Mitsubishi Error Code P1: Intake Sensor Error
Warning: Your Mitsubishi HVAC system has detected an issue with the intake sensor. It's safe to continue using the system, but you should schedule a professional repair soon.
How to Fix Mitsubishi Code P1
- Check and clean the intake area to ensure it's not blocked
- Verify that the system settings are correct
- If the system is still not functioning properly, contact a professional HVAC technician
How to Reset Mitsubishi Code P1
- Turn off the unit using the remote control or wall controller.
- Turn off the circuit breaker for the outdoor and indoor units. Wait 60 seconds.
- Restore power at the breaker.
- Turn the unit on with the remote control. If the error returns, the fault needs professional diagnosis.
What does P1 mean?
The P1 error code on your Mitsubishi HVAC system indicates a problem with the intake sensor. This sensor measures the temperature and pressure of the air entering your system. If it's not working properly, your system may not function as efficiently as it should. While this isn't an immediate safety hazard, it's important to address the issue to prevent further damage or higher energy bills.
Affected Models
Replacement Parts
| Part | OEM Number | Est. Cost |
|---|---|---|
| Intake Sensor | 53000-31000 | — |
| Control Board | 53000-31001 | — |
Related Codes on Same Models
| Code | Description | Severity |
|---|---|---|
| 1 | Indoor/Outdoor Mismatch | Warning |
| 2 | Power Supply Phase Error | Warning |
| 3 | Communication Error | Warning |
| 4 | Inverter Error | Warning |
| 5 | Outdoor Thermistor Open/Short | Warning |
| 6 | Indoor Freeze/Overheat | Warning |
| 7 | Outdoor Freeze/Overheat | Warning |
| E6 | Indoor/Outdoor Communication Error | Warning |
| E9 | Indoor/Outdoor Communication Fault | Warning |
| P2 | Indoor Pipe Thermistor Error | Warning |