated pliers 5 Make the terminal metal part of the high voltage wire contact to the magnetron body with insulated pliers 6 Now the capacitors of the inverter unit are discharged 7 Reconnect the high voltage wire to the magnetron terminal after discharging WARNING Use the pliers that the portions ...

Страница 15: ...ushed by a screw driver through the right latch hole on the front plate of the oven cavity with the door opened in this condition the plunger of the monitor switch is pushed in the meter should indicate an open circuit If improper operation is indicated the switch may be defective After testing the monitor switch reconnect the wire lead to the monitor switch COM terminal and check the continuity o...

Страница 16: ...super steam con vection Dew tray switch Immediately Remove water tank Water exist in the water tank Water exist in the water tank at drain mode Drain mode Water level sen sor After 1sec Water is frozen Please refer to instructions in operation manual Water tank is fro zen Engine heater tempera ture is too low Steam mode super steam con vection Oven thermister Immediately Fill water tank with water...

Страница 17: ...sensor connecting connector pulled out of the board Measure resistance of a set of the three 3 water level sensors with the sensor connecting connector pulled out of the board with the water tank filled with water Is the measured resistance value of the set infinite Is the measured resistance value of the set infinite Replace the control board or the display board Replace the control board or the ...

Страница 18: ...lose the door again Ensure that the drip tray is empty and set it to the main body After 20 seconds remove the drip tray and return accumulated water in the tray to the water tank Remove the water tank from the main body Confirm that water is flowing at the feed water inlet of the engine YES Is there breakage or clogging in the tube Stop the operation Normal Measure weight of the water tank Weight...

Страница 19: ...e test mode to 03 See How to set test mode on page 6 5 NO YES YES NO Measure the oven thermistor resistance using a tester with the thermistor connecting connector pulled out of the board The oven thermistor resistance is within its appropriate range Is the connector between the oven thermistor and board either disconnected or shorted Connect or repair the connector Replace the oven thermistor or ...

Страница 20: ... thermistor connector pulled out of the board Are there disconnection breakage and short circuit in the engine heater connections the engine terminals and board Is the engine heater normal to meet the following requirements Insulation resistance One 1 M or more at 500 VDC Dielectric strength 1000 V for one 1 minute Leakage current 0 3 mA or less Resistance in cold condition 15 05 to 16 21 Connect ...

Страница 21: ...een the terminals of each of the supersteam heater engine heater and convection heater Raeplace the engine unit assembly when the supersteam heater does not function Replace the engine unit assembly when the engine heater does not function Replace the convection heater when the convection heater does not function The supersteam heater does not function The engine heater does not function The conve...

Страница 22: ...oards M AC3 CN A and F FA and magnetron F and FA Function is normal Function is normal Function is not normal Function is not normal Is there a voltage of 230 240V between the primary terminal ends of the inverter unit Replace the control board Is there a voltage of about 0 4 0 5V DC between the inverter CN A pins 1 negative and 3 positive 1 2 Adjust the latch base angle Check the secondary interl...

Страница 23: ...ode NG more than 16bit 10 appears when AH sensor is defect or AH sensor level is more than 16bit And test mode doesn t continue DRAIN Water draining finished Judgment 16 bit Example Detection 9 bit The maximum value is displayed by the hexadecimal number more than 16 bit AH sensor is defect Passed AH judgment level is displayed AH level is displayed TEST10 10 Error display Judgement TEST10 01 00 F...

Страница 24: ...perate the oven if any of the following conditions exist 1 Door does not close firmly 2 Door hinge support or latch hook is damaged 3 The door gasket or seal is damaged 4 The door is bent or warped 5 There are defective parts in the door interlock system 6 There are defective parts in the microwave generating and transmission assembly 7 There is visible damage to the oven Do not operate the oven 1...

Страница 25: ...switch are operating properly Refer to chapter Test Procedure 2 An approved microwave survey meter should be used to assure compliance with proper microwave radiation emission limitation standards 5 DOOR COVER REMOVAL 1 Disconnect the power supply cord 2 Wait for 60 seconds to discharge the high voltage capacitors of the inverter unit 3 Put a putty knife thickness of about 0 5mm into the gap betwe...

Страница 26: ...0 seconds to discharge the high voltage capacitor of the inverter unit 5 Disconnect the wire leads from the switch 6 Keep extending the two stopper tabs holding the switch to the latch base angle and revolve the switch on the pole 7 Remove the switch from the latch base angle 8 Now the switch is free 2 REINSTALLATION 1 Reinstall the switch in its place The door sensing switch is in the upper posit...

