Samsung CM1069A Service Manual Download | Manualshive

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9

4. Troubleshooting

NO

NO

NO

YES

YES

YES

YES

NO

An “E-25” error occurred.

S/W Error

Replace the PCB.

Perform the operation 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.

4-3-15 Initial Temperature Error (at MW mode)

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Summary of Contents for CM1069A

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 CM1069 MODEL CM1069A MODEL CODE CM1069A XEU ...

Page 2: ...placement of Door Assembly 12 3 5 Replacement of Fuse 12 3 6 Replacement of Drive Motor 12 3 7 Replacement of Control Circuit Board 14 4 Troubleshooting 15 4 1 Error Code Numbering Rule 15 4 2 Error Code List 15 4 3 Electrical Malfunction 17 5 Exploded Views and Parts List 34 5 1 Exploded Views 34 5 2 Main Parts List 35 5 3 Door Parts List 36 5 4 Control Parts List 37 5 5 Standard Parts List 38 6 ...

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: ...z Power consumption Microwave 1600W 7A 1600W 7A Output Power 230V 1050W IEC 705 4 Power Levels including defrost 230V 1050W IEC 705 4 Power Levels including defrost Operating Frequency 2450MHz 2450MHz Cooling Method Cooling fan motor Cooling fan motor Dimensions W x H x D Outside 517 x 297 x 412mm 517 x 297 x 412mm Oven cavity 336 x 225 x 349mm 336 x 225 x 349mm Volume 26Liter 26Liter Weight Net 1...

Page 7: ...Lamp 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 8: ...nation M a g n e t r o n 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 9: ...ot 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 10: ... 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 11: ...y Removal of Door C Door C Insert flat screwdriver into the gap between Door A and Door C Be careful when handing Door C because it is fragile Then remove the door assembly 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...

Page 12: ...wave energy may leak from the space between the door and oven 3 Do the microwave leakage test 3 5 Replacement of Fuse 1 Disconnect the oven from the power source 2 When 12A fuse blows out by the operation of interlock monitor switch failure replace the primary interlock switch door sensing switch monitor switch and power relay 3 When the above three switches operate properly check if any other par...

Page 13: ...placing 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 screw NOTE Bring the spare screw from service center 3 6 Replacement of Drive Motor ...

Page 14: ...electric charge in your body and never touch the control circuit 2 Disconnect the connectors from the control circuit board 3 Remove screws securing the control box assembly 4 Remove the screw securing the ground tail of the keyboard Removal of Ass y P C B Assembly ASSY PCB SCREWS 1 Remove screws securing the control circuit board 2 Lift up the control circuit board from the Ass y control box ...

Page 15: ...Open Check Sensor part connection of sensor housing and PCB s connector 17 Page E 12 Short 18 Page E 13 T1 Max Time Error 19 Page 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 17 Page E 22 Short 18 Page E 23 T1 Max Time Error Preheating not completed Check...

Page 16: ...ror 19 Page E 44 Dry Up Insert food and restart 19 Page E 45 Cooling Error 3minutes Remove moisture from sensor and restart 23 Page E 46 Primary Open Error 3minutes Check Sensor 17 Page E 47 The door opens during cooking Cancel the present mode and restart from the begining 22 Page Humidity Sensor Error Code Humidity Sensor Error Case E 6X Solution Page E 61 Open Check Sensor 17 Page E 62 Short 18...

Page 17: ...nnected Is the sensor wire 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 s...

Page 18: ...e and weight Check if the sensor and 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 E 12 E 22 E 28 E 32 E2A E 2C E 42 or E 62 is displayed Is the sensor shorted The sensor is out of order Replace the sensor Perform the operation again and che...

Page 19: ... 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 or ...

Page 20: ...n 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 4 3 4 Key Short Error ...

Page 21: ...e 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 properly 4...

Page 22: ...s 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 3 6 Door Open Error PH Sensor Weight Sensor ...

Page 23: ...erminal 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 E 45 is displayed 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 4 3 7 Cooling Err...

Page 24: ...M 단자가 Open Short 되었는가 YES NO NO EEPROM이 삽입 되었는가 S W 오동작 YES YES YES NO E 51 E 53 or E 54 is displayed 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 4 3 8 EEPROM Error ...

Page 25: ...he 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 the PCB 4 3 11 Co...

Page 26: ... YES NO YES NO E 23 E 26 is displayed 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 ...

Page 27: ...l 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 IB For example ...

Page 28: ...ees Has the oven internal temperature reached over 350 degrees Is the temperature sensor connectivity normal Is the temperature sensor 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 c...

Page 29: ...f 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 3 15 Initial Temperature Error at MW mode ...

Page 30: ...he 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 4 3 16 Swing Heater Detection Error ...

Page 31: ...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 3 17 If oven mal...

Page 32: ...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 3 18 If button malfunction ...

Page 33: ...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 3 19 If food is not heated even though an oven works ...

