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INSTALLER
7 & 11kW HRC
70
HIGH TEMPERATURE HEAT PUMP
MANUAL
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41
6.7 - Compressor start-up faults
GREEN light
RED light
Possible causes
Solutions
On
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Running normally
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Flashing
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• Insufficient voltage
• Check the power supply voltage on the
heat pump: it must be over 200 volts
(minimum)
2 flashes
• Abnormal drop in voltage during start-up
• Insufficient power grid voltage
• Check the compliance of the power supply
from the general meter to the heat pump
• Contact your electricity provider to ensure
that power grid sizing is adapted
3 flashes
• Over-current at start-up
• Contact an AUER-approved technical centre
4 flashes
• Internal starter defect
• Replace starter
5 flashes
• Start-up process incomplete
• Check the power supply to the heat pump
before and during start-up.
It must not drop below 200 volts
N.B:
The swimming pool sensor error is only signalled when the ohmic value is too low. The absence of a swimming pool sensor does not
generate a fault because it either means that there is no swimming pool or that the swimming pool function has been deactivated.
6.8 - Alerts and errors which are signalled by the appliance
Faults are signalled by the back-lighting fl ashing and a sound signal.
Press the dial to stop the sound signal. The alarm will stop but the error will still be displayed.
If it is an automatic reset fault, the signal will disappear once the problem has been rectifi ed.
If it is a manual reset fault, rectify the problem and then press on the dial to make the signal disappear. Manual reset faults are indicated with
the following symbol:
To view the list of errors and fi nd out how to rectify them, please refer to: "Operating errors" and "Error message codes".
