Model reference
Daewoo YDK-40-4B
Air Conditioner
7 documents9 error codes6 service modes
Available documentation
Service Manual
- Service Manual Split System Air Conditioner Model: DSB-F124AH59 pg
- Service Manual Split System Air Conditioner Model: DSB-121L54 pg
- Service Manual Split System Air Conditioner Model: DSB-122L49 pg
- Service Manual Split System Air Conditioner Model: DSB-123LH49 pg
- Service Manual - Split System Air Conditioner Model DSB-F124PH59 pg
- Service Manual Split System Air Conditioner Model: DSB-F124LH56 pg
- Service Manual Split System Air Conditioner Model: DSB-123AH50 pg
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Error codes (9)
CodeMeaning
1 blinkIndoor coil sensor or outdoor coil sensor open or short circuit, or…1 blink (ON lamp, 0.5s pattern)Indoor coil sensor open or short, OR outdoor coil sensor open or short; unit…1 blink (ON lamp, 8s pattern)Indoor coil sensor open or short1 blink (ON lamp)Room sensor open or short circuit2 blinksGas leak detected2 blinks (ON lamp, 0.5s pattern)Outdoor coil sensor open or short, compressor or electrical parts of compressor…2 blinks (ON lamp)Compressor or electrical parts of compressor error, or gas leak; unit continues…ON lamp blink (continuous)Room sensor open or short; unit continuously works to fix room temperature at…ON lamp continuous blinkRoom sensor open or short circuitService modes (6)
- Emergency Operation["Used when remote controller is lost, damaged, or battery is discharged.","Set the mode select…
- Remote Controller Functional Test["Power supply the remote controller.","Verify display turns on at beginning.","Select ON/OFF…
- Self-Diagnostic Function["The control automatically contains diagnostic tests to verify the integrity of the system.","ON…
- Test OperatingEnter test operating mode (method not further specified in document).
- Test Operating ModeDuring test operating, Fan (Indoor, Outdoor) and Compressor run regardless of room temperature.
- Test OperationDuring test operating mode, Fan (Indoor, Outdoor) and Compressor run regardless of room temperature.
Full entry steps, exit procedures, and test sequences are available in Max.
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