Page 34: ...s List 5 1 Exploded Views M001 M049 M051 T036 M002 M037 M015 M017 M029 M035 M036 P001 T002 T108 M019 M057 M052 B017 B026 B011 B010 B018 B006 B001 B001 B002 P109 M020 M023 H018 M039 M040 M041 M042 M045 M155 M047 M047 M048 M038 W002 ...

Page 35: ... BODY LATCH AMC6158 JMC9158 MAYTAG1 1 SA 1 2 B002 3405 001032 SWITCH MICRO 125 250VAC 16A 200GF SPDT 1 SA BODY LATCH 1 2 B001 3405 001034 SWITCH MICRO 125 250VAC 16A 200GF SPST N 1 SA Body Latch 1 2 B010 DE66 00093A LEVER SWITCH A NC2000 PP TH53 NTR HA 1 SA 1 2 B011 DE66 00094A LEVER SWITCH B NC2000 PP TH53 N 1 SA 1 2 B017 DE66 00117D LATCH STOPPER AMC6158 JMC9158 PP B 1 SA LATCH UPPER 1 2 B026 DE...

Page 36: ...HT SHV 745CC1 SSEC T2 3 26 1 SA 1 2 D010 DE61 80003A HINGE LOWER WHT TN 5630T SSEC T2 3 26 77 1 SA 1 2 D006 DE64 40012A DOOR C RESIN PP TB53 BLACK CE94 1 SA 1 2 D004 DE92 50127H ASSY DOOR E COATING BLACK T0 8 1 SA 1 2 D015 DE94 01532A ASSY DOOR SUB CM1069 SUS INVERTER 1 SA 1 3 D019 DE64 00076C HANDLE CMO EUROPE CK99FS ZN DIE CASTING 1 SA 1 3 D026 DE64 00077A HANDLE COVER CK99FS PC 1 SA 1 3 D068 DE...

Page 37: ...XEU 1 SNA 1 2 C079 DE94 00393K ASSY CONTROL SUB 240V 50HZ CM1069 XEU 1 SA 1 3 C004 DE34 00097C SWITCH MEMBRANE CM1069 XEU W83 4 L201 1 SA 1 3 C009 DE67 40179A WINDOW DISPLAY SAN T2 0 SMOG 3RD W 1 SA 1 3 C005 DE72 00101A CONTROL PANEL CM1030M ABS D GRAY 1 SA 1 3 C133 DE80 00017A CHASSIS PANEL CM1030M STS 1 SA 1 2 C003 RCS CM1020B 01 ASSY PCB PARTS CM1049 230V50Hz 1 SA C079 C082 C003 C004 C009 C133 ...

Page 38: ...VE MOTOR 1 1 DE60 10080A SCREW WASHER M5 L12 2S 2 SA MGT 1 1 DE60 10082I SCREW A 2S 4X10 FEFZY 7 SNA TCO 1 1 DE60 10199A SCREW WASHER MSWR18C 4 L10 TH WASHER 1 SA BKT RESISTOR 1 1 DE60 20063A BOLT FLANGE M4 10 ZPC3 YEL MSWR 2 SNA HINGE UPPER 1 2 6002 000630 SCREW TAPPING PH 2S M3 L8 ZPC YEL SWR 1 SNA PCB 1 3 DE60 10082I SCREW A 2S 4X10 FEFZY 1 SNA HANDLE 1 2 DE60 10104A SCREW TAP FZY MSWR10 PH M4X...

Page 39: ...DC 20V Voltage Transformation Supply Device 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 L...

Page 40: ...40 7 Wiring Diagrams 7 Wiring Diagrams 7 1 Wiring Diagrams This Document can not be used without Samsung s authorization ...

Page 41: ...41 7 Wiring Diagrams 7 1 Wiring Diagrams This Document can not be used without Samsung s authorization ...

Page 42: ... 2 4 9 2 N 6 U 2 6 2 2 6 2 2 6 U 6 4 2 2 4 2 N 2 0 5 0 5 9 2 4 2 2 4 3 7 6 7 4 2 3 7 6 7 4 2 6 2 3 2 4 6 N 6 6 N 2 5 6 6 6 2 4 3 2 4 3 4 F E R 6 6 3 3 6 8 4 5 8 4 5 0 4 2 5 2 4 2 3 2 2 5 6 N N N N 2 4 2 3 N N 2 2 Z 4 8 6 N 2 4 2 3 V V 2 3 2 4 3 2 3 4 2 2 4 2 4 N 6 4 2 2 4 2 2 4 2 3 2 2 6 7 9 3 U 2 6 7 3 6 2 6 4 6 2 2 4 0 4 2 2 5 6 2 4 2 5 6 3 5 4 2 2 4 2 2 4 9 2 P 9 2 0 5 0 5 P ...

Page 43: ...gportal 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 September 2007 Printed in Korea Code No DE68 04628A ...

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