E28
Mitsubishi Heavy
Mitsubishi Heavy air conditioner error E28
Meaning
Failure of the sensor within the remote controller
General meaning for the brand's models, unless a model's own manual says otherwise.
How the unit shows it
- Receiver unit Red LED: -
- Indoor circuit board Red LED: Stays Off
- Indoor circuit board Green LED: Keeps Flashing
- Outdoor circuit board Red LED: Stays Off
Causes and how to check
- 1 possible causes
- the cited manual page, and follow-up questions
No account needed to look up codes.
Guides
- Checking an air conditioner temperature sensor (thermistor)
How to check the room, coil or discharge sensor when the unit reports a sensor error: measure its resistance and compare with the exact model's table.