Samsung GE89M-S Service Manual Download | Manualshive

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15

4. Troubleshooting

4. Troubleshooting

4-1 Parts checking method

Parts

Photo

Good

No Good

Fuse

0.1 ~ 1 Ω

100 MΩ exceed

T .C .O

0.1 ~ 1 Ω

100 MΩ exceed

H .V Trans

1 ~ 9 Ω

100 MΩ exceed

Convection

100 ~ 990 Ω

100 MΩ exceed

Fan Motor

10 ~ 99 Ω

100 MΩ exceed

Grill Heater

10 ~ 99 Ω

100 MΩ exceed

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Summary of Contents for GE89M-S

Page 1: ...cover for the more information 1 Precaution 2 Product Specification 3 Disassembly and Reassembly 4 Troubleshooting 5 Exploded Views and Part List 6 PCB Diagrams 7 Wiring Diagrams 8 Schematic Diagrams BASIC GE89M SX MODEL GE89M S MODEL CODE GE89M S XEC ...

Page 2: ...embly 12 3 4 Replacement of Drive Motor 13 3 5 Replacement of Control Circuit Board 14 4 Troubleshooting 15 4 1 Parts checking method 15 4 2 Error Code Numbering Rule 16 4 3 Error Code List 16 4 4 Electrical Malfunction 18 5 Exploded Views and Parts List 35 5 1 Exploded Views 35 5 2 Main Parts List 36 5 3 Door Parts List 38 5 4 Control Parts List 39 5 5 Standard Parts List 40 6 PCB Diagrams 41 6 1...

Page 3: ... 1 Precaution ...

Page 4: ...k Monitor Switch Replace all of the following at the same time Primary door sensing switch and power relay as well as the Interlock Monitor Switch The correct adjustment of these switches is described elsewhere in this manual Make sure that the fuse has the correct rating for the particular model being repaired 13 Design Alteration Warning Use exact replacement parts only i e only those that are s...

Page 5: ...ained within specified limits by close tolerance safety related components and adjustments If the high voltage exceeds the specified limits check each of the special components H V Diode Short H V Capacitor PRECAUTION There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the HIGH VOLTAGE TRANSFORMER secondary and filament terminals It is extremely dangerous to wor...

Page 6: ... AC 230V 50Hz AC Power consumption Microwave 1300W 1300W Grill 1100W 1100W Convection 2400W 2400W Output Power 100W 850W IEC 705 100W 850W IEC 705 Operating Frequency 2450MHz 2450MHz Cooling Method Cooling fan motor Cooling fan motor Dimensions W x H x D Outside 485 x 275 x 390mm 485 x 275 x 390mm Oven cavity 330 x 211 x 329mm 330 x 211 x 329mm Volume 23Liter 23Liter Weight Net 15 0Kg 15 0Kg Expor...

Page 7: ...ations 2 3 Accessory Item Description Code No Q ty Coupler DE67 00140A 1 Assy Guide Roller DE97 00193B 1 Tray cooking DE74 20102D 1 Assy Wire Rack DE97 00106A 1 Tray Broiler DE74 20114B 1 Bowl Water DE75 00049A 1 ...

Page 8: ... 1 Disconnect all lead wires from the magnetron and lamp 2 Remove a screw securing air cover 3 Remove the air cover 3 1 Disassembly of Magnetron Motor Assembly and Lamp Remove the magnetron including the shield case permanent magnet choke coils and capacitors all of which are contained in one assembly ...

Page 9: ...plaination Magnetron Motor Assembly and Lamp 4 Remove screws securing the magnetron to the wave guide 5 Take out the magnetron very carefully 6 Remove two screws from the back panel 7 Take out the fan motor 3 1 Disassembly of Magnetron Motor Assembly and Lamp ...

Page 10: ...not hit any adjacent parts or it may be damaged NOTE2 When replacing the magnetron be sure to remount the magnetron gasket in the correct position and make sure the gasket is in good condition 3 2 Replacement of High Voltage Trancefomer Parts Explaination Photo Explaination High Voltage Transformer 1 Discharge the high voltage capacitor 2 Disconnect all the leads 3 1 Disassembly of Magnetron Motor...

