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Daewoo DWC-UD121DC - User Manual

Daewoo DWC-UD121DC
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Service Manual
Drum Washing Machine
Model: DWC-UD121DC
Apr. 2008
Caution
: In this Manual, some parts can be changed for improving,
their performance without notice in the parts list. So, if you
need the latest parts information, please refer to PPL(Parts
Price List) in Service Information Center (http://svc.dwe.co.kr).
S/M No. : CUD121DC01
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Daewoo DWC-UD121DC Specifications

General IconGeneral
BrandDaewoo
ModelDWC-UD121DC
CategoryWasher
LanguageEnglish

Summary

5. PARTS LIST BY ASSY

1. PANEL F AS

List of parts for the front panel assembly, including outer and inner panels, buttons, and display components.

2. INLET BOX AS

3. CABINET F ASSY

4. CABINET ASSY

5. BASE U AS

6. TUB ASSY

7. DUCT B AS + DUCT PIPE AS

8. PLATE TOP ASSY

5. TEST MODE

5-1. Testing Mode

Test mode for checking PCB and electronic parts without water supply to verify functionality.

5-2. Continous testing mode

Continuous testing mode for checking all functions and sensors sequentially without interruption.

6. ERROR DISPLAY

6-1. IE (Input Error) - Error in water supply

Error related to insufficient water supply or failure to reach designated water level within the specified time.

6-2. OE (Output Error) - Error in drainage

Error indicating failure to drain water or reach the reset point after drainage starts.

6-3. UE (Unbalance Error)

Error occurring when spin-drying is not balanced or fails during the process, affecting drum stability.

6-4. LE (Lock Error) - Door opening error

6-5. E1 - Water level detection error

6-6. E2 - Overflow error

6-7. E4 - Water leakage during washing

6-8. E9 - Abnormalities in water level sensor

6-9. Motor-related Error

E5 (DC-Link High Voltage) Error

Error indicating high DC-link voltage to the IPM, possibly causing motor stoppage.

E6 (EMG) Error

Error related to high current detected at the EMG port, leading to motor stoppage.

6-10. Error in Temperature Sensor

H2 Error - Washing temperature sensor open; short

Error when the washing temperature sensor is defective or not properly connected.

6-10. Error in Temperature Sensor (continued)

H5 Error - Water temperature error in wool; delicate course

Error for incorrect water temperature during wool or delicate wash cycles.

H6 Error - Abnormality in washing heater

Error indicating an abnormality or failure in the washing heater's operation.

H8 Error - Washing heater overheating

Error occurring when the washing heater overheats without water present.

1. PCB PIN

5) TROUBLE SHOOTING OF DRY SYSTEM

â—†HEATER DRY

Troubleshooting steps for the heater system during the dry cycle, addressing heating failures.

â—†Thermistor

Troubleshooting guide for the thermistor sensing air temperature, including open/short conditions.

â—†FUSE TEMPERATURE

Troubleshooting procedure for the fuse that protects against overheating, checking for cut-off conditions.

â—†SWITCH THERMOSTAT(BIMETAL)

â—† UNIT FAN MOTOR

6) LACK OF DRY PERFORMANCE

• Situation: after drying, the clothes still get wet.

Identifies causes for clothes remaining wet after the drying cycle, such as overloading or poor air circulation.

• Situation after drying, the clothes was soaked and hot.

Describes causes for clothes being wet and hot after drying, often related to spin performance or imbalances.

• Situation: PCB shows H1 or H3.

Lists potential issues when the PCB displays "H1" or "H3" error codes, often related to the thermistor.

• Situation: PCB shows H7.

• situation: PCB shows E3.

8. WIRING DIAGRAM

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