Hitachi ONCE Error Code
Air Purifier Operation Reset Stop.
ac · LD301
Air Purifier Operation Reset Stop
Cause: Indoor unit air purifier operation active until compressor start, or outdoor electric box fault in other cases
How to fix: No action needed if during air purifier operation; change outdoor electric box for other cases.
Hitachi boards that may fix ONCE
If the board is the cause, these refurbished Hitachi boards are in stock. Match the part number before you order.
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