Page 11: ... and firmly PRECAUTION Servicemen should remove their watches whenever working close to or replacing the magnetron PRECAUTION There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the HIGHVOLTAGE TRANSFORMER secondary and filament terminals It is extremely dangerous to work on or near these circuits with the oven energized DO NOT measure the voltage in the high vo...

Page 12: ...into gap between Door A and Door C to remove Door C because it is fragile Then remove door assembly Removal of Door Assembly Lift up the Door Assembly from Cavity Removal of Door E Following the procedure as shown in the figure insert and bend a thin metal plate between Door E and Door A until you hear the tick sound Insertion depth of the thin metal plate should be 0 5mm or less Removal of Key Do...

Page 13: ...ve sharp edge after cover removal 3 Disconnect leads from motor 4 Remove the screws securing motor to bottom of over cavity Drive Motor 6 Lift out the motor 5 When replacing the motor be sure to remount it in the correct position NOTE The shaft of motor should fit tip coupler COVER FIXING SCREW MATCHINE SCREW 6006 001170 6 When reassemble a drive motor cover give a turn in a 180 and fix with a scr...

Page 14: ...rews securing the control box assembly 4 Remove the screw securing the ground tail of the keyboard Removal of Ass y P C B Assembly and Assy Key Module ASSY PCB ASSY PCB ASSY PCB ASSY CONTROL BOX ASSY KEY MODULE TAIL ASSY KEY MODULE TAIL SCREW SCREW KEY MODULE PCB KEY MODULE PCB SCREW SCREW 1 Remove 2 screws securing the Assy PCB 2 Remove Assy Key Module Tail from the Assy PCB 3 Lift up the Assy PC...

Page 15: ...g 4 1 Parts checking method Parts Photo Good No Good Fuse 0 1 1 Ω 100 MΩ exceed T C O 0 1 1 Ω 100 MΩ exceed H V Trans 1 9 Ω 100 MΩ exceed Convection 100 990 Ω 100 MΩ exceed Fan Motor 10 99 Ω 100 MΩ exceed Grill Heater 10 99 Ω 100 MΩ exceed ...

Page 16: ...age E 11 Open Check Sensor part connection of sensor housing and PCB s connector E 12 Short E 13 T1 Max Time Error E 14 Dry Up No Load Insert food and restart Temp Sensor Error Code Temp Sensor Error Case E 2X Solution Page E 21 Open Check sensor part and connection of sensor housing and PCB s connector E 22 Short E 23 T1 Max Time Error Preheating not completed Check heater E 24 Over temperature e...

Page 17: ...ling Error 3minutes Remove moisture from sensor and restart E 46 Primary Open Error 3minutes Check Sensor E 47 The door opens during cooking Cancel the present mode and restart from the begining Humidity Sensor Error Code Humidity Sensor Error Case E 6X Solution Page E 61 Open Check Sensor E 62 Short E 63 T1 Max Time Error Others Error Code Others E 0X Letter Solution Page SE Key Short Error 10 se...

Page 18: ... connected properly Does the voltage change as the humidity temperature and weight change Replace the sensor Check if the sensor wire is damaged if the housing is loose and if the sensor and the wire are properly connected Check if the voltage of the GND and sensor changes using a digital multi meter by forcefully changing the humidity temperature and weight Connect the sensor Connect the wire pro...

Page 19: ... related parts such as the connector or soldering parts are slightly shorted Remove the shorted part of the temperature sensor Remove any foreign Substance from the shorted part YES NO YES YES NO NO YES NO Sensor Short Error E 12 E 22 E 28 E 32 E2A E 2C E 42 or E 62 Is the sensor shorted The sensor is out of order Replace the sensor Perform the operation again and check if it is working properly S...

Page 20: ... on the sensor or is something acting as an obstacle in front of the sensor Does it heat with completely dried food Replace the sensor If the sensor is contaminated by a foreign substance it may fail to detect the humidity Since heating completely dried food may burn the food take care Insert food and heat it again Place food with moisture into it and heat it again Remove the an foreign substance ...

