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NN-GS597M
HPE(Hong Kong)
YPQ(Singapore)
MPQ(Malaysia)
TPE(Thailand, Indonesia)
YTE(Others)
KTE(UAE)
PTE(Iran)
KPQ(Kuwait, Doha, Qatar, Oman, Bahrein, Pakistan)
ZPE(CIS Countries)
© 2007 Panasonic Home Appliances Microwave
Oven (Shanghai) Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.PHAMOS0708040C3
Microwave Oven
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Table of Contents
Troubleshooting
Related Manuals for Panasonic NN-GS597M
Summary of Contents for Panasonic NN-GS597M
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Page 1: Microwave Oven
NN-GS597M HPE(Hong Kong) YPQ(Singapore) MPQ(Malaysia) TPE(Thailand, Indonesia) YTE(Others) KTE(UAE) PTE(Iran) KPQ(Kuwait, Doha, Qatar, Oman, Bahrein, Pakistan) ZPE(CIS Countries) © 2007 Panasonic Home Appliances Microwave Oven (Shanghai) Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. - Page 2 NN-GS597M...
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Page 4: Table Of Contents
NN-GS597M CONTENTS Page Page 1 FEATURE CHART 6.10. Stirrer motor 2 CONTROL PANEL 6.11. Heater DU (steam heater) 3 SCHEMATIC DIAGRAM 7 COMPONENT TEST PROCEDURE 4 DESCRIPTION OF OPERATING SEQUENCE 7.1. Primary latch switch Secondary Latch switch and power 4.1. Variable power cooking control relay RY3 4.2. -
Page 5: Feature Chart
NN-GS597M 1 FEATURE CHART 2 CONTROL PANEL... -
Page 6: Schematic Diagram
NN-GS597M 3 SCHEMATIC DIAGRAM... -
Page 7: Description Of Operating Sequence
NN-GS597M 4 DESCRIPTION OF OPERATING SEQUENCE 4.1. Variable power cooking 4.3. Steam defrost, Auto cook & control Steam reheat High Voltage Inverter Power Supply (U) controls output power When the Auto Control feature is selected and the [Start] by the signal from Digital Programmer Circuit (DPC). Power... -
Page 8: Combination Cook Control
NN-GS597M 4.6.2. Operation 4.5. Combination cook control IR sensor is mounted on top right of oven cavity through the Combination cooking is accomplished by microwave and grill hole. It scans all over cooking shelf. IR sensor has 8 eyes and cooking (upper heater) being done synchronously during one can read oven shelf left to right at the time. -
Page 9: Steam Function (Steam & Micro Power)
NN-GS597M 4.7. Steam function (Steam & Micro Power) 4.7.1. Water Supply Water will be pumped out into the evaporation tray and the heater located underneath will generate the steam in the cavity. 4.7.2. Operation When pressing [start] button, oven preheat will start and then water supply begins. It will take 1 minute for preheating. When preheat is completed, it will turn into actual cooking process. -
Page 10: Cautions To Be Observed When Troubleshooting
NN-GS597M 5 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING Unlike many other appliances, the microwave oven is a high voltage, high current device. It is free from danger in ordinary use, though extreme care should be taken during repair. CAUTION Servicemen should remove their watches and rings whenever working close to or replacing the magnetron. -
Page 11: Confirm Before Repair
NN-GS597M Discharging the high voltage capacitors Never insert a wire, nail or any other metal object through the lamp holes on the cavity or any holes or gaps, because such WARNING objects may work as an antenna and cause microwave There is high voltage present with high current capabilities leakage. -
Page 12: Disassembly And Parts Replacement Procedure
NN-GS597M 6 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 4. Remove 1 screw holding oven thermistor on cavity top CAUTION To prevent the water from invading the electric parts that can cause plate. a short circuit or electric shock: 5. Release lead wire harness from locking tabs on inverter 1. -
Page 13: Digital Programmer Circuit (D.p.c.) Du And Low Voltage Transformer
