Alarm Z1 5585 - Low pressure sensor detected problems in brine circuit

What does 5585 mean?

This alarm indicates that the low pressure sensor has detected persistent problems in the brine circuit, triggered after repeated warnings. This alarm is only active when the Heat Pump is operating in cooling mode.

• Insufficient brine circulation.
• Air in the brine system.
• Low brine level.
• Clogged brine system filter.

Click steps to track your progress.

1. 1

   Note the alarm code 5585.

2. 2

   If safe and accessible, check for any visible air in the brine system's transparent sections.

3. 3

   Contact a qualified Bosch Heat Pump installer or service technician for diagnosis and repair.