Page 21: ...again and check if it is working properly S W Error Is a specific key not recognized Is the key recognized intermittently The membrane is defective Replace the Control Panel Is the key not recognized at all After Power On does the symptom continue Replace the PCB membrane Connector 4 4 4 SE ...

Page 22: ...s the weight sensor contaminated by any foreign substance Replace the sensor Check if the turntable turns abnormally because food is placed on one side only or if it turns irregularly or if it is slanted and the weight sensor is not pressed Place the turntable over the roller properly YES Remove the foreign substance Place the food in the center Has the turntable been placed over the roller proper...

Page 23: ...oor S W and PCB and if it is opened or shorted intermittently Close the door Check the Door S W and the housing Was the door open during the operation Perform the operation again and check if it is working properly S W Error Is the door sensing part normal After Power On does the symptom continue Replace the PCB 4 4 6 E 36 or E 47 ...

Page 24: ... is maintained over 3V continuously during the initial cooking course using a multi meter Remove any moisture of the sensor Check the sensor terminal and housing Replace the sensor YES NO YES NO YES NO YES NO Cooling Error E 45 Is the sensor wet S W Error Replace the PCB After Power On does the symptom continue Perform the operation again and check if it is working properly sensor sensor terminal ...

Page 25: ...n Short 되었는가 YES NO NO EEPROM이 삽입 되었는가 S W 오동작 YES YES YES NO EEPROM Error E 51 E 53 or E 54 Has the EEPROM been inserted Is the EEPROM terminal opened or is there a short circuit EEPROM Defect Replace the EEPROM Does it work properly Perform the operation again and check if it is working properly S W Error After Power On does the symptom continue Replace the PCB EEPROM MICOM 4 4 8 E 51 E 53 or E ...

Page 26: ...curred Repair the short circuit Is the temperature of the PCB over 90 C An E 2b error occurred Insert the temperature sensor An E 0b error occurred Check the Motor drive part Is the Cooling Motor rotating The temperature sensor is out of order Replace the temperature sensor Perform the operation again and check if it is working properly S W Error After Power On does the symptom continue Replace th...

Page 27: ...eheating Error E 08 E 23 E 26 Is the heater temperature very low Is the temperature sensor connected properly Is the resistance between the heater terminals more then a few MΩ Check the heater related drive part Replace the heater Reconnect the temperature sensor properly Replace the heater Does the heater work S W Error After Power On does the symptom continue Replace the PCB Perform the operatio...

Page 28: ...cel key to cancel the current state Press the Cancel key to cancel the current state Is this happening during the MW operation Is it happening during the Grill operation Is it happening during the Convection operation Over Time is set Over Time is set Over Time is set Over Time is set Is it happening during the Combination operation Since the max time may differ depending on the model refer to the...

Page 29: ...20 degrees Has the oven internal temperature reached over 350 degrees Is the temperature sensor connectivity normal Is the Heater connectivity normal An E 09 error occurred An E 24 E 0A error occurred Reconnect the temperature sensor properly Check and repair the heater drive part if necessary S W Error After Power On does the symptom continue Replace the PCB Perform the operation again and check ...

Page 30: ...peration again and check if it is working properly Is the oven in MW mode Is the internal temperature over 200 degrees Is the sensor connectivity normal An E 25 error occurred Press the Cancel key Connect it properly and try again After Power On does the symptom continue Press the Cancel key to cancel the current state 4 4 15 E 25 ...

Page 31: ...ly Is the oven in Bake Toast mode Has the switch heater operated for 20 seconds Has the micro switch been detected After waiting for 20 seconds check if the micro switch has been detected The micro switch is defective Replace it Connect the micro switch properly After Power On does the symptom continue Is connectivity housing of the micro switch normal micro switch 4 4 16 E 06 ...

