What to do if a fault occurs

What to do if a fault occurs

The control unit has an advanced monitoring system that gives alarms if anything unforeseen happens. Most alarms correct themselves. There is never a risk of affecting something when you reset an alarm once or twice. In the event of recurring alarms, contact your dealer/service technician.

Example of an alarm:

When an alarm is triggered, an alarm window is displayed and a warning signal sounds. The alarm window displays the alarm cause and the time and date that the alarm occurred.

When you press the menu dial and Acknowledge is marked, the alarm symbol disappears from the menu window and the alarm log, and the warning signal is muted. The heat pump starts again within 15 minutes if heating is required. If the fault has not been rectified the lamp will remain lit and the status lamp will stop flashing red and will light red continuously. Should several alarms have occurred on the heat pump, view the alarm log where all alarms are listed. For active alarms, the alarm symbol is lit.

Time when the alarm occurred

Alarm cause

Date when the alarm occurred

Alarm symbol

Note

Dimmed menu display

Possible cause 1: Blown fuse in the house’s fuse box/distribution box.

Action:

1.

Check the fuses in the house’s fuse box.

 

2.

Replace the fuse / reset the circuit breaker if necessary.

 

3.

The heat pump automatically returns to operating mode

 

 

within 15 minutes after the fault has been rectified.

Possible cause 2: Glass fuse in the control cabinet or in electric boiler

 

290 A/W has blown.

Action:

1. Contact your dealer.

If you have deactivated the alarm buzzer under Advanced menu no warning signal is heard.

Emergency operation

On the inside of the control cabinet (in case of electric cassette or mixed additional heat) there is a switch that lights green during normal operation. If a fault occurs in the control unit and heating production stops, emergency operation can be activated manually using the switch, which then goes out. Emergency operation can also be activated automatically (and then the switch lights anyway).

Emergency operation is also available for the electric element in 290 A/W, see the user guide for 290 A/W.

Additional heat takes over the heating production during emergency operation. Heating can therefore be obtained until the dealer or authorised service techni- cian has remedied the fault.

This function must not be confused with Alarm mode, which means that the compressor stops, for safety, due to an active alarm. Heating production is still controlled by the control unit.

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Optima Company 600 - 1700 What to do if a fault occurs, Dimmed menu display, Emergency operation, Example of an alarm

600 - 1700 specifications

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