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4.2 I Error code display
Display of
ST4 sensor temperature
too low
Exchanger protection
in "cooling" mode
ST3 sensor temperature
over 60°C or evaporator
High temperature
scaled up
error on evaporator in
"cooling" mode
Cabling not respected on
the appliance's supply
terminals,
Electricity provider has
changed the order of the
Phase order fault (on
phases
three phase models
only)
Temporary disconnection
of the power supply to one
or more phases
Pressure fault in the low
pressure circuit (if problem
Cooling circuit low
persists after resetting)
pressure fault
Exchanger clogged with dirt
Insufficient water flow
Cooling circuit high
Air and water emulsion has
pressure fault
passed into the appliance
Flow switch is blocked
Compressor discharge
temperature too high
Compressor discharge
temperature fault
Sensor is faulty or offline
ST1 sensor fault -
water inlet sensor
Sensor is faulty or offline
ST4 sensor fault - fluid
line sensor
Sensor is faulty or offline
ST3 sensor fault -
Defrost sensor
Sensor is faulty or offline
ST2 sensor fault - air
inlet sensor
Possible causes
Wait until the exterior
temperature rises
Clean the evaporator, if
problem persists, call a qualified
technician
terminals (appliance switched
off )
Contact the electricity provided
to find out if your installation has
been modified.
Call a qualified technician
pass, check that the pool filter is
not clogged
circuit
Call a qualified technician
sensor
sensor
sensor
sensor
Solutions
Invert phases on power
Clean the water exchanger
Increase flow using the by-
Check the pool's hydraulic
Check the flow switch
Reconnect or change the
Reconnect or change the
Reconnect or change the
Reconnect or change the
Reset
Automatic
Automatic if ST3 sensor
temperature below 450C
By electricity supply
disconnection or by pressing
• «Steady red» LED =
automatic
• «Flashing red» LED =
press
• «Steady red» LED =
automatic
• «Flashing red» LED =
press
• «Steady red» LED =
automatic
• «Flashing red» LED =
press
By electricity supply
disconnection or automatic
if the fault disappears
By electricity supply
disconnection or automatic
if the fault disappears
By electricity supply
disconnection or automatic
if the fault disappears
By electricity supply
disconnection or automatic
if the fault disappears
EN
17
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