Warning Z1 Internal compressor driver fault 1 — Over-current detected

What does 5394 mean?

This warning is triggered by the inverter if it detects over-current (> 42 A DC) to the compressor for more than 20 microseconds. It resets automatically after 4 minutes if the condition is resolved.

• Break, interruption, or short-circuit in the cabling between the inverter and the compressor.

Click steps to track your progress.

1. 1

   Inspect and check the cabling between the inverter and the compressor for any damage or loose connections.

2. 2

   Ensure all connections are secure and properly seated.

3. 3

   If cabling appears intact, consider the possibility of an internal inverter issue (refer to code 5395).