Unit installation

11
 retighten these connections one turn to avoid penetration of foreign bodies into the condenser,
 cover the heat pump with a micro-breathing overwintering cover (optional accessory, see §3.2).
2. Troubleshooting
2.1 Statuses and faults of the regulator
2.1.1 Statuses
Display Cause Solution Reset
1 - filtration pump off
2 – water flow in the
appliance not enough,
3- flow switch defective
or disconnected.
1- clean the filter and start the
filtering
2- check the adjustment of the
valves,
3- test the continuity of the flow
switch and the connection of
terminals 7 and 8 of card B1
Automatic
after timer
(alternating with
)
Outside temperature too
low (ST2 < to + 5 °C) for
probe reading, see
§2.1.3
Wait for the outside temperature
to increase naturally
Automatic
2.1.2 Faults
Display Designation Cause Solution Reset
Control
sensor fault
(ST1)
Sensor defective or
disconnected
(terminals 2-3 of
the plate B1)
Replace or reconnect
the sensor
Switch the power
supply off or press
if “dSr” flashes
Antifreeze
sensor fault
(ST2)
Sensor defective or
disconnected
(terminals 1-3 of
the plate B1)
Replace or reconnect
the sensor
Switch the power
supply off or press
if “dSA” flashes
Defrost
sensor fault
(ST3)
Sensor defective or
disconnected
(terminals 4-6 of
the plate B1)
Replace or reconnect
the sensor
Switch the power
supply off or press
if “dSd” flashes
Refrigerant
circuit low
pressure
fault
Insufficient
refrigerant (if the
fault persists after
clearing)
Contact an approved
technician to detect
the leak and top up
the refrigerant
Automatic
(if less than 4 “dbP”
or “dHP” faults per
hour) or press if
“dbP” flashes
The indicator remains on for 2 minutes after one of the messages indicated above.
The fault , alternating with the pool water temperature, does not block operation
of the heat pump.
The indicator remains on for 2 minutes after the message or
To avoid damaging the appliance with condensation, do not cover it hermetically.