Daikin Error Code E5: Compressor Motor Lock
Warning: Your Daikin HVAC system has detected a compressor motor lock. It's safe to operate, but you should schedule a professional repair soon.
How to Fix Daikin Code E5
- Step 1: Turn off your HVAC system at the thermostat and the circuit breaker.
- Step 2: Call a Daikin professional technician to diagnose and repair the issue. Do not attempt to open the unit or repair it yourself.
- Step 3: If your system is still under warranty, contact Daikin's customer service for assistance.
How to Reset Daikin Code E5
- 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 E5 mean?
The Daikin E5 error code indicates that your system's compressor motor has locked up. This could be due to a few reasons, but it's typically caused by a faulty compressor or a problem with the motor's internal controls. The compressor is the heart of your HVAC system, so it's important to address this issue promptly to prevent further damage or system failure.
Affected Models
Replacement Parts
| Part | OEM Number | Est. Cost |
|---|---|---|
| Compressor motor | 45013C1401 | — |
| Compressor filter | — | — |
Related Codes on Same Models
| Code | Description | Severity |
|---|---|---|
| A1 | Indoor PCB Defective | Warning |
| A3 | Drain Level System Fault | Warning |
| A5 | Freeze-Up/Overheat Protection | Warning |
| A6 | Fan Motor Lock/Overcurrent | Warning |
| C4 | Heat Exchanger Thermistor Fault | Warning |
| C9 | Suction Air Thermistor Fault | Warning |
| E1 | Outdoor PCB Defective | Warning |
| E3 | High Pressure Switch Activated | Warning |
| E4 | Low Pressure Switch Activated | Warning |
| E6 | Standard Compressor Motor | Warning |