79
Error Code Diagnostics
EE, EU, FH Error Codes
EE
EU
FH
EEProm Malfuntion
Status:
During cooling & dehumidifying, indoor unit
operates while other functions stop; During
heating operation, complete unit stops
1. Faulty outdoor control board, replace AP1
Fault & Status Possible Causes
1. After the unit is off for 20 minutes, check for
suffi cient thermal grease on IPM module of
the outdoor control board and that is seated
tightly.
2. Faulty control board, replace
Decrease in Frequency due to over heating
of Module
Status:
All units operate with decrease in capacity
Decrease frequency due to anti-freezing
Status:
All units operate with decrease in capacity
1. Poor air return in indoor unit
2. Fan speed too slow
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