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Error code reference
Daewoo Air Conditioner Error Code ON LAMP 1 blink (8s interval)
Indoor coil sensor open or short, or outdoor coil sensor open or short; unit does not work.
SourceDaewoo Split System Air Conditioner - Service Manual (DSB-F071L/092L/123L)p. 20
Diagnostic procedure
The full ON LAMP 1 blink (8s interval) 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 fixing of indoor coil thermistor; check indoor and outdoor coil sensors for open or short.
SourceDaewoo Split System Air Conditioner - Service Manual (DSB-F071L/092L/123L)p. 20
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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