NN-GS597M 6.2. Digital programmer circuit 9. Remove 2 screws holding air guide B on magnetron & on base plate respectively, then remove air guide B. (D.P.C.) DU and low voltage transformer 1. Remove 5 screws holding board cover & D.P.C. board DU on the reinforce bracket A. -
Page 14: Digital Programmer Circuit (D.p.c) Au, (D.p.c.) Hu, Membrane Key Board And Power Relay
NN-GS597M 6.3. Digital programmer circuit NOTE: 1. The membrane key board is attached to the (D.P.C) AU, (D.P.C.) HU, escutcheon base with double faced adhesive tape. membrane key board and Therefore, applying hot air such as using a hair dryer is power relay recommended for smoother removal. -
Page 15: Inverter
NN-GS597M 6.5. H.V. Inverter 6.6. Upper heater 1. Discharge high voltage remaining in high voltage capacitor. 1. Disconnect lead wires from both sides of upper heater terminals. 2. Remove 2 screws holding reinforce bracket A on oven cavity. 2. Remove 1 screw holding heater support from the left side of microwave oven. -
Page 16: Door Assembly
NN-GS597M 6.7. Door assembly To remove door C and door A (U) • • • • Insert flat blade screwdriver to release hinge pin 1. Remove 3 screws holding right shield on the oven cavity. from left hinge. • • • • Release catch hooks between door C and door A, to detach the door C. -
Page 17: Pump
NN-GS597M 6.8. Pump 1. Remove water tank from escutcheon base. 2. Keep pressing [Steam Deforst] pad for more than 2 seconds to drain the water remaining in the water pipes and tubes into oven cavity. 3. Pull out tube A connecting to pump from copper pipe. -
Page 18: Ir Sensor
NN-GS597M 6.10. Stirrer motor 6.9. IR sensor 1. Remove the motor cover by breaking off at the 8 spots 1. Disconnect connector CN5 from D.P.C. board HU. indicated by arrows with a cutter or the like. 2. Remove 1 screw holding IR sensor (U) on right heater panel. -
Page 19: Heater Du (Steam Heater)
NN-GS597M 6.11. Heater DU (steam heater) 1. Remove water tank from escutcheon base. 2. Keep pressing [Steam Deforst] pad for more than 2 seconds to drain the water remaining in the water pipes and tubes into oven cavity. 3. Remove tubes from both ends of copper pipe. -
Page 20: Component Test Procedure
NN-GS597M 7 COMPONENT TEST PROCEDURE 7.3. Magnetron WARNING 1. High voltage is present at the output terminals of the High Voltage Inverter (U) including aluminum heat sink during any cook cycle. Continuity checks can only indicate an open filament or a 2. -
Page 21: Inverter Power Supply (U)
NN-GS597M 7.5. Inverter power supply (U) 5. Program oven at High power for 1 minute and press [Start] button. DO NOT try to REPAIR H.V. Inverter power supply (U). a. After approximately 3 seconds, oven stops operating. Replace complete H.V. Inverter(U) Unit. -
Page 22: Measurements And Adjustments
NN-GS597M 8 MEASUREMENTS AND ADJUSTMENTS 8.1. Adjustment of Primary latch 4. The Primary latch switch must be ON when the space between upper portion of door A and cavity front plate is switch, Secondary latch 2~4mm, if the door gap is greater than 4mm, the Primary switch and Short switch. -
Page 23: Troubleshooting Guide
NN-GS597M 9 TROUBLESHOOTING GUIDE DANGER: HIGH VOLTAGES 1. DO NOT RE-ADJUST PRESET CONTROL on the H.V.Inverter (U). It is very dangerous to repair or adjust without proper test equipment because this circuit generates very large current and high voltage. Operating a misaligned inverter circuit is dangerous. -
Page 24: Troubleshooting) Oven Stops Operation During Cooking
NN-GS597M 9.1. (Troubleshooting) Oven stops operation during cooking SYMPTOM CAUSE CORRECTIONS 1. Oven stops in 3 seconds after No input AC is supplied to H.V.Inverter (U) 1. Latch Switch pressing [Start] button. CN702 terminals 2. Power relay RY1 and/or RY2, RY3 3. -
Page 25: Troubleshooting) Other Problems
