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4.2 I Error code display
Display
Exchanger protecti on in cool
mode
High temperature error
on evaporator in "cooling"
mode
Phase order fault (on three
phase models only)
Low pressure fault on
cooling circuit
Cooling circuit high pressure
fault
Compressor discharge
temperature fault
ST1 sensor fault water
intake sensor
ST4 sensor fault fl uid line
sensor
ST3 sensor fault Defrost
sensor
ST sensor fault air intake
sensor
13
Possible causes
ST4 sensor temperature
too low
ST3 sensor temperature
over 60°C or evaporator
scaled up
Cabling not respected on
the appliance's supply
terminals,
Electricity provider has
changed the order of the
phases
Temporary disconnecti on
of the power supply to one
or more phases
Pressure fault in the low
pressure circuit (if problem
persists aft er resetti ng)
Exchanger clogged with dirt
Insuffi cient water fl ow
Air and water emulsion
passed into the device
Flow controller blocked
Compressor discharge
temperature too high
Sensor is faulty or offl ine
(J12-A1 connector)
Sensor is faulty or offl ine
(J8-A1 connector)
Sensor is faulty or offl ine
(terminals 1-2 connector
J3-A2)
Sensor is faulty or offl ine
(terminals 3-4 connector
J3-A2)
Soluti ons
Wait unti l the exterior temperature
rises
Clean the evaporator, if problem
persists, call an approved technician
Invert phases on power terminals
(appliance switched off )
Contact the electricity provided to
fi nd out if your installati on has been
modifi ed.
Call an approved technician
Clean the water exchanger
Increase fl ow using by-pass, check
that the pool fi lter is not clogged
Check the pool's hydraulic circuit
Check the fl ow controller
Call an approved technician
Reconnect or change the sensor
Reconnect or change the sensor
Reconnect or change the sensor
Reconnect or change the sensor
Resetti ng
Automati c
Automati c if
ST3 sensor
temperature
below 45°C
By electricity
supply
disconnecti on or
by pressing
Automati c (if
fewer than 4
faults per hour)
faults per hour)
or press
Automati c (if
fewer than 4
faults per hour)
faults per hour)
or press
Press
for 3
seconds
Cut power or
Cut power or
press
By electricity
supply
disconnecti on or
automati c if the
fault disappears
Cut power or
Cut power or
press
Cut power or
Cut power or
press
H0548600.B - EN - 2016-05
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