39
Mitsubishi Heavy
Mitsubishi Heavy air conditioner error 39
Meaning
Discharge pipe sensor is abnormal (anomalous stop)
Models
SRK25ZSP-W, SRK35ZSP-W, SRK45ZSP-W
Meaning
Discharge pipe temperature sensor is abnormal (anomalous stop)
Models
SRK15ZTL-W
How the unit shows it
- RUN light (10's digit): 3-time flash
- TIMER light (1's digit): 9-time flash
- Occurrence conditions: −25°C or lower is detected for 5 seconds continuously 3 times within 40 minutes after initial detection of this anomalous temperature
- Error display: (3 times)
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.