Model reference
LG LBUH602RSA2
Air Conditioner
1 document5 error codes2 service modes
Available documentation
Service Manual
- Air Conditioner Service Manual - Ceiling Duct Type Air Conditioner73 pg
MyPros+ Max
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- Step-by-step diagnostics from the service manual
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Error codes (5)
CodeMeaning
CH01Indoor air sensor error (connector connection error, faulty PCB, or faulty…CH02Indoor inlet pipe sensor error (connector connection error, faulty PCB, or…CH03Communication error between wired remote controller and indoor unit (connector…CH04Drain pump or float switch error (float switch open or water overflow…CH09Indoor unit EEPROM error (EEPROM checksum discordance or EEPROM data read…Service modes (2)
- Installer Setting ModePress and hold the designated button for 4 seconds until timer segment displays '01:01'.
- Test Run ModeKeep pressing the designated button for 4 seconds to enter installer setting mode until code is…
Full entry steps, exit procedures, and test sequences are available in Max.
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