LG ACHH Series Manual page 70

Error code check
Error number Errors
Inverter compres-
sor 1, 2 discharge
32
temperature
(321)
excessive
increase
n Failure diagnosis method
Is the amount of
refrigerant normal?
[Refrigerant side]
Yes
Is the sensor resistance
value normal while in off?
[Note 1]
Yes
Is EEV normal?
[Electronic side]
Yes
Is there any pipe
clogging (Strainer etc)
phenomenon?
Yes
Strainer replacement
Meaning
Compressor off caused by
an excessive increase of an
Inverter compressor 1, 2
discharge temperature
Is there any evidence
No
of a pipe leakage
or cracks?
Yes
Refrigerant recharge after
welding and re-connecting the
correspond part
Correspond compressor
No
discharge temperature sensor
replacement
No
EEV replacement
Take action after checking
No
other parts and operation
environment
Main cause of occurrence
1. Inverter compressor 1, 2 discharge pipe temperature
sensor defect
2. Refrigerant shortage/ Leakage
3.EEV failure
4.Liquid spray valve failure
Refrigerant amount
No
correction (Additional
seal-in)
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