Mitsubishi Error Codes
20 Error Codes
| 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 |
| P2 | Indoor Pipe Thermistor Error | Warning |
| P4 | Drain Sensor Error | Warning |
| P5 | Drain Pump Error | Warning |
| P6 | Coil Freeze/Overheat Protection | Warning |
| P8 | Pipe Temp Error | Warning |
| U1 | High Pressure Trip | Warning |
| U2 | Low Voltage/Overcurrent | Warning |
| U3 | Discharge Thermistor Short/Open | Warning |
| U4 | Outdoor Thermistor Short/Open | Warning |
| U5 | Abnormal Condenser Temp | Warning |
Models
City Multi (VRF)
City Multi (Y)
Diamond (PJ)
Diamond Plus
Diamond Series
Diamond Series
Ducted Systems
M-Series
M-Series
M-Series
M-Series
M-Series
MSZ
MSZ
MSZ Series
MSZ-AP
MSZ-AP
MSZ-AP Series
MSZ-AP5 Series
MSZ-AS
MSZ-AS
MSZ-AS
MSZ-FD
MSZ-FD
MSZ-FE
MSZ-FE
MSZ-FE
MSZ-FS
MSZ-FS
MSZ-FS
MSZ-FS
MSZ-FS
MSZ-FS
MSZ-FS
MSZ-FS/FD Series
MSZ-FT
MSZ-FY
MSZ-GE
MSZ-GE
MSZ-GE
MSZ-LV
MUZ-FE Series
P-Series
P-Series
P-Series
P-Series
P-Series
P-Series
P-Series
P-Series
P-Series
Puff (P-Series)
PUMA
PUMY
PUMY
PUMY