Info Z1 overvoltage — Supply voltage exceeds 400 V

What does 5362 mean?

This information message indicates that the supply voltage to the Heat Pump has exceeded 400 V for more than 30 seconds. It automatically resets after 4 minutes if the voltage drops below 380 V.

• Too high incoming voltage to the Heat Pump.
• Poor contact in main fuses.

Click steps to track your progress.

1. 1

   Check the main fuses for any signs of poor contact or damage.

2. 2

   If overvoltage warnings are repeated, contact your electricity supplier immediately to report consistently high incoming mains voltage.

3. 3

   Do not attempt to modify electrical supply components yourself.