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Samsung CM1529A-1/XEU Service Manual

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Refer to the service manual in the GSPN(see rear cover) for the more information.
BASIC: CM1329
MODEL: CM1529A
MODEL CODE: CM1529A-1/XEU
1. Precaution
3. Disassembly and Reassembly
4. T roubleshooting
5. PCB Diagrams
6. W iring Diagrams

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Summary of Contents for Samsung CM1529A-1/XEU

  • Page 1 BASIC: CM1329 MODEL: CM1529A MODEL CODE: CM1529A-1/XEU 1. Precaution 3. Disassembly and Reassembly 4. T roubleshooting 5. PCB Diagrams 6. W iring Diagrams Refer to the service manual in the GSPN(see rear cover) for the more information.

  • Page 2: Table Of Contents

    1. Precaution ................3 1-1 Safety precautions .

  • Page 3: Precaution

    1. Precaution...

  • Page 4: Safety Precautions

    1. Precaution Follow these special safety precautions. Although the microwave oven is completely safe during ordinary use, repair work can be extremely hazardous due to possible exposure to microwave radiation, as well as potentially lethal high voltages and currents. 1-1 Safety precautions ( 1.

  • Page 5: Special High Voltage Precautions

    1. Precaution 1-2 Special High Voltage Precautions 1. High Voltage Warning Do not attempt to measure any of the high voltages --this includes the lament voltage of the magnetron. High voltage is present during any cook cycle. Before touching any components or wiring, always unplug the oven and discharge the high voltage capacitor (See Figure 1-1) 2.

  • Page 6: Features

    - Top Feeding Microwave Distribution. - All Stainless Steel for inside & Outside for Hygiene & Durabillty. Model Items Model Basic Model New MODEL NAME CM1329/BOL CM1529A-1/XEU Power Source 230V ~ 50Hz AC 230V ~ 50Hz AC Power consumption Microwave 2600W 3000W...

  • Page 7: Disassembly And Reassembly

    3. Disassembly and Reassembly 3-1 Replacement of Magnetron Remove the magnetron including the shield case, permanent magnet, choke coils and capacitors (all of which are contained in one assembly) Parts Explaination Photo Explaination Duct-MGT-L 1. Remove the outer panel. Nut-Flange Duct-Fan NOTE : Before servicing, make...

  • Page 8: Replacement Of Door Assembly

    3. Disassembly and Reassembly 3-3 Replacement of Door Assembly Explanation Photo Door C Upper Hinge Door E Ass'y Decoration Door Screen B Decoration Door Cover 2 screws securing Door Handle Key-Door Lower Hinge Pin-Key Spring-Key Door Handle Door Handle Cover Parts Explaination NOTE...

  • Page 9: Replacement Of Fuse And H.v.fuse

    3. Disassembly and Reassembly 3-4 Replacement of Fuse and H.V.Fuse Parts Explaination Photo Explaination 1. Disconnect the oven from the power source. 2. Remove defective fuse from Noise lter. 3. When replacing the fuse, besure to use an exact replacement part. If new fuse blows out again after Fuse, replacement, check the primary interlock switch,door sensing switch and interlock monitor switch.

  • Page 10: Replacement Of Control Box Assy And P.c.board

    3. Disassembly and Reassembly 3-6 Replacement of Control Box Assy and P.C.Board Explanation Photo Main P.C.Board (PCB1) Wire Harness-C Digitron(PCB4) Panel Base Wire Harness-B Window-Display Wire Harness-F Cover Panel PCB3 Cover-Panel/L Switch-Membrane Cover-Panel/R Parts Explaination 1. Be sure to discharge any static electric charge built up on your body and avoid touching the touch control circuitry.

  • Page 11: Replacement Of Fan Motor

    3. Disassembly and Reassembly 3-7 Replacement of Fan Motor Parts Explaination Photo Explaination 1. Remove the outerpanel and back-cover. 2. Discharge the high voltage capacitor. 3. Remove all the lead wires from Magnetron Ventilation Motor and High Voltage Capacitor. 4. Remove 2 screws securing the duct fan. 5.

  • Page 12: Replacement Of Air Filter

    3. Disassembly and Reassembly 3-10 Replacement of Air Filter Parts Explaination Photo Explaination 1. Pull out the spacer pins at both ends of the Air Filter. Then the locking clamps inside are released. Air Filter 2. Lift the Air Filter off the post carefully. NOTE : Spacer pins are not detachable from the Air Filter.

  • Page 13: Troubleshooting

    4. Troubleshooting 4. Troubleshooting 4-1 Error Code Numbering Rule 1. ERROR CODE NUMBERING RULE is applied to a microwave oven and an oven.(CMO, OTR, Grill, Convection, Commercial etc.) 2. All sensors and devices have their own number. ex) Gas Sensor = 1, Temp. Sensor = 2, ... 3.
  • Page 14 4. Troubleshooting Weight Sensor Error Gas Sensor Error Case (E-1X) Solution Page Code E-31 Open (When value of HEX is above “FF” for 5 seconds) 19 Page E-32 Short 20 Page In case the initial value of HEX is under “14” for 30 E-33 seconds while a weight sensor in operation.

  • Page 15: Electrical Malfunction

    4. Troubleshooting 4-3 Electrical Malfunction 4-3-1 Sensor Open Error “E-11, E-21, E-27, E-29, E-31, E-32, E-41, E-46, E-61, or E-62” is displayed. Connect the sensor. Is the sensor disconnected? : Check if the sensor housing is inserted into the connector of the main PCB.
  • Page 16 4. Troubleshooting 4-3-2 Sensor Short Error “E-12, E-22, E-28, E-32, E2A, E-42, or E-62” is displayed. Remove the shorted part : Check if both terminals of the Is the sensor shorted? of the temperature sensor. sensor are slightly shorted. Is the sensor terminal part Remove any foreign : Check if the sensor and related of the PCB shorted?
  • Page 17 4. Troubleshooting 4-3-3 Sensor Max Time Error “E-13, E-14, E-43, E-44, E-63,” is displayed.. Does it heat up without Insert food : Since heating without placing food into placing food into it? and heat it again. the oven may damage the product, take care. Does it heat with completely Place food with : Since heating completely dried food...
  • Page 18 4. Troubleshooting 4-3-4 Key Short Error “- SE -” is displayed. Is the key not recognized at all? Is the key recognized intermittently? Is a specific key not recognized? The membrane is defective. S/W Error Replace the Control Panel. After Power > On, does the symptom continue? Replace the PCB.
  • Page 19 4. Troubleshooting 4-3-5 Weight Sensor Error “E-33, E-34 or E-35” is displayed. Has the turntable been placed over the roller properly? Place the turntable over the roller properly. Is the weight sensor Remove the foreign contaminated by any foreign substance. substance? Does the roller turn Place the food...
  • Page 20 4. Troubleshooting 4-3-6 Weight Sensor Error “E-36 or E-47” is displayed. Was the door open during Close the door. the operation? Check the Door S/W : Check the housing connected to Is the door sensing part normal? and the housing. the door S/W and PCB and if it is opened or shorted intermittently.
  • Page 21 4. Troubleshooting 4-3-7 Cooling Error “E-45” is displayed. Remove any moisture : To remove moisture from the sensor, Is the sensor wet? of the sensor. open the door for 5 minutes. Check the sensor Is the sensor voltage over 3V? : Check if the GND and sensor terminal terminal and housing.
  • Page 22 4. Troubleshooting 4-3-8 EEPROM Error “E-51, E-53, or E-54” is displayed. Insert and solder : An R4LCO40 or 24LCO4 EEPROM Has the EEPROM been inserted? an EEPROM is to be used. Check if a proper EEPROM has been installed. Replace the Is the EEPROM terminal opened or EEPROM and repair is there a short-circuit?
  • Page 23 4. Troubleshooting 4-3-9 Divider Missing Error “dE” is displayed. Is the Cooking Mode Twing? Single Mode? Is the Divider detection Is it Upper, Replace S/W S/W out of order? Lower Mode? Is divider inserted? Is divider inserted? Is the Divider detection S/W Connect correctly wire.
