mypros+
Model reference

Daewoo DSB-090L

Air Conditioner

2 documents4 error codes4 service modes

Available documentation

Service Manual

  • Service Manual Split System Air Conditioner62 pg
    Covers this model
  • Service Manual Split System Air Conditioner Model: DSB-090L/DSB-120L DSA-100L/DSA-120L62 pg
    Covers this model
MyPros+ Max

Diagnose your Daewoo DSB-090L.

  • Step-by-step diagnostics from the service manual
  • Test values, resistance specs, and wiring references
  • Verified part numbers when replacement is needed
Start diagnosing

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax

Error codes (4)

CodeMeaning
1Room air thermistor or connector fault (open/short circuit in room temperature…2Indoor coil thermistor or connector fault (open/short circuit in indoor coil…3Compressor failure, electrical parts of compressor fault, or gas leak.4Indoor fan motor, motor connector, or PCB fault.

Service modes (4)

  • DIP Switch Function Selection (Aging/Timer Short Test)Set DIP switch positions before powering unit on
  • Emergency Operation["Open the front panel of the indoor unit to access the switch panel.","Press the EMERGENCY switch…
  • Remote Controller LCD Panel Test["Ensure remote controller is in the OFF state.","Press the Temperature Up and Temperature Down…
  • Self-Diagnostic FunctionThe control automatically displays error codes via the ON (Red) LED blinking pattern

Full entry steps, exit procedures, and test sequences are available in Max.

Related Daewoo air conditioner models

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax