37
Mitsubishi Heavy
Mitsubishi Heavy air conditioner error 37
Meaning
High pressure eror (ball valve closed)
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Heating current safe III + 3A
Models
SRK25ZJP-S, SRK35ZJP-S, SRK50ZJP-S
Meaning
Outdoor heat exchanger sensor is abnormal
Models
SRK25ZSP-W, SRK35ZSP-W, SRK45ZSP-W
Meaning
Outdoor heat exchanger temperature sensor is abnormal
Models
SRK15ZTL-W
How the unit shows it
- RUN light: 3 time flash
- TIMER light: 7 time flash
- RUN light (10's digit): 3-time flash
- TIMER light (1's digit): 7-time flash
Causes and how to check
- 3 possible causes
- 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. - Pressure, low refrigerant and high discharge temperature errors: where to start
Pressure and discharge-temperature protection codes: tell a low charge from a blockage or poor heat rejection before charging.