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Summary of Contents for AX-1100

Page 1: ...TEST MODE CHAPTER 12 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE CHAPTER 13 MICROWAVE MEASUREMENT CHAPTER 14 CIRCUIT DIAGRAMS Parts List S0005AX11PHR T SERVICE MANUAL AX1100 R CONTENTS This document has been published to be used for after sales service only The contents are subject to change without notice TopPage MICROWAVE OVEN WITH STEAM AND GRILL AX 1100 IN AX 1100 R MODELS In the interests ...

Page 2: ...G ELEMENT TEST 9 4 13 M CONTROL UNIT TEST 9 4 14 N KEY UNIT MEMBRANE SWITCH TEST 9 5 CHAPTER 10 ERROR LIST 1 Error List 10 1 2 How to check in the event of an error 10 2 CHAPTER 11 TEST MODE CHAPTER 12 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 1 BEFORE OPERATING 12 1 2 OUTER CASE CABINET REMOVAL 12 1 3 HIGH VOLTAGE COMPONENTS RE MOVAL 12 2 4 HIGH VOLTAGE TRANSFORMER RE MOVAL 12 2 5 MAGNETRON ...

Page 3: ...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 any other visible damage with the oven Servicing and repair work must be carried out only by trained service engineers Removal of the outer wrap gives access to potentials above 250V All the parts marked on parts list may cause undue microwave exp...

Page 4: ...magnetron or other microwave generating devices if it is improperly used or connected All input and output microwave connections waveguides flanges and gaskets must 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 ...

Page 5: ...nect the leads to the primary of the high voltage transformer Ensure that these leadsre main isolated from other components and the oven chas sis Use insulation tape if necessary When the testing is completed carry out 3D checks and reconnectthe leads to the primary of the high voltage transformer Microwave ovens should not be run empty To test for the presence of microwave energy within a cavity ...

Page 6: ...AX1100 R 2 2 ...

Page 7: ...n with start button pressed etc will occur 3 Final error code is memorized in ROM control unit Refer to Error list EE code on page 10 1 4 When the intake damper motor is locked or wire leads to it are not connected cooking mode is stopped 1minute after starting cooking 5 3minutes after stopping cooking energy save mode will work and no segment is displayed PWB CONNECTOR Symptom CONTROL UNIT CN A T...

Page 8: ...g As the melting point of lead free solder Sn Ag Cu Sn Cu Ni 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 the bit To reduce wear ...

Page 9: ...Complement Manual cooking Automatic cooking Steam menus Auto grill menus Auto defrost menus PARTS SYMBOL VALUE DATA Fuse F1 20A 250V Fuse Noise filter F2 F8A Thermal cut out Magnetron TC1 145 C Off 20 C On Thermal cut out Oven TC2 170 C Off 20 C or 35 C On Thermal cut out Engine TC3 170 C Off 20 C or 35 C On Thermistor Engine TH1 Approx 200k at 25 C Approx 10k at 100 C Approx 1k at 200 C Thermisto...

Page 10: ...mbi Do not use for Steam and Microwave Always place on glass tray 20 Glass tray 21 Steam tray x2 For Steam only Always place above on glass tray Do not use for Microwave Grill and Combi NOTE Place the rack on glass tray as shown in Figure 1 WARNING The oven cavity door outer cabinet accessories and dishes will become very hot use thick dry oven gloves when removing the food or accessories from the...

Page 11: ... EXTEND Cooking time can be extended HOT The oven is very hot MORE More time adjustment is selected for automatic cooking LESS Less time adjustment is selected for automatic cooking DESCALE Descaling is necessary WATER Water is necessary When this indicator is appeared on the display the oven is operating in the menu using water Tray position indicators The position of the tray s for automatic coo...

Page 12: ...t use a damaged water tank 6 There may be a few water drops when removing the water tank Wipe the oven dry with a soft cloth 7 Do not block the air holes on the lid of the water tank It will cause trouble during cooking 2 DRIP TRAY Be sure to cook with drip tray in position and follow the directions below The drip tray is packed with the oven Place the drip tray under the oven door as shown in Fig...

Page 13: ...sed for descaling Choose one and prepare the des caling solution To use pure citric acid dissolve 1 tablespoon of pure citric acid crystals in 500ml of water in a non porous container Stir well and pour into the water tank to the MAX mark To use 100 bottled lemon juice check that there is absolutely no pulp in it If there is pulp or you are not sure strain through a fine strainer Mea sure 70ml of ...

