Mitsubishi Error Code P6: Coil Freeze/Overheat Protection
Warning: Your Mitsubishi HVAC system has detected a potential issue with the coil, which could lead to system damage if not addressed.
How to Fix Mitsubishi Code P6
- Check and replace your air filter if it's dirty
- Ensure that all vents are open and unobstructed
- If the issue persists, contact a professional HVAC technician for further diagnosis
How to Reset Mitsubishi Code P6
- 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 P6 mean?
The P6 error code on your Mitsubishi HVAC system indicates that the coil freeze/overheat protection feature has been activated. This could be due to a blockage in the airflow, a refrigerant leak, or a malfunctioning sensor. The system has temporarily shut down to prevent further damage. It's important to address this issue promptly to avoid potential system failure.
Affected Models
- Puff (P-Series)
- Diamond (PJ)
- City Multi (Y)
- MSZ-AP Series
- MUZ-FE Series
- MSZ
- PUMY
- MSZ-FD
- MSZ-FT
- MSZ-FY
- MSZ-GE
- MSZ-LV
- M-Series
- P-Series
- Diamond Series
- MSZ-FS/FD Series
- MSZ-AP5 Series
- MSZ Series
- M-Series
- P-Series
- Diamond Series
- MSZ-FS
- City Multi (VRF)
- Ducted Systems
- MSZ-AS
- Diamond Plus
- MSZ-FE
- MSZ-AP
- PUMA
Replacement Parts
| Part | OEM Number | Est. Cost |
|---|---|---|
| Temperature sensor | 500-000-000-000 | — |
| Air filter | — | — |
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 |
| P1 | Intake Sensor Error | Warning |