Model reference

LG LB-H1208VA0

Air Conditioner

1 document18 error codes

Available documentation

Service Manual

Large Duct Air Conditioner SVC MANUAL (Exploded View)30 pg
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CH01 on my LG LB-H1208VA0

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Open or short circuit of room

From Service Manual 103328, p.20:

1.Access service mode to confirm the active fault code and read stored error history.

2.Disconnect the sensor and measure resistance. Expected: 10 kΩ to 12 kΩ at 77°F (25°C).

3.Check the sensor harness for opens. A reading outside 5 kΩ to 50 kΩ indicates a failed sensor.

Part 6322FR2046G

Temperature thermistor

Error codes (18)

CodeMeaning

CH01Open or short circuit of room temperature sensor (air sensor).CH02Open or short circuit of inlet pipe sensor (indoor pipe sensor).CH03Communication error between indoor PCB and wired remote controller.CH04Drain pump / float switch error CH05Communication error between indoor PCB and outdoor PCB.CH06Open or short circuit of outlet pipe sensor (indoor).CH07Different mode operation error CH09EEPROM checksum mismatch on indoor PCB.CH10BLDC motor fan lock CH15Communication error between indoor PCB and fan board.CH24High pressure switch operated CH33Discharge pipe temperature high CH44Open or short circuit of outdoor air sensor.CH45Open or short circuit of outdoor outlet pipe sensor (condenser sensor).CH47Open or short circuit of discharge pipe sensor.CH48Open or short circuit of suction pipe sensor.CH51Excess capacity CH54Phase error on outdoor unit

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