Page 32: ...duit normal NO NO Is Primary interlock switch normal Is Power Relay normal YES YES YES YES YES YES NO NO NO YES NO NO Replace switch Do check power supply circuit Do check Relay control circuit Is high voltage dioed normal Is high voltage dioed normal Is high voltage capacitor normal Is magnetron normal NO Is the IC01 output of PCB normal NO NO Checking high voltagecircuts NO NO 4 4 17 If oven mal...

Page 33: ...r to User Manual Menbrane type Tact type YES YES Buttons of the control panel do not work Inspection method Are button pressed in the correct order Is the connector of the control panel normal Replace PCB 4 4 18 If button malfunction ...

Page 34: ...O Is the latch switch operating normally Food is not heated even though an oven works Inspection method Method to control latch switch Checking high voltage circuits YES 4 4 19 If food is not heated even though an oven works ...

Page 35: ...31 M003 M001 M058 P186 M008 M007 M012 M006 P187 W006 H013 M036 M015 B018 B024 B006 B010 B011 H018 M023 M020 M204 M022 M017 B002 B001 M037 M035 M042 M039 M038 M049 M030 T033 T030 T007 T001 T017 M034 M040 M048 M047 M045 M005 M113 W002 M051 M155 X008 X020 M187 ...

Page 36: ...LTER MW840 SN UF11A 250V15A 1 SA M020 DE96 00031E ASSY MOTOR FAN M1733 SMF 3RDEA 230V50HZ 1 SNA M022 DE71 00148A COVER BLOWER MW850WA PP T1 5 NTR N 1 SNA M023 DE31 10184A MOTOR FAN SMF 3RDEA 230V50Hz 2400rpm 3rd 1 SA M030 DE47 20010A THERMOSTAT PW 2N 120 60 187Y 250V7 5A 12 1 SA CAV TCO M031 DE47 00002B THERMOSTAT PW2N 100 110 187H 3 1 SA GRL TCO M034 DE67 00140A COUPLER NC2000 0 6 0 8 PPS ESS840 ...

Page 37: ...890g 1 SA T007 DE74 20114B TRAY BROILER AL 0 8 350 1 SA T017 DE97 00193B ASSY GUIDE ROLLER NC2000 0 6 T2 P1198 14 1 SA T030 DE74 70071D RACK WIRE MSWR10 PI3 0 7 NC2000 D230 H85 1 SA T033 DE97 00106A ASSY WIRE RACK CE2713T CURSTY TRAY 1 SA W002 DE96 00406A ASSY WIRE HARNESS A GE87W GRILL 1 SA W006 DE39 40409A WIRE HARNESS E 230V50HZ M9G45 CTW 1 SNA X008 DE60 80042A SPACER RACK WIRE TEFRON L10 ID3 3...

Page 38: ... D007 DE61 00198A SPRING KEY M1877 HSWR PI0 7 D6 23 1 4 1 SA D011 DE64 00211A DOOR KEY NC2000 0 6 0 8 1 2 PP BLK 1 SA D019 DE64 02019A HANDLE DOOR GE89M B ABS SD0150 B 1 SNA D020 DE94 01775A ASSY HANDLE GE89M B XEF OGUN project 1 SA D024 DE64 02017A SCREEN DOOR B GE89M B GLASS T3 2 1 SA D037 DE94 01771E ASSY DOOR A MW89M S XEF ABS SILVER 0 8 O 1 SA D046 DE64 00284A DOOR CAP NC2000 0 7 NEW PP BLK T...

Page 39: ...SNA C009 DE64 02021A BUTTON CLOCK GE89M B ABS SD0150 BLAC 1 SA C011 DE94 01773J ASSY CONTROL PANEL GE89M S XEC SILVER AB 1 SA C035 DE64 02018K CONTROL PANEL GE89M SX XEF ABS V 1 SA C058 DE64 02020A BUTTON SELECT A GE89M B ABS SD0150 1 SA C082 DE64 02022A WINDOW DISPLAY GE89M B SAN CR5381 1 SNA C084 DE96 00726A ASSY KEY MODULE MW89M B XEF DKM OGUN 00 1 SA C107 RCS SM3L 108 ASSY PCB PARTS GE89MSTR X...

