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Error code reference
Daewoo Air Conditioner Error Code 2 blinks (ON lamp, 0.5s pattern)
Outdoor coil sensor open or short, compressor or electrical parts of compressor error, or gas leak: unit continues working.
SourceDaewoo DSB-121L Air Conditioner - Full Service Manualp. 16, 23
Diagnostic procedure
The full 2 blinks (ON lamp, 0.5s pattern) 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
1
First diagnostic step
Check voltage between L and Y of terminal block (indoor and outdoor unit); check connecting wire; check relay RL1 on power PCB; check compressor; check for gas leakage.
SourceDaewoo DSB-121L Air Conditioner - Full Service Manualp. 16, 23
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
1 manual in the MyPros+ library documents this code for Daewoo air conditioner.
Models covered by the manuals that document this code
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