LG ARUV Series Service Manual page 285

Error No.
162 (Sub3 constant
Compressor discharge
compressor1)
pipe temperature sen-
163 (Sub3 constant
sor error
compressor2)
Error No.
Pipe sensor error of the
164 (Sub3 HEX A)
main and sub units heat
165 (Sub3 HEX B)
exchanger (A,B)
Error No.
Sensor error at the out-
166(Sub3) door liquid refrigerant
pipe
Error No.
167 (Sub3 sub-cool-
Outdoor unit sub-cool-
ing inlet)
ing sensor error at inlet /
168 (Sub3 sub-cool-
outlet
ing outlet)
Error No.
Excessive rise in high
169(Sub3)
pressure
Error No.
Excessive low pressure
170(Sub3)
drop
Error No.
Excessive Low voltage /
171(Sub3)
High voltage
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Only for training and service purposes
Error Type
Abnormal resistance value of
sensor measurement ( Open /
Short )
Error Type
Abnormal resistance value of
sensor measurement ( Open /
Short )
Error Type
Abnormal resistance value of
sensor measurement( Open /
Short )
Error Type
Abnormal resistance value of
sensor measurement( Open /
Short )
Error Type
Compressor Off due to the high
pressure sensor
Error Type
Compressor Off due to the low
pressure sensor
Error Type
1. Input voltage in the installa-
tion region = 3phase
380V±10%
2. Single phase = 220V ±10%
Error Point
Refer to CH41
Error Point
Refer to CH45
Error Point
Refer CH113
Error Point
Refer to CH114
Error Point
Refer to CH34
Error Point
Refer to CH35
Error Point
Refer to CH25
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Troubleshooting Guide
Main Reasons
Main Reasons
Main Reasons
Main Reasons
Main Reasons
Main Reasons
Main Reasons
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