E37
Mitsubishi Heavy
Mitsubishi Heavy air conditioner error E37
Meaning
Outdoor heat exchanger sensor [ThOR] defective (open circuit) or poor sensor connection
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Outdoor unit heat exchanger sensor [ThOR] defective (resistance is open circuit); poor connection of sensor connection on outdoor unit PCB
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Outdoor heat exchanger sensor [ThOff] defective (resistance is open circuit)
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Outdoor heat exchanger temperature sensor error
Models
SRK15ZTL-W
How the unit shows it
- LED 1: -
- LED 2: Stays Off
- LED 3: Keeps Flashing
- LED 4: Flashes once
Causes and how to check
- 2 possible causes
- 2 checks in order
- the cited manual page, and follow-up questions
No account needed to look up codes.
Model series: SRK
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.