Error code reference

LG Air Conditioner Error Code E445

Refrigerant charging restriction in heating mode when air temperature is over 15°C / CCH wire breaking error.

SourceLG System Air Conditioner - Full Service Manual: Outdoor Unit (AM080-AM220 Series)p. 4-18, 4-66

Diagnostic procedure

The full E445 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check if CCH connector is connected to PCB.

SourceLG System Air Conditioner - Full Service Manual: Outdoor Unit (AM080-AM220 Series)p. 4-18, 4-66

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

2 manuals in the MyPros+ library document this code for LG air conditioner.

Models covered by the manuals that document this code

More models are covered than are listed here.

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