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Evaporator clogged or obstructed.
AL05
Low-pressure fault on the
Ventilated air fault.
cooling circuit
Cooling fault.
AL06
No flow or low flow rate in the dehumidifier
Heating water flow fault
circuit.
Failure to correctly observe the cabling on
the appliance supply voltage terminal.
AL07
Phase sequence fault (on
Electricity provider has changed the
three-phase models only)
sequence of the phases.
Temporary disconnection of the power
supply to one or more phases.
AL09
Pool water temperature inside the
Antifreeze
condenser (ST1) too low (≤ 0 °C).
Outside temperature is too low < -8°C.
AL10
Condition has an impact on the appliance
Operating limit
cooling cycle. Only the electric heater is
(pool heating)
heating the dehumidifier circuit.
The sensor on the evaporator (ST3) has
AL11
reached a temperature reading of -5°C for
Defrosting
60 seconds. Defrost mode is required.
• The appliance has remained
AL12
RTC discharged/broken
• RTC broken
AP01
• The component has reached the number
Circulating pump
operating hours
• Component may require handling.
AP02
• The appliance will continue to operate
Pump operating hours
AR01
Resistor 1 operating
• The component has reached the
hours
AR02
• Component may require handling.
• The appliance will continue to operate
Resistor 2 operating
hours
ES01
ST1 pool heat exchanger
input temperature sensor
ES02
ST2 outside temperature
sensor
ES03
Sensor is faulty or disconnected.
Evaporator temperature
sensor ST3
ES04
Plate exchanger inlet
temperature sensor ST7
ES05
Plate exchanger outlet
temperature sensor ST8
Possible causes
disconnected from the power supply for
more than 72 hours = RTC discharged
of operating hours.
number of operating hours.
Solutions
Clean the evaporator and remove any
obstacles in front of the evaporator.
Check that the fan is operating
correctly.
Call a qualified technician.
No alarm (shunt between terminals 20-21).
Invert the phases on the supply voltage
terminal (appliance disconnected from the
power supply).
Call a qualified technician, who will
contact the electricity provider to find out
if any changes have been made to your
installation.
Make sure filtration is running properly
(if defective, drain out the condenser, to
prevent from icing).
Wait until the outside temperature rises (>-
8°C) to restart the cooling cycle, especially
for pool heating.
Wait for the defrost cycle to end.
• Reconnect the appliance power supply
and update the date and time (see
§"2.3.5 Adjusting the heat pump timer
(RTC)").
• If this fails, contact the Zodiac® Technical
Department
The appliance will continue to operate
The appliance will continue to operate
Reconnect or change the sensor.
EN
16
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