  • Page 24 4. Troubleshooting 4-3-10 Over Time Error “S-01” is displayed. Is it temperature 100°C in oven? Has it worked for 6 hours continuously? Is it temperature 105°C~240°C in oven? Re-check the Cut-Off-Time Has it worked for for the corresponding 8 hours continuously? internal temperature.
  • Page 25 4. Troubleshooting 4-3-11 Cooling Fan Motor Sensor Error “ E-0b, E-2b, E-2C, Ot” is displayed. Is the temperature An “E-2b” error sensor of the PCB open? occurred. Insert the Was there a short- temperature sensor. circuit in the temperature An “E-2C” error occurred. sensor of the PCB? Repair the short circuit.
  • Page 26 4. Troubleshooting 4-3-12 Preheating Error “ E-08, E-23, E-26” is displayed. Check the heater Does the heater work? : Check the voltages of related drive part. both heater terminals. Replace the Is the heater temperature : After operating the heater for more then heater.
  • Page 27 4. Troubleshooting 4-3-13 Cooking Time Over Selection Error “E-02, E-03, E-04, or E-05” is displayed. Is this happening during the MW operation? Is it happening during the Grill operation? Over Time is Over Time is set? set? Is it happening during the Convection operation? An “E-03”...
  • Page 28 4. Troubleshooting 4-3-14 Internal Oven Temperature Abnormal Error “ E-0A, E-09, E-24” error code is displayed. Is the oven internal temperature An “E-09” error maintained over 320 degrees? occurred. Has the oven internal temperature An “E-24, E-0A” error reached over 350 degrees? occurred.
  • Page 29 4. Troubleshooting 4-3-15 Swing Heater Detection Error An “E-25” error occurred. Is the oven in MW mode? An “E-25” error Is the internal temperature occurred. over 200 degrees? Press the Cancel key. Press the Cancel key to cancel the current state. Connect it Is the sensor connectivity properly...
  • Page 30 4. Troubleshooting 4-3-16 Swing Heater Detection Error An “E-06” error code is displayed. Is the oven in Bake Toast mode? After waiting for 20 seconds, Has the switch heater check if the micro-switch has operated for 20 seconds? been detected. The micro-switch is Has the micro-switch defective Replace it.
  • Page 31 4. Troubleshooting 4-3-17 If oven malfunction *Inspection method Oven does not operate. Is Primary interlock Is Fuse OK? switch normal? Is Power Relay normal? Is the magnetron Replace switch temperature switch normal? Power supply circuit check point Is SMPS power supply Do check power supply cirduit normal? circuit...
  • Page 32 4. Troubleshooting 4-3-18 If button malfunction Buttons of the control panel do not work. *Inspection method Are button pressed Refer to User Manual in the correct order? Tact type Is the connector of the control panel normal? Replace PCB. Menbrane type...
  • Page 33 4. Troubleshooting 4-3-19 If food is not heated even though an oven works *Inspection method Food is not heated even though an oven works. Is the latch switch Method to control latch switch operating normally? Checking high voltage circuits...

  • Page 34: Pcb Diagrams

    5. PCB Diagrams 5. PCB Diagrams 5-1 PCB Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 35: Wiring Diagrams

    6 Wiring Diagrams 6-1 Wiring Diagrams (This Document can not be used without Samsung’s authorization)
  • Page 36 GSPN (GLOBAL SERVICE PARTNER NETWORK) Area Web Site Europe, CIS, Mideast & Africa gspn1.samsungcsportal.com Asia gspn2.samsungcsportal.com North & Latin America gspn3.samsungcsportal.com China china.samsungportal.com © Samsung Electronics Co., Ltd. June. 2013 Printed in Korea.

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