Model reference
Daewoo DSB121L
Air Conditioner
6 documents8 error codes5 service modes
Available documentation
Service Manual
- DAEWOO DSB121L Service Manual CDC 48173 pg
- Service Manual Split System Air Conditioner Model: DSB-F183L59 pg
- Service Manual Split System Air Conditioner Model: DSB-182LH51 pg
- Service Manual Split System Air Conditioner Model: DSB-183PH60 pg
- Service Manual - Split System Air Conditioner131 pg
Other
- Daewoo DSB 070LHDSB 071LH DSB 091LHDSB 092LH DSB 121LHDSB 122LH DSB 123LH DSB 182LHLH R DSB 183LHLH R D139 pg
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- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
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Error codes (8)
CodeMeaning
1 blinkIndoor coil sensor open or short, OR outdoor coil sensor open or short, OR…2 blinksGas leak detected3Compressor failure, electrical parts of compressor fault, or gas leak detected.Continuous blinkGas leak detectedcontinuous ON blinkRoom sensor open or shortLED 1 time blinkGas leak detected; unit continuously working.LED 3 times blinkCompressor or electrical parts of compressor error; unit continuously works to…LED 8s blinkRoom sensor open or short circuit, indoor coil sensor open or short, or outdoor…Service modes (5)
- Emergency OperationPress the Emergency/Remote switch on the indoor unit (switch position set to 'Emergency' / GND)
- Self-DiagnosticThe control automatically contains diagnostic tests to verify system integrity
- Self-Diagnostic FunctionThe control automatically runs diagnostic tests to verify system integrity
- Test OperatingDuring the time of test operating, Fan (Indoor, Outdoor) and Compressor run regardless of room…
- Test OperationSlide the Test/Emergency/Remote switch to the desired test position on the indoor unit switch panel.
Full entry steps, exit procedures, and test sequences are available in Max.
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