LG PRCKD42E Owner's Manual page 131

Error Code
RPM difference problem
CH1x161
RPM has difference of 200RPM between problem EC_RPM and ET_RPM for 120 seconds
Exhaust gas high temperature problem
CH1x162
Exhaust gas temperature of 130°C or more is maintained for 10 seconds
15MH_Comp defect
CH1x163
At Clutch (15MH Clutch) ON point, EC_RPM of 500 or less is maintained for 2 seconds (error detection for 5
seconds from Clutch ON point)
10MH_Comp defect
CH1x164
At Clutch (10MH Clutch) ON point, EC_RPM of 500 or less is maintained for 2 seconds (error detection for 5
seconds from Clutch ON point)
High compression ratio error
CH1x165
When compression ratio > 7.0, immediately
Water sensor problem
CH1x166
ECU decided coolant temperature sensor problem
Throttle sensor problem
CH1x167
ECU decided ETC Posi 1 sensor problem
Map sensor problem
CH1x168
ECU decided Map sensor problem
Air sensor problem
CH1x170
ECU decided Air sensor problem
Oil hydraulic switch problem at stopped state
CH1x172
Decide from 2 min. after engine stop (EC_RPM < 10). Oil hydraulic switch OFF state is maintained for 2 min-
utes or ECU raised hydraulic problem signal at stopped state
Forced stop
CH1x173
Forced stop switch, gas valve lock switch ON setting is maintained for 2 seconds
Coolant level problem
CH1x174
Coolant float Switch is continuously ON for 5 seconds or longer
Pump CT Sensor problem
CH1x175
When pump is stopped, pump current of 0.45A or more is maintained for 30 seconds or longer
Oil level Low problem
CH1x176
During operation, if oil level float switch is ON for 1 hour or longer, or at stopped state, if oil level float switch
is ON for 1 minute
Engine room temperature sensor defect
CH1x177
Sensor open/short
Exhaust gas temperature sensor defect
CH1x178
Sensor open/short, check 3 min. after engine start
ECU communication problem
CH1x180
During operation, communication defect with ECU for 10 seconds or longer
Compressor 1 oil temperature sensor defect
CH1x181
Sensor open/short
Compressor 2 oil temperature sensor defect
CH1x182
Sensor open/short
Error Type
Conditions for Cause
APPENDIX
131