U1 - Direct cut operation triggered

What does U1-2 mean?

The unit has performed a "direct cut" shutdown, indicating a protective measure due to an detected internal fault. This could be related to electrical stability or sensor readings.

• Unstable power supply.
• Internal control board malfunction.
• Safety sensor activation.

Click steps to track your progress.

1. 1

   Power cycle the unit by turning off its dedicated circuit breaker for 30 seconds.

2. 2

   Restore power and observe if the error clears.

3. 3

   If the error persists, contact a qualified service professional to diagnose the internal components.