Alarm 330 - Current too high (To inverter)

What does 330 mean?

The current supplied to the inverter has been too high 3 times within 2 hours or continuously for 1 hour. This indicates an electrical fault with the inverter or its power supply.

• Defective inverter.
• Too high current drawn by the inverter.

Click steps to track your progress.

1. 1

   Check the main circuit breaker for the Heat Pump; if it has tripped, reset it once.

2. 2

   Turn off the Heat Pump at the main power switch for a few minutes, then turn it back on.

3. 3

   If the alarm persists, contact a qualified NIBE service technician, as this may indicate a serious electrical fault within the inverter.