33
1007332 ISSUE 1
These codes indicate machine stopping due to external circumstances�
These are not faults wi e heat pump�
NO� Display Reason Solution
1 E3 No water flow rough e heat pump. Check water circuit and pool pump.
2 E4 Three phase rotation protection.
Check phases connected correctly
(Electrician required)
3 E5
Voltage of power supply to heat pump is
out of range.
Check e power supply.
4 E6
Low water flow indicated by more
an 10°C difference in inlet and outlet
temperature.
Check water flow and pool pump.
5 Eb
Ambient temperature is out of range,
eier lower an -5°C (-10°C HPP 18,
24, 30 versions) or higher an 43°C.
If outside, wait for ambient conditions to
improve (winterisation may be required). If
installed in a sheltered place, check for air
recirculation.
5 Ed
Frost protection. The heat pump runs in
heating mode for a short time when in
standby mode to prevent frost build up.
This does not replace winterisation.
Heat pump will resume standby once
process is completed.
5�2 PROTECTION CODES
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