NN-GS597M 9.2. (Troubleshooting) Other problems SYMPTOM CAUSE CORRECTIONS 1. Oven is dead. 1. Open or loose lead wire harness Fuse is OK. 2. Open thermal cutout / thermistor Check fan motor if thermal cutout is defective. No display and no operation at all. -
Page 26: Troubleshooting Of Inverter Circuit (U) And Magnetron
NN-GS597M 9.3. Troubleshooting of inverter circuit (U) and magnetron This oven is programmed with a self diagnostics failure code system which will help for troubleshooting. H95, H97, H98 and H99 are the provided failure codes to indicate magnetron and inverter circuit problem areas. This section explains failure codes of H95, H97, H98 and H99. -
Page 27: Trouble Related To Digital Programmer Circuit
NN-GS597M 9.4. Trouble related to Digital Programmer Circuit SYMPTOM STEP CHECK RESULT CAUSE/CORRECTIONS No display when oven is first plugged Fuse pattern of D.P.C. Normal →Step2 Open Replace D.P.C. or Fuse Pattern Low voltage transforment (L.V.T.) Abnormal 0V L.V.T. secondary voltage →Step3... -
Page 28: How To Check The Semiconductors Using An Ohm Meter
NN-GS597M 9.6. How to check the semiconductors using an OHM meter 9.7. H.V. Inverter main parts list Ref. No. Part No. Part Name & Description Pcs/Set Remarks Q701 A691EM300BP IGBT Q702 IGBT C701 ECWF5184N300 FILM CAPACITOR C702 ECQE2505T869 FILM CAPACITOR... -
Page 29: Exploded View And Parts List
NN-GS597M 10 EXPLODED VIEW AND PARTS LIST 10.1. EXPLODED VIEW... -
Page 30: Parts List
NN-GS597M 10.2. PARTS LIST NOTE: 1. When ordering replacement part(s), please use part number(s) shown in this part list. Do not use description of the part. 2. Important safety notice: Components identified by mark have special characteristics important for safety. - Page 31 NN-GS597M Ref. No. Part No. Part Name & Description Pcs/Set Remarks J611E6E10HP HEATER (DU) EXCEPT YPQ,MPQ & KPQ J611E6E10MP HEATER (DU) YPQ,MPQ,KPQ F61457J70XP THERMAL CUTOUT F66268S80HPG THERMAL CUTOUT BRACKET F62447J70XPG LOWER COOLING PLATE F64607J70XP HEATER MOUNTING PLATE F01508G60HP NO TOUCHING LABEL...
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Page 32: Water Tank Assembly
NN-GS597M 10.3. WATER TANK ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks F060Q7J70HN WATER TANK (U) (WITHOUT TANK COVER) F061A7J70HN WATER TANK (BU) F06117J70XP TANK COVER F44247J70XP SEAL... -
Page 33: Escutcheon Base Assembly
NN-GS597M 10.4. ESCUTCHEON BASE ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L8S80HP D.P.CIRCUIT (AU) F603L8S80YP D.P.CIRCUIT (AU) F603L8S80MP D.P.CIRCUIT (AU) F603L8S80YT D.P.CIRCUIT (AU) F603L8S80TP D.P.CIRCUIT (AU) F603L8S80PT D.P.CIRCUIT (AU) KTE,PTE F603L8S80KP D.P.CIRCUIT (AU) F603L8S80ZP D.P.CIRCUIT (AU) F605S8S80XP D.P.CIRCUIT (HU) -
Page 34: Door Assembly
NN-GS597M 10.5. DOOR ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks F390L8S80SXP DOOR (U) WHOLE DOOR (INCLUDING DOOR C & SEAL) F302A8S80SXP DOOR B (U) F3044-1L40 DOOR ARM (RIGHT) F3085-1L40 DOOR C A3334-1L40 SEAL F3054-1L40 DOOR ARM (LEFT) -
Page 35: Packing And Accessories
NN-GS597M 10.7. PACKING AND ACCESSORIES Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00038S80HP INSTRUCTION MANUAL HPE,YPQ,MPQ,YTE,TPE F00038S80KP INSTRUCTION MANUAL KTE,PTE,KPQ F00038S80ZP INSTRUCTION MANUAL F01028S80HP PACKING CASE,PAPER HPE,YPQ,MPQ,YTE F01028S80TP PACKING CASE,PAPER F01028S80KT PACKING CASE,PAPER KTE,PTE F01028S80KP PACKING CASE,PAPER... -
Page 36: Digital Programmer Circuit
NN-GS597M 11 DIGITAL PROGRAMMER CIRCUIT 11.1. SCHEMATIC DIAGRAM... - Page 37 NN-GS597M...
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Page 38: Parts List
NN-GS597M 11.2. PARTS LIST Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ210 L0DDEA000014 BUZZER 2.0KHz AECEWG1C471B AL CHEM CAPACITOR 470µF/16V AECETK1H100B AL CHEM CAPACITOR 10µF/50V AECETS1C220B AL CHEM CAPACITOR 22µF/16V AECETK2W220B AL CHEM CAPACITOR 22µF/200V ECKN3A102KBP CERAMIC CAPACITOR...