Error code
CL I clean self-cleaning status
Applies to 4 models
Aero 503 I CN, Aero 504 I CN, Aero 503 O CN, Aero 504 O CN
What this means
The indoor heat exchanger self-cleaning function is active. The cycle lasts 20 to 45 minutes and is not an error or fault.
What you can check yourself
- Allow the self-cleaning cycle to finish; it ends automatically after 20 to 45 minutes.
Still not resolved? Contact a qualified installer or servicer.
See the official IVT manualA deep link to the manufacturer's own PDF for full technical detail. We link to manuals, we never host them.
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