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WARNING: Under normal conditions, a suitable heat pump can heat the water in
a swimming pool by 1°C to 2°C per day. It is therefore quite normal to not feel any
temperature difference in the system when the heat pump is working.
A heated pool must be covered to avoid any loss of heat.
7.1
Breakdowns and faults
In the event of a problem, the heat pump's screen displays an error code instead of temperature
indications. Please consult the table below to find the possible causes of a fault and the actions to
be taken.
Code
Fault
Water intake temperature sensor
P1
malfunction
Evaporator temperature sensor
P3
malfunction
External temperature sensor
P5
malfunction
Antifreeze protection
P7
Flow sensor malfunction
E3
The unit stop working without
error code
18 | EN
7. Repairs
Possible causes
Sensor badly connected
Sensor defective
Defective control panel
Same causes as P1
Protection activated when the ambient
temperature is too low.
Insufficient water in heat exchanger
Defective water flow sensor
Defective control panel
Insufficient water in heat exchanger
Defective control panel
Action
Reconnect sensor
Replace sensor
Replace control panel
Same actions as P1
No intervention is necessary
Check your water circuit operation
Replace water flow switch
Replace control panel
Check your water circuit operation
Replace control panel
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