Page 40: ...EW TAPPING TH WT TC M4 L10 ZPC WHT 3 SNA N FILTER P CORD PCB GND 1 1 6006 001171 SCREW ASSY MACH WS PH M4 L8 NI PLT 1 SNA BKT HEATER 1 1 6006 001174 SCREW ASSY TAPP WE TH M4 L12 ZPC YEL 6 SNA B LATCH B PLATE C BLOWER CON BOX COVER AIR OUT PAN 1 1 6006 001176 SCREW ASSY TAPT WT PH M4 L8 ZPC YEL 2 SNA D MOTOR MGT TCO 1 1 DE60 30016A NUT FLANGE M4 MSWR10 1 SNA F MOTOR 1 3 6002 000234 SCREW TAPPING TH...

Page 41: ...ntrol Relay 6 CN01 A Terminal for Connecting with LVT A Terminal for Connecting with LVT and SMPS Power Supply 7 CN02 A Terminal for Connecting with Relay A Terminal for Connecting with Relay and SMPS Power Supply 8 CN03 A Terminal for Connecting with Connector A Terminal for Connecting with Connector and SMPS Power Supply 9 CN04 A Terminal for Connecting with T T LAMP A Terminal for Connecting wi...

Page 42: ... with Lamp T Table 6 NO PIN 7 INRUSH CIRCUIT OPTION CN03 1 KEY OUTPUT1 2 KEY OUTPUT2 3 KEY OUTPUT3 4 KEY OUTPUT4 5 KEY OUTPUT5 6 KEY OUTPUT6 7 KEY OUTPUT7 8 KEY OUTPUT8 9 KEY INPUT1 10 KEY INPUT2 11 KEY INPUT3 12 KEY INPUT4 13 KEY INPUT5 14 ENCODER COMMON ENCODER S W MODEL RY03 1 POWER RELAY CONTACT1 HVT POWER1 AC POWER NEUTAL AC220V 240V 2 POWER RELAY CONTACT2 HVT POWER2 RY08 1 GRILL HEATER RELAY...

Page 43: ... R T E N G A M E S U F V H D V H C V H D E R D N U O R G D E R D E R D E R D E R D E R W S I R P W S I N O M P M A L N A F R O T O M E V I R D R O T O M T H W G N L D R O C R E W O P D N U O R G E S I O N R E T L I F T G M O C T K L B K L B N R B D N U O R G N R G U L B N R B N R B N R B G R O T H W T H W T H W N R B Y R L L I R G Y T I V A C O C T L L I R G R E T A E H L L I R G O C T N R G U L B...

Page 44: ...s This Document can not be used without Samsung s authorization RED RED BRN BLK FA F HIGH VOLTAGE TRANSFORMER H V FUSE HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS MAGNETRON SYMBOL ORG RED RED BRN RED BLK COLOR ORANG BROWN RED BLACK ...

Page 45: ... 2 N 2 4 2 2 2 4 2 6 4 9 2 2 2 U 2 2 N 2 2 U 2 6 U 2 4 4 2 N 4 0 2 2 N U 0 N 2 U 3 4 8 Z N 2 3 7 6 2 6 2 3 3 3 3 0 0 U 2 2 P 6 04 3 7 6 2 4 3 6 2 M 2 P 6 6 6 2 2 2 4 G C L C U 30 6 A B C D E F 3 N 4 2 2 4 6 4 6 9 2 5 N 3 7 6 7 4 0 0 N 2 2 6 2 4 2 2 2 6 2 N 2 6 2 N 4 2 2 4 6 2 2 4 4 2 2 4 2 6 7 3 9 2 2 0 5 6 U 2 6 6 6 N 2 0 4 3 2 4 3 4 F E R 6 6 3 3 6 8 4 5 8 0 5 0 0 4 2 4 4 2 N 2 4 2 2 2 3 3 3 3 3...

Page 46: ...ungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com Samsung Electronics Co Ltd March 2008 Printed in Korea Code No DE68 04866A ...

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