Error code
ECO ECO energy-saving 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 Save (ECO) energy-saving function is active. This is no error or fault.
What you can check yourself
- No action is needed, or press the Save/ECO control to stop the function.
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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