Page 14: ...ATER TANK ENGINE UNIT ASSEMBLY PUMP MOTOR DRIP TRAY Water supply tube to the engine as sembly Inserting the water tank delivers water to the tank joint Turning the heater ON generates steam Dew condensation water in the oven cavity and the steam exhaust duct is discharged to the drip tray Activation of the pump delivers water to the engine through the tube ...

Page 15: ...r in the tank joint to the drip tray Remained water in the tube and the engine is not discharged even with the water tank removed Remained water in the tube is delivered to the engine Then the engine heating element turn ON so as evap orate remained water in the engine unit assembly Remained water in the tank joint and dew condensation water in the oven cavity and the steam exhaust duct are discha...

Page 16: ...ating element Intake damper motor Tube pump motor Fan motor Antenna motor Magnetron Grill heating element Engine heating element Intake damper motor Tube pump motor Fan motor Antenna motor Magnetron Grill heating element Engine heating element Intake damper motor Tube pump motor Fan motor Antenna motor Magnetron duty 10 Grill heating element Engine heating element Intake damper motor Tube pump mot...

Page 17: ...ed the contacts COM NO of the switch must be closed 2 When the oven door is opened the contacts COM NO of switch must be opened 4 INTAKE DAMPER SWITCH SW4 The intake damper switch is turned on and off by the air damper cam which is rotated by the intake damper motor 5 ANTENNA SWITCH SW5 The antenna switch is turned on and off by the shaft assembly which is rotated by the antenna motor 3 FUSE 1 FUS...

Page 18: ...is located on the top of the oven cavity 2 ENGINE UNIT ENGINE HEATING ELEMENT EH The engine unit is provided to generate the steam 8 MOTOR 1 ANTENNA MOTOR AM The antenna motor rotates the antenna located under the oven cavity 2 FAN MOTOR FM The fan motor drives a blade which draws external cool air This cool air is directed through the air vanes surrounding the magnetron and cools the magnetron Th...

Page 19: ...any of the possible causes of trouble will require that a specific test be performed These tests are given a procedure letter which will be found in the Test Procedure section IMPORTANT If the oven becomes inoperative because of a blown fuse F2 F8A in the monitored latch switch monitor switch circuit check the monitored latch switch and monitor switch before replacing the fuse F2 F8A ...

Page 20: ...supply cord is plugged into wall outlet Nothing appears in display when power supply cord is plugged into wall outlet and the door is open and closed Fuse 20A F1 blows when power supply cord is plugged into wall outlet Fuse 20A F2 blows when the door is opened Display does not operate properly when the stop key is pressed Oven lamp does not light when the door is opened Display operates Oven does ...

Page 21: ...mperature 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 and an ...

Page 22: ...he asymmetric rectifier is shorted in either direction then the asymmetric rectifier is faulty and must be replaced with high voltage rectifier When the asymmetric rectifier is defective check whether magnetron high voltage rectifier high voltage wire or filament winding of the high voltage transformer is shorted CARRY OUT 4R CHECKS NOTE FOR MEASUREMENT OF THE RESISTANCE OF THE RECTIFIER THE BATTE...

Page 23: ...OUT TEST CARRY OUT 3D CHECKS Disconnect the leads from the terminals of the thermal cut out Then using an ohmmeter make a continuity test across the two terminals as described in the below If incorrect readings are obtained replace the thermal cut out An open circuit thermal cut out MG TC1 indicates that the magnetron has overheated this may be due to resistricted ventilation cooling fan failure A...

Page 24: ...tester The insulation resistance should be more than 10M in the cold start If the results of above test 1 and or 2 are out of above specifications the heating element is probably faulty and should be replaced CARRY OUT 4R CHECKS 13 M CONTROL UNIT TEST The control unit consists of circuits including semiconductors such as LSI ICs etc Therefore unlike conventional microwave ovens proper mainte nance...

Page 25: ...ibbon cable is making good contact verify that the door sensing switch operates properly that is the contacts are closed when the door is closed and open when the door is open If the door sensing switch is good discon nect the flat ribbon cable that connects the key unit to the control unit and make sure the door sensing switch is closed either close the door or short the door sensing switch conne...

Page 26: ...g is stopped Only stop clear key is available Error display EE code Detail of error Error condition Application menu Check timing Note EE01 11 Grill thermistor error SHORT Grill thermistor is short Oven mode Immediately from heating start 12 Grill thermistor error OPEN Grill thermistor is open Fermentation mode Always from heating start EE05 15 Engine heater error Engine heater temperature is too ...

