Alarm 337 - High power load, compressor

What does 337 mean?

The power output from the inverter has been too high 3 times within 2 hours or continuously for 1 hour. This suggests the compressor is consuming excessive power.

• Poor heating medium flow.
• Defective compressor.
• Disruption in supply voltage.
• Fault in the inverter.

Click steps to track your progress.

1. 1

   Check the system's circulation pump for proper operation and ensure no blockages are restricting heating medium flow.

2. 2

   Verify that the main power supply to the Heat Pump is stable and within specified voltage limits.

3. 3

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

4. 4

   If the alarm persists, contact a qualified NIBE service technician, as this may indicate a problem with the compressor or inverter.