Страница 27: ...e assembly the right hinge assembly and the front plate of the oven 12 Take the snap bands tying the harnesses out of the hole of the bot tom plate 13 Lift the bottom plate assembly to remove it from the oven body NOTE In order to prevent the fan duct covering around the mag netron terminal from hitting the terminal slightly shift the bottom plate assembly toward the left hinge assembly and then l...

Страница 28: ... four 4 screws holding the side angle 9 Remove the side angle 10 Remove the two 2 screws holding the latch base angle 11 Remove the latch base angle 12 Remove the tube pump assembly referring to TUBE PUMP ASSEMBLY REMOVAL However the tube pump assembly does not need to remove from the tank cover 13 Remove the two 2 screws holding the DC fan motor to the heat cover right assembly 13 CONVECTION UNIT...

Страница 29: ...AGNETRON BE SURE THE R F GASKET IS IN PLACE AND THE MAGNETRON MOUNTING SCREWS ARE TIGHTENED SECURELY 15 SIROCCO MOTOR REMOVAL 1 Disconnect the power supply cord 2 Wait for 60 seconds to discharge the high voltage capacitors of the inverter unit 3 Remove the outer case cabinet referring to OUTER CASE REMOVAL 4 Remove the one 1 screw fixing the sirocco motor to the steam duct ORG 5 Hold the left end...

Страница 30: ...re 2 After inserting the moulding cord stopper slide it to the right side 3 Install the earth wire lead of the power supply cord to the bottom plate with the one 1 nut And tight the nut 4 Connect the wire leads of the power supply cord to the noise filter unit correctly referring to CIRCUIT DIAGRAMS 5 Reinstall the filter cover to the bottom plate with the one 1 screw 6 Hold the filter cover to th...

Страница 31: ...rmance standard for microwave ovens must be used for testing Recommended instruments are NARDA 8100 NARDA 8200 HOLADAY HI 1500 SIMPSON 380M 2 Place the oven tray into the oven cavity 3 Place the load of 275 15ml of water initially at 20 5 C in the centre of the oven tray The water container should be a low form of 600 ml beaker with inside diameter of approx 8 5cm and made of an electrically non c...

Страница 32: ...5A FUSE1 D2 D8 D7 D9 D6 JP29 JP39 1 1 19 20 D71 D70 2 JP40 JP37 CNB RY3 RY2 RY1 JP36 JP35 JP31 R96 R97 RY4 BLU BLU RED RED RED BRN BRN BRN WHT GRY RED GRY WHT RY3 RY2 RY1 R5 R4 RY11 RY6 RY7 RY8 C11 RY9 RY5 RY10 RY4 2 4 6 8 10 12 CND CNB BLK RED BLK RED BLK RED GRY RED BLK RED WHT BLK BLK WHT RED GRN BRN BLU ORG WHT YLW BLK or ORG WHT GRY WHT GRY WHT GRY 1 3 5 7 9 11 BLK RED ORG BRN BLK 1 2 3 4 5 6...

Страница 33: ... A6 H1 H3 RY3 RY5 RY4 RY2 RY8 RY7 RY6 RY10 CR10 POWER SAVING RELAY CR6 CR7 CR8 RY11 RY1 DOOR SENSING SWITCH THERMISTOR OVEN THERMISTOR ENGINE DEW TRAY SWITCH WATER SENSOR FAN MOTOR PUMP MOTOR CONVECTION MOTOR ANTENNA MOTOR OVEN LAMP MONITOR SWITCH MAGNETRON VENTILATION FAN AH SENSOR INVERTER UNIT T C TRANSFORMER PRIMARY INTERLOCK RELAY CONTROL UNIT SUPER STEAM HEATER 350W CONVECTION HEATER 1450W E...

Страница 34: ...13 H1 H2 D121 UX F5B C121 4800p 3100V D120 UX F5B C120 3000p 2800V R120 120M PD100 1 2 3 4 F FA 39K Q110 CN A 1 2W100K 2 1 2W130K R110 R114 R115 T110 CT100 3 6kF 1 4W R101 BLUE RED PWM VS 3 2 1 F FA R116 1 2W47K 4 11 9 8 3 10 2 1 4 5 6 7 A063DR 15A TH111 J101 1 10W200 ZD10 R10 R117 1 4W240J RD5 1ESAB1 1 2W1 2K HIC1 R109 1 2W130K R112 R111 R119 ZD110 ZJ27B ...

