5362 - Bosch Heat Pump Z1 overvoltage information message

What does 5362 mean?

This information message appears if the DC bus voltage in Bosch Heat Pump zone 1 exceeds 440 V for more than 30 seconds. The message typically resets after 4 minutes if the DC bus voltage drops below 380 V.

• High input AC current to the Heat Pump system.
• Temporary electrical fluctuation or surge in the main power supply.

Click steps to track your progress.

1. 1

   Note if there have been any recent electrical surges or power fluctuations in your home.

2. 2

   Observe the Heat Pump's behavior to see if the voltage returns to normal and the message clears automatically.

3. 3

   If this message appears frequently or persists, contact your electricity supplier for investigation of your home's main input voltage.