Model reference
Daewoo DSB-123LH
Air Conditioner
11 documents11 error codes7 service modes
Available documentation
Service Manual
- Daewoo DSB 182PH E Service Manual CDC 143251 pg
- Service Manual Split System Air Conditioner Model: DSB-121L54 pg
- Service Manual Split System Air Conditioner Model: DSB-F240L-R53 pg
- Daewoo DSB-F071L / DSB-F092L Service Manual103 pg
- Service Manual Split System Air Conditioner Model: DSB-240AH-R51 pg
- Service Manual Split System Air Conditioner Model: DSB-240PH-R57 pg
- Service Manual Split System Air Conditioner Model: DSB-123LH49 pg
- Service Manual Split System Air Conditioner Model: DSB-092LH48 pg
- Service Manual Split System Air Conditioner Model: DSB-183PH60 pg
- Service Manual - Split System Air Conditioner131 pg
Other
- Daewoo SM DSB 071LH E CDC 157648 pg
MyPros+ Max
Diagnose your Daewoo DSB-123LH.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
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Error codes (11)
CodeMeaning
1 blinkRoom sensor open or short circuit; unit continuously operates at fixed room…1 blink (ON lamp, 8s pattern)Indoor coil sensor open or short1 blink (ON lamp)Room sensor open or short circuit2 blinksIndoor coil sensor open or short, outdoor coil sensor open or short, compressor…2 blinks (ON lamp, 0.5s pattern)Outdoor coil sensor open or short, compressor or electrical parts of compressor…continuous blinkUnit does not work due to indoor coil sensor open/short, outdoor coil sensor…continuous ON blinkRoom sensor open or shortE1Room sensor open or short circuit detected (ON lamp blinks continuously for 8…E2Indoor coil sensor or outdoor coil sensor open or short circuit (ON lamp does…E3Compressor or electrical parts of compressor errorE4Gas leak detectedService modes (7)
- Emergency Operation["Set the select switch on the switch panel to the Emergency position (away from Remote).","Unit…
- Remote Controller Functional Test["Power supply the remote controller.","Verify display turns on at beginning.","If display does not…
- Self-Diagnostic["The control automatically performs diagnostic tests to verify system integrity.","Error codes are…
- Self-Diagnostic FunctionThe control automatically runs diagnostic tests to verify system integrity
- Test Operating["Activate test operating mode (specific button sequence not detailed beyond emergency switch…
- Test Operating Mode["Activate test operation via the control system."]
- Test Operation["Activate test operating mode (via test/emergency switch on indoor unit)."]
Full entry steps, exit procedures, and test sequences are available in Max.
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