Страница 35: ...X1500J S 9 4 4 CONTROL UNIT CIRCUIT 620K 75KD 150KF 300KF 37 4KD 3 57KD 10K 360KF 1 8KF 1W 160 10K 3 32KD 10K 10K HZ12B1 1 4W 2 2K 1 2W 1 6K KTC3198Y 1 2W 1 6K 50V 10u 1W 160 50V 0 1u 50V 0 1u 10K AS358M ...

Страница 36: ...AX1500J S 9 5 5 DISPLAY UNIT CIRCUIT 10K C55 1uF 25V RT1 8 5 6 4 7 3 2 1 TH1 TH2 18V BLUE ...

Страница 37: ...AX1500J S 9 6 ...

Страница 38: ...o have your order filled promptly and correctly please furnish the following information 1 MODEL NUMBER 2 REF NO 3 PART NO 4 DESCRIPTION Parts marked may cause undue microwave exposure Parts marked are used in voltage more than 250V SUPER STEAM OVEN MODEL AX 1500J S PartsGuide 1 OVEN PARTS 2 CABINET PARTS 3 DOOR PARTS 4 ACCESSORY PARTS AND PACKING 5 OTHER PARTS INDEX CONTENTS ...

Страница 39: ...38 8 132 8 53 8 50 8 70 8 34 8 22 8 107 8 28 8 28 1 8 84 8 35 1 21 1 21 1 1 21 3 1 21 2 9 2 9 7 1 28 9 18 9 17 9 15 9 12 9 14 9 2 9 20 9 20 9 21 9 14 9 15 8 49 8 45 8 48 8 47 9 15 9 16 9 15 9 19 8 39 8 153 8 15 8 40 8 46 8 43 9 33 9 2 9 2 9 2 9 2 8 86 8 78 8 55 8 149 8 44 8 43 8 51 8 51 8 3 9 46 8 80 8 81 9 13 9 33 9 33 8 72 8 41 8 42 8 74 8 104 9 2 9 2 9 16 9 9 1 30 8 123 8 148 8 77 8 85 1 17 1 1...

Страница 40: ...r mount angle 8 22 FSLDHA075WRYZ AT Heat cover R assembly 8 23 MLEVPA291WRFZ AG Switch lever 8 24 PPAC A127WREZ AB Steam duct packing S 8 25 PPAC A113WREZ AC Steam duct packing L 8 26 PDUC B139WRFZ AN Steam duct ORG 8 27 PDUC B132WRFZ AG Fan nozzle R 8 28 FTNK A022WRKZ AZ Tank assembly Reservoir 8 28 1 PCOVPA525WRFZ AF Tank lid Reservoir lid 8 32 MJNTPA014WRFZ AF WL joint 8 33 MSPRPA106WREZ AF Tan...

Страница 41: ...PB361WREZ AF Insulator sheet SCREW WASHER AND NUT 9 2 XOTS740P08000 AA Screw 4mm x 8mm 9 4 XEBS730P10000 AA Screw 3mm x 10mm 9 6 XHPS740P08K00 AB Screw 4mm x 8mm 9 7 XETS740P08000 AA Screw 4mm x 8mm 9 9 XCPS740P20000 AK Screw 4mm x 20mm 9 11 XETS740P10000 AA Screw 4mm x 10mm 9 12 XNEUW40 32000 AA Nut 9 13 LX NZA002WRE0 AC Nut 9 14 XOTWW40P06000 AC Screw 4mm x 6mm 9 15 XOTWW40P08000 AB Screw 4mm x ...

Страница 42: ... 9 46 8 60 9 2 1 20 8 31 8 30 9 8 1 9 8 7 1 11 1 8 8 63 8 95 8 95 8 77 8 65 8 72 8 89 8 6 8 79 8 79 8 11 8 10 9 32 8 12 8 19 8 29 8 5 8 61 8 115 8 9 8 4 8 58 8 20 8 151 8 127 8 152 8 127 8 8 8 59 8 98 8 135 8 75 7 2 8 62 7 3 1 7 9 5 9 5 9 27 1 8 9 24 9 3 9 5 9 34 9 34 9 32 9 34 9 34 9 36 9 37 8 112 1 10 9 46 9 1 1 6 8 120 8 69 8 68 8 136 8 136 ...

