Yellow status lamp — Emergency mode activated

What does Yellow status lamp mean?

The heat pump is in emergency mode. This is usually activated by a fault or when using the switch on the front panel. In this mode, the compressor is off and an immersion heater is used for heating. Hot water is not produced.

• System fault requiring emergency operation
• Manual activation via the switch

Click steps to track your progress.

1. 1

   Check the display for specific error messages.

2. 2

   If the emergency mode was activated manually, switch the unit back to normal operation.

3. 3

   If the fault was not the cause, contact your installer.