LG PRCKD42E Owner's Manual page 134

APPENDIX
134
Error Code
CH1x044 Outdoor air temperature sensor open/short
CH1x045 Outdoor pipe (Top) sensor open/short
CH1x046 Compressor inlet temperature sensor open/short
CH1x047 Fixed speed No.1 compressor outlet temperature sensor defect
Heat exchanger temperature sensor (Bottom)
CH1x048
(Super3: fixed speed No.2 compressor outlet temperature sensor defect)
Outdoor voltage sensor error
CH1x049
(Super3: IPM temperature sensor defect)
CH1x050 Outdoor 3 phase power open phase
CH1x051 Over capacity error (indoor unit capacity sum is over)
CH1x052 Communication error (inverter board <-> main board)
CH1x053 Communication error (indoor unit <-> outdoor unit)
CH1x054 RST reverse phase detection
CH1x055 Communication error (main <-> central controller)
CH1x056 Communication error (main <-> central controller)
CH1x057 Communication error (main board <-> inverter board)
CH1x058 Very small product wrong assembly
CH1x059 Slave outdoor unit mixed installation
CH1x060 PCB EEPROM error (MUlti V: inverter PCB EEPROM error)
CH1x061 Outdoor pipe temperature error (High)
CH1x062 Heatsink error (High)
CH1x063 Indoor pipe temperature error (low)
CH1x064 Momentary blackout
CH1x065 Heatsink Th error (open/short)
CH1x066 Incorrect wiring/incorrect piping (connection wire , pipe, LEV incorrect wiring)
CH1x067 Outdoor unit fan lock error
CH1x068 Fixed speed compressor CT Open
CH1x069 Fixed speed compressor No.1 CT sensor error
CH1x070 Fixed speed compressor No.2 CT sensor error
CH1x071 Input CT sensor error
CH1x072 Communication error between Louver and fan
CH1x073 Input momentary over-current (Peak)
CH1x074 Inverter PCB phase unbalance
CH1x075 Fan CT sensor error
CH1x076 Fan DC link high voltage error
Error name