LG PRCKD42E Owner's Manual page 135

Error Code
CH1x077 Fan over-current error
CH1x078 Fan Hall sensor error
CH1x079 Fan start-up failure error
CH1x080 Louver motor over-current
CH1x081 Louver limit S/W error
CH1x082 A cycle low pressure error
CH1x083 B cycle low pressure error
CH1x084 A cycle high pressure error
CH1x085 B cycle high pressure error
CH1x086 Main PCB EEPROM error
CH1x087 Fan PCB EEPROM error
CH1x088 PFC PCB EEPROM error
CH1x089 Removable distributor communication error
CH1x100 Slave 1 fixed speed compressor 1 outlet temperature excessive rise error
CH1x101 Slave 1 fixed speed compressor 2 outlet temperature excessive rise error
CH1x102 Slave 2 fixed speed compressor 1 outlet temperature excessive rise error
CH1x103 Slave 2 fixed speed compressor 2 outlet temperature excessive rise error
CH1x104 Outdoor unit communication error (Slave <-> Master)
CH1x105 Fan board communication error (fan ->outdoor unit)
CH1x106 Fan board IPM Fault
CH1x107 Fan board (low voltage error)
CH1x108 Communication error (outdoor unit -> fan)
CH1x109 Slave 1(high pressure switch error)
CH1x110 Slave 1 (reverse phase error)
CH1x111 Slave 1 (communication error: Master -> Slave)
CH1x112 Master outdoor unit sensor (uniform oil pipe temperature sensor error)
CH1x113 Master outdoor unit sensor (liquid pipe temperature sensor error)
CH1x114 Master outdoor unit sensor (over-cooling inlet temperature sensor error)
CH1x115 Master outdoor unit sensor (over-cooling outlet temperature sensor error)
CH1x116 Slave 1 outdoor unit sensor (high pressure sensor error)
CH1x117 Slave 1 outdoor unit sensor (low pressure sensor error)
CH1x118 Slave 1 outdoor unit sensor (air temperature sensor error)
CH1x119 Slave 1 outdoor unit sensor (uniform oil pipe temperature sensor error)
CH1x120 Slave 1 outdoor unit sensor (inlet temperature sensor error)
CH1x121 Slave 1 outdoor unit sensor (fixed speed compressor 1 outlet temperature error)
Error name
APPENDIX
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