LG ACHH Series Manual page 103

Error code check
Inverter outdoor fan
Check start
No
Is a contact of IPM power
Fan IPM board replacement
part and signal part normal?
Yes
Is a fan moved Is a fan moved
No No
when operating under 700 kPaG of when operating exceed 2 700 kPaG of
heating low pressure? cooling high pressure?
Yes Yes
Fan motor replacement
No problem on an outdoor fan
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