Page 27: ...nlet of the engine unit The 10 minutes 5VGCO KIJ EQQMKPI is finished For the last one 1 minute the pump motor does not run to evaporate dew in engine unit Open the door and drop water remaining in the oven cavity into the drip tray Then close the door Cast off accumlated water in the drip tray Ensure that the drip tray is empy and set it to the oven Remove the water tank from the oven Afte 20 seco...

Page 28: ...ove the water tank and press the START key The test mode 6 will be carried out and remained water in the engine unit assembly will be evaporated Normal termination Indication 11 11 YES NO YES NO EE01 Proceed to checking the thermistor grill for failure Press the START key Does a measured value for the thermistor grill change as oven heating proceeds Is the measured value within 10 bits with respec...

Page 29: ... or more at 500 VDC Dielectric strength 1000 V for one 1 minute Leakage current 0 3 mA or less Resistance in cold condition 58 0 to 62 9 The monitored interlock switch is in the door open position Is the engine thermal cut out normal Adjust the latch Replace the engine thermal cut outt Is the connectors between the thermistor Engine and wire harness disconnected or short circuited Connect repair t...

Page 30: ...OM data Address setup mode by pushing WEIGHT UP address is incresed 1 by pushing WEIGHT DOWN address is decresed 1 Reference address range is 00h to 1FFh by pushing info the figure of address number is chosen in turn by pushing START setup moves FLASH ROOM data edit mode Address 02 A means Address FLASH ROM data edit mode by pushing WEIGHT UP address is incresed 1 by pushing WEIGHT DOWN address is...

Page 31: ...SE RY 1 GH FM I DAMPER CLOSE Oven thermister error MICRO 100 RY 1 FM I DAMPER OPEN 08 Monitor mode Monitor key 60 times speed key and stage cancel key are available until power turn off OFF I DAMPER OPEN detail of test test name N o output example of display RY 1 EH FM I DAMPER OPEN OFF I DAMPER OPEN OFF I DAMPER OPEN Pump motor stop for 0 sec Flash EP_T6_TT to delete water by engine heating Flash...

Page 32: ... CHECK display appears test mode 06 starts by pushing START key Before pushing START key water tank should be removed Refer to test mode 06 You don t have open the door The detail of judgment test no 10 Display Error timing ETH OTH Antenna Damper 01 During microwave mode Not judged Not judged NG Not judged Antenna ERROR 0 11 After 18 sec from start Not judged Not judged Not judged NG Damper ERROR ...

Page 33: ...pply cord 2 Open the door and block it open 3 Discharge the high voltage capacitor and wait for 60 seconds 2 Don t let the wire leads touch to the following parts 1 High voltage parts Magnetron High voltage transformer High voltage capacitor and High voltage rectifier assembly 2 Hot parts Engine unit Grill heating element Oven lamp Magnetron High voltage transformer and Oven cavity 3 Sharp edge Bo...

Page 34: ...he mag netron antenna is not hit by any metal object around the antenna CAUTION WHEN REPLACING THE MAGNETRON BESURE THE R F GASKET IS IN PLACE AND THE MAGNETRON MOUNTING SCREWS ARE TIGHTENED SECURELY 6 ANTENNA MOTOR REPLACEMENT 1 REMOVAL 1 Disconnect the oven from the power supply 2 Wait for 60 seconds to discharge the high voltage capacitor 3 Remove the drip tray and the water tank 4 Turn the ove...

Page 35: ...Disconnect the wire leads from the intake damper motor and the intake damper switch 3 Remove the two 2 screws holding the support angle to the oven cavity top plate 4 Remove the two 2 screws holding the separate angle to the oven cavity top plate 5 Remove the separate angle 6 Remove the two 2 screws holding the air damper motor angle to the oven cavity right side 7 Remove the one 1 screw holding t...

Page 36: ...AKEDOWN OPERATION OF NEW ENGINE UNIT ASSEMBLY NOTE NOTE When the new engine unit is installed the thermistor engine and engine packing B should be reinstalled 13 SHAKEDOWN OPERATION OF NEW ENGINE UNIT ASSEMBLY After the new engine unit assembly is installed carry out the following three procedures to avoid the error operation 1 Remove the two 2 screws holding the back plate cover and remove the ba...

Page 37: ... assembly referring to chapter of CON TROL UNIT REMOVAL 3 Disconnect the ribbon cable of the membrane switch from the con nector CN G on the control unit 4 Tear away the key sheet from the control panel frame 5 Tear away the membrane switch from the control panel frame 2 REINSTALL 1 Remove remaining adhesive on the control panel frame surfaces with a soft cloth soaked in alcohol 2 Tear the backing...

