32
FOR THE USER
ALARM
Power failure
040622 16.08.15
Info Ackn.
What to do if a fault occurs
The control unit has an advanced monitoring system that gives alarms if
anything unforeseen happens in the heat pump. Most alarms are rectifi ed
by you the user and there is never any risk that you can damage anything
in the heat pump when you reset an alarm.
If a room sensor is installed the lamp on this will come on when the heat
pump gives an alarm.
Examples of an alarm:
Info button:
When you press the Info button and turn the menu dial, information is
displayed as well as possible actions to rectify the alarm.
Ackn. button:
When you press the Ackn. Button, the alarm lamp on the control panel
goes out and the heat pump starts again within 15 minutes if there is a
heating requirement. If the fault has not been rectifi ed the lamp will remain
lit. Should several alarms have occurred on the heat pump, turn the menu
dial clockwise to fi nd out more information about each alarm.
Cause.
Date when the
alarm occurred.
Time when the alarm occurred.
Info Acknowledge
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 if necessary. If miniature circuit-
breakers have tripped these are reset by pushing
up the toggle switch.
3. The heat pump automatically returns to its
operating mode 15 minutes after the fault has been
rectifi ed.
Possible cause 2: The heat pump’s miniature circuit-breaker has
tripped.
Action: 1. Reset the heat pump’s miniature circuit-breaker by
pushing up the centre toggle switch.
2. The heat pump automatically returns to its
operating mode 15 minutes after the fault has been
rectifi ed.
Miniature circuit-
breaker for HT
Plus C
Miniature circuit-
breaker for HT
Plus E
Note
For technical reasons the heat pump
does not restart until 15 minutes after
a stoppage.
What to do if a fault occurs
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