Страница 43: ...EZ AK Door spring R 8 61 MSPRTA259WREZ AK Door spring L 8 62 PCOV A109WRPZ AH Filter cover 8 63 PCOV A155WRFZ AT Exhaust cover 8 65 PCUS A204WREZ AC Cushion 8 66 PCUS A205WREZ AC Cushion 8 67 PCUS A206WREZ AC Cushion 8 68 MLEVPA285WRFZ AB Lever 8 69 MSPRCA177WREZ AC Dew tray spring 8 72 PCUS A212WREZ AC Cushion 8 75 TCAUHA344WRRZ AF Micro caution 8 77 PCUS A217WREZ AC Cushion 8 79 PCUS A223WREZ AB...

Страница 44: ...AA479WRTZ AW Frame dec upper 6 11 HDECAA447WRPZ AK Panel dec upper 6 12 HDECAA455WRPZ AR Door dec right 6 13 HDECAA456WRRZ AT Door dec left 6 14 HDECQA407WRPZ AM Encoder base 6 15 LHLD A334WRFZ AF Button support 6 16 JBTN B545WRRZ AG Info button 6 17 JHNDPA328WREZ AH Handle 6 18 LANGKB452WRWZ AP Door support angle 6 19 HDECAA504WRPZ AL Panel dec right S 6 20 LSTPPA294WRFZ AR Glass stopper upper 6 ...

Страница 45: ...6 31 XEBS730P12000 AB Screw 3mm x 12mm 6 32 XEPS740P10000 AA Tapping screw 4mm x 10mm 6 35 XETS740P10000 AA Tapping screw 4mm x 10mm 6 36 XUTS740P16KS0 AD Screw 4mm x 16mm 6 37 XHPS740P08000 AB Screw 4mm x 8mm 8 105 TCAUSA016WRRZ AH High temp caution 8 115 PCUS A240WREZ AC Cushion 3 DOOR PARTS Not replaceable items 90 4 90 7 90 15 90 6 90 12 90 9 90 1 90 20 90 2 90 17 90 3 90 19 90 18 90 13 90 14 ...

Страница 46: ...9 UAMI A165WRTZ BQ Rack 90 10 FPADBA718WRKZ AM Top pad assembly 90 11 FPADBA719WRKZ AN Bottom pad assembly 90 12 SSAKHA087WREZ AE Wrap cover 90 13 SPAKCE816WREZ AX Packing case 90 14 SSAKHA032WRE0 AK Wrap cover 90 15 TINS A779WRRZ AN Operation manual 90 16 PGIDMA021WRFZ AY Guide 90 17 FPADBA743WRKZ AD Pad A assembly 90 18 SPADBB717WREZ AD Pad B 90 19 SPADBB718WREZ AF Pad C 90 20 TINSJA364WRRZ AL I...

Страница 47: ...NGQA792WRPZ 1 8 55 AG LBND A033WREZ 1 8 131 AC LBND A047WREZ 1 8 132 AF LBNDKA166WREZ 2 8 56 AD LBNDKA180WRPZ 1 8 43 AE LHLD A334WRFZ 3 6 15 AF LHLDPA006WRFZ 2 8 7 AL LHLDWA013WRE0 5 8 57 AC LSTPPA294WRFZ 3 6 20 AR LX BZA138WREZ 2 9 3 AB LX BZA144WREZ 1 9 45 AB LX BZA148WREZ 2 9 34 AC LX BZA171WREZ 1 9 40 AA LX BZA202WREZ 1 9 43 AE LX CZ0052WRE0 1 9 46 AA 2 9 46 AA LX CZA084WREZ 1 9 41 AB LX CZA08...

Страница 48: ...RTHM A116WRE0 1 1 5 AK RTHM A123WRZZ 1 1 30 AK RTHM A132WRZZ 1 1 5 AM RTHM A137WRZZ 1 1 30 AH RTHM A144WRZZ 1 1 3 AF RTHM A148WRZZ 1 1 5 AH RTHM A149WRZZ 1 1 3 AK RTRNPA170DRZZ 2 1 14 AY RV MZA366WRZZ 1 1 27 BB S SPADBA371WRE0 4 90 21 AG SPADBB717WREZ 4 90 18 AD SPADBB718WREZ 4 90 19 AF SPADFA659WREZ 4 90 3 AK SPAKCE816WREZ 4 90 13 AX SSAKA0034WRE0 4 90 4 AD SSAKHA032WRE0 4 90 14 AK SSAKHA087WREZ ...

Страница 49: ... ALL RIGHTS RESERVED No part of this publication may be reproduced stored in retrieval systems or transmitted in any form or by any means electronic mechanical photocopying re cording or other wise without prior written permission of the publisher ...

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