E34
Mitsubishi Heavy
Mitsubishi Heavy air conditioner error E34
Meaning
Compressor current abnormally low (or no current) on L3, or open phase on L3
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Compressor current abnormally low (or no current) on L3, open phase on L3, or inverter board error
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Abnormally low or no current on L3 detected by CT, or open phase at L3
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Abnormally low or no current detected by CT on L3. Open phase at L3 secondary side of contactor
General meaning for the brand's models, unless a model's own manual says otherwise.
How the unit shows it
- LED 1: Keeps Flashing
- LED 2: Stays Off
- LED 3: Keeps Flashing
- LED 4: Flashes Twice
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.