6 Regular checks
6.1 Checking operation
During normal operation, the alarm indicator lights green continuously
to show that everything is OK. When the alarm is triggered, it flashes
green at the same time as a text message is shown in the display.
Regularly check the alarm indicator
to ensure that the installation is
working correctly. In event of alarm
the heat pump will if possible supply
heating to the house, primarily with
the compressor, secondarily with the
auxiliary heater. Hot water will stop
to indicate that something notewor‐
thy has occurred.
In event of alarm this is indicated in the display with the text ALARM
and an alarm message. The potential alarm messages are:
Message Meaning
HIGH PRESSURE
ERROR
The heating circuit is the heat pump's high pressure cir‐
cuit.
Check, and, if necessary, rectify the circuit level as
below. Reset the alarm as follows
LOW PRESSURE
ERROR
The brine circuit is the heat pump's low pressure circuit.
Contact the service technician.
24 – User manual 086L0130 Rev. 1 EN
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