Error 370 — Temporary communication loss after power cut

What does Error 370 mean?

This error appears on the display if the electrical power supply to the heat pump was interrupted during operation. It indicates a temporary loss of communication between the outdoor and hydraulic units.

• Electrical power failure.
• Accidental pressing of the on/off switch on the hydraulic unit.
• An unprogrammed or unexpected power cut to the appliance.

Click steps to track your progress.

1. 1

   Do not be concerned, as this error usually resolves itself automatically.

2. 2

   Wait a few moments for the communication between the outdoor and hydraulic units to re-establish.

3. 3

   Ensure the main power supply to the heat pump is stable and not being interrupted.