Error code reference

Daewoo Air Conditioner Error Code 3

Compressor, electrical parts of compressor, or gas leak error: indicated by ON lamp (Red LED) flashing with 0.5 second on/off pattern for 8 seconds.

SourceDaewoo DSA-101L/DSA-121L - Full Service Manualp. 17, 25

Daewoo codes Daewoo air conditioner codes

Diagnostic procedure

The full 3 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Check voltage between L and Y of terminal block (indoor and outdoor unit); check connecting wire between indoor and outdoor unit; check relay RL1 on power PCB; check fixing of indoor coil thermistor; check gas leakage of the pipe.

SourceDaewoo DSA-101L/DSA-121L - Full Service Manualp. 17, 25

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

16 manuals in the MyPros+ library document this code for Daewoo air conditioner.

Models covered by the manuals that document this code

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The full 3 procedure

Where this code is documented

Models covered by the manuals that document this code

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