11
Display
Designation
Cause
Solution
Reset
(alternating with
)
Water flow-
rate sensor
fault
(ST4)
Sensor defective or
disconnected
(terminals 4-5 of the
plate B1)
Replace or
reconnect the
sensor
Switch the power
supply off and then
back on again or
automatic if the
fault disappears.
Refrigerant
circuit
pressure
fault
High or low pressure
fault tripped while
fault “ESt4”
Cancel the fault
“ESt4”
Automatic
(if less than 4
“dbP” or “dHP”
faults per hour) or
press
if “ESt4”
flashes
Defrost cycle
time
exceeded
Defrost cycle too
long (> 1 hour):
- excessive ice
formation on the
evaporator (low
temperature with
evaporator blocked
or no ventilation
during the defrost
cycle).
- incorrect ST3
sensor value (see
§2.1.3)
Cancel the fault,
then check that the
defrost cycle
operates correctly.
In case of repeated
fault: contact an
approved
technician to check
for the presence of
an adequate
quantity of
refrigerant gas in
the appliance.
Switch the power
supply off or press
if “dtd” flashes
(case after stand-by
following regulator
start up by pressing
)
EEPROM
fault
(micro-
processor)
The parameters data
in the controller chips
are damaged
Change the
regulator
Switch the power
supply off and then
back on again
2.1.3 Display the values of sensors ST1-ST2-ST3 and ST4
enter into the parameter: press 3 seconds on
=>
press on
to view the value, and return by pressing again on
,
display
=>
=>
by pressing
.
quit: press 3 seconds on
or automatic after a time period of 70 seconds without touching the
regulator.
2.2 Malfunctions of the appliance
2.2.1 The appliance does not work
Causes
Verification / solution
No display
Check the supply voltage and the fuse
The pool temperature is above the temperature
setpoint.
Increase the temperature setpoint.
A message is on the screen.
Check the meaning of message §2.1
- the
key is disabled in this menu.
