E63
Mitsubishi Heavy
Mitsubishi Heavy air conditioner error E63
Meaning
Emergency stop of indoor unit
General meaning for the brand's models, unless a model's own manual says otherwise.
How the unit shows it
- LED 1: Stays Off
- LED 2: Keeps Flashing
- LED 3: Flashes once
- LED 4: Keeps Flashing
Causes and how to check
- the cited manual page, and follow-up questions
No account needed to look up codes.