Page 38: ...hould be placed where the monitored interlock switch and door sensing switch have activated with the door closed 4 Secure the screws with washers firmly 5 Make sure of the all switches operation If the latch head has not pushed the plungers of the monitor switch with door closed adjust the latch hook position At that time the latch head should have pushed the plungers of the monitored interlock sw...

Page 39: ...ease the spring from the tabs of the latch angle and latch lever 19 Now the spring is free 20 Remove each one 1 screw holding the latch head U and latch head L to the latch angle 21 Remove the latch angle from the latch head U and latch head L 22 Remove the latch head U and latch head L from the latch lever 23 Now the latch head U and latch head L are free 2 REINSTALLATION 1 Reinstall the latch he...

Page 40: ... abnormal and do not of themselves indicate a leakage of microwave energy from oven cavity Figure C 9 Door Replacement 22 INSTALLATION OF DOOR PACKING 1 Turn the door cover to the back side 2 First cover the four corners of the door cover opening with four cor ners of the door packing 3 Cover all surroundings of the door cover opening with the ditch of the door packing surely because the section o...

Page 41: ...AX1100 R 12 9 23 PLUMBING Engine unit assembly Hose bands Hose band Hose band Hose band Joint tube Tube Pump tube L Tank joint Water tube Tube pump assembly ...

Page 42: ...ormance 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 ...

Page 43: ...Manual CHAPTER 14 CIRCUIT DIAGRAMS 1 PICTORIAL DIAGRAM 1 CONTROL UNIT 2 4 6 8 10 12 CNB 1 3 5 7 9 11 RED ORG GRN YLW WHT BLK BRN GRY BLK 11 10 9 8 7 6 5 4 3 2 1 ORG BLK BRN BLU YLW WHT CNA BLK BLK BRN YLW RED BLK RED RED BRN BLU RED ...

Page 44: ...SFORMER WHT RED ORG BLU GRN RED WHT BRN BLU NOISE FILTER L TP F 8 A TL RED 20 A WHT N BLK RED BRN BLK BLK WHT GRY ORG WHT YLW G Y POWER SUPPLY CORD NEUTRAL LIVE EARTH WHT WHT GRY WHT BLK GRN GRN RED WHT ORG BRN WHT WHT WHT YLW WHT GRY RED GRY BLK GRN GRN GH Grill heating element Oven assembly TC2 Oven thermal cut out TC3 Engine thermal cut out TC1 Magnetron thermal cut out BLU Engine unit assembly...

Page 45: ...ormer MG THERMAL CUT OUT TC1 TC2 TC3 OVEN THERMAL CUT OUT ENGINE THERMAL CUT OUT PUMP MOTOR FAN MOTOR INTAKE DAMPER MOTOR VRS1 OVEN LAMP ANTENNA MOTOR GRILLHEATING ELEMENT 1100W GH C EH NOISE FILTER UNIT INTAKE DAMPER SWITCH DOOR SENSING SWITCH RY9 RY4 RY1 RY3 RY2 RY7 RY6 RY5 B9 B7 B1 B8 B10 B5 B12 B11 A5 A7 A1 A11 N C MONITOR SWITCH SW2 ANTENNA SWITCH A3 A9 L N F1 SPECIAL FUSE 20A 0 22u 250V NOIS...

Page 46: ...AX1100 R 14 4 3 CONTROL UNIT CIRCUIT ...

Page 47: ... AX 1100 IN AX 1100 R HOW TO ORDER REPLACEMENT PARTS To 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 PartsGuide 1 OVEN PARTS 2 DOOR AND CONTROL PANEL PARTS 3 ACCESSORY PARTS AND PACKING INDEX CONTENTS ...

Page 48: ...9 9 9 9 15 8 27 9 15 9 20 9 25 8 46 1 4 9 16 9 21 9 23 9 20 9 9 8 9 SW2 8 11 8 8 8 23 8 43 8 45 TC1 9 5 DM 9 19 SW4 9 20 9 9 9 9 1 3 9 6 9 6 9 22 9 22 8 21 8 29 7 3 8 39 8 31 8 34 8 42 8 12 8 13 9 25 9 25 8 20 8 40 9 9 9 9 9 3 9 22 9 9 9 26 9 22 7 4 T C PM 1 PM 4 PM 5 PM 2 PM 8 33 8 48 PM 3 SW5 7 1 9 10 9 9 9 27 1 4 9 3 8 49 9 9 9 8 8 50 9 3 9 9 9 9 1 2 1 2 9 9 8 28 9 9 7 2 8 44 8 53 9 12 9 14 9 1...

