E31
Mitsubishi Heavy
Mitsubishi Heavy air conditioner error E31
Meaning
Outdoor unit address fault
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Duplication of an indoor unit address number (U00 – U47)
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Duplicate indoor unit address or outdoor unit address setting error
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Duplication of an indoor unit address number (000-047). Outdoor unit address setting error
General meaning for the brand's models, unless a model's own manual says otherwise.
How the unit shows it
- LED 1: -
- LED 2: Stays Off
- LED 3: Keeps Flashing
- LED 4: 8 Time Flash
Causes and how to check
- 3 possible causes
- 2 checks in order
- the cited manual page, and follow-up questions
No account needed to look up codes.