18 | EN
7. Repairs
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 nd the possible causes of a fault and the actions to
be taken.
7.1 Breakdowns and faults
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 dierence in the system when the heat pump is working.
A heated pool must be covered to avoid any loss of heat.
Code Fault Possible causes Action
E0
Ambient temperature protection
Ambient temperature is too high or
too low
/
E1
Exhaust temperature protection Exhaust temperature is too high Check your water circuit operation
E3
Flow sensor malfunction
Insucient water in heat exchanger Check your water circuit operation
Defective water ow sensor Replace water ow switch
Defective control panel Replace control panel
P1
Water inlet temperature sensor
malfunction
Sensor badly connected Reconnect sensor
Sensor defective Replace sensor
Defective control panel Replace control panel
P3
Coil temperature sensor malfunction
Same actions as P1 Same actions as P1
P4
Exhaust temperature sensor
malfunction
P5
Ambient temperature sensor
malfunction