Page 49: ... SH Thermostat Engine thermal cut out Interchangeable TH1 FH HZA100WREZ AN Thermistor Engine TH2 FH HZA099WREZ AN Thermistor Grill 1 1 1 QFS CA024WRE0 AH F2 Fuse F8A 1 1 FPWBFA309WRE4 AT Noise Filter 1 2 QACCVA004URE3 AT Power Supply Cord 1 3 FH DZA135WRZZ AR HV Rectifier Assembly 1 4 FW VZC309WREZ BB Main Harness CABINET PARTS 7 1 GCABDA170WRWZ AV Back Plate 7 2 GCABUB219WRPZ BE Outer Case Cabine...

Page 50: ...king SCREWS WASHERS AND NUTS 9 1 XCBS730P08000 AB Screw 3mm x 35mm 9 2 XBTWW40P06000 AA Screw 4mm x 6mm 9 3 XCTS740P08000 AC Screw 4mm x 8mm 9 4 XBPS740P35000 AD Screw 4mm x 35mm 9 5 XCPS730P14000 AB Screw 3mm x 14mm 9 6 XHPS740P08K00 AB Screw 4mm x 8mm 9 7 XHBS730P08000 AC Screw 3mm x 8mm 9 8 XOTS740P08000 AA Screw 4mm x 8mm AX1100 IN 9 8 XOTS840P08000 AB Screw 4mm x 8mm AX1100 R 9 9 XOTS740P0800...

Page 51: ... AX1100 R 6 3 GWAKPB337WRFZ AV Door Frame 6 4 LANGTA525WRPZ AG Latch Lever 6 5 LANGTA527WRPZ AG Latch Angle 6 6 LSTPPA334WRFZ AG Latch Head L 6 7 LSTPPA335WRFZ AG Latch Head U 6 8 LSTPPA337WRFZ AF Glass Stopper 6 9 LX BZA216WREZ Special Screw 6 10 MSPRTA271WREZ AE Spring 6 11 PGLSPA838WREZ AQ Out Door Glass 6 12 PPAC A163WREZ AT Door Packing 6 13 GCOVHA553WRFZ AH Door Cover 6 14 LSTPPA336WRFZ AM D...

Page 52: ...ouch Guide 90 8 TINSEB287WRRZ AU Instruction Book 90 9 UAMI A172WRMZ AR Rack 90 10 FPADBA797WRKZ AK Bottom Pad Assembly 90 11 FPADBA798WRKZ AK Top Pad Assembly 90 12 SPADPA204WRE0 AC Door Protector 90 13 SPAKCF102WRRZ AX Packing Case AX1100 IN 90 13 SPAKCF103WRRZ AX Packing Case AX1100 R 90 15 TINSJA370WRRZ AH Information 90 16 SSAKHA114WREZ AE Wrap Cover 90 17 TINSMA036WRRZ AH Door Lever Caution ...

Page 53: ...US A276WREZ 1 8 33 AC PCUS A298WREZ 1 8 36 AF PCUSGA667WRPZ 1 8 48 AE PCUSGA820WRPZ 1 8 47 PDMP A004WRPZ 1 8 9 AG PDUC B197WRPZ 1 8 10 AL PDUC B201WRFZ 1 8 13 AH PDUC B203WRPZ 1 8 37 AH PFPF A316WREZ 1 8 38 AP PGID A109WRFZ 1 8 39 AF PGID A110WRFZ 1 8 40 AF PGIDMA023WRFZ 1 8 41 AH PGLSPA743WREZ 1 8 43 AG PGLSPA838WREZ 2 6 11 AQ PHOK A172WRFZ 1 8 4 AK PPAC A018WREZ 1 8 16 3 AC PPAC A090WREZ 1 8 53 ...

Page 54: ...000 2 6 16 AD XFPWW30P06K00 1 9 14 AC XHBS730P06000 1 9 28 AC XHBS730P08000 1 9 7 AC XHPS740P06K00 1 9 24 AC XHPS740P08000 1 9 23 AB XHPS740P08K00 1 9 6 AB 1 PM 4 AB XHPS740P12KS0 1 9 26 AD XHTS740P08RV0 1 9 20 AG XNES740 32000 1 9 12 AC XNEUW40 32000 1 9 13 AA XOTS740P06000 1 9 11 AA XOTS740P08000 1 9 8 AA 1 9 9 AA XOTS740P12RV0 1 9 10 AD XOTS840P08000 1 9 8 AB XOTWW40P08000 1 9 27 AB PARTS CODE ...

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Page 56: ...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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