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Installation and operation manual WP
P02
Fault in the water outlet temperature sensor.
Solution:
-Check the calibration of the water inlet and outlet valves
-Make sure the sensor wires are connected to the electronic board
-Check that the sensor is correctly installed on the hydraulic heat
exchanger
-Check the condition of the sensor, make sure that the cable is not damaged
or cut
after the checks, if the error code remains set, replace the sensor
P03/P04
Fault in the ambient air temperature sensor.
Solution:
-Make sure the wires are properly connected to the electronic board
-Check that the sensor is correctly fitted on the machine's rear grill
-Check the condition of the sensor, make sure that the cable is not damaged
or cut
after the checks, if the error code remains set, replace the sensor
P05
Fault in the refrigerant evaporation temperature sensor in the copper lug
at the bottom of the evaporator.
Solution:
-Make sure the wires are properly connected to the electronic board
-Check that the probe is well installed on the terminal at the bottom of the
evaporator
-Check the condition of the sensor, make sure that the cable is not damaged
or cut
after the checks, if the error code remains set, replace the sensor
P06
Significant temperature difference between the water inlet and the water
outlet or fault in the electronic board PCB
Solution:
-Check the setting of your water inlet and outlet valves
-Check the water inlet and outlet sensors
(see error codes P01/P02)
-Water flow rate too low or flow switch is stuck in the closed position. (see
error code E03)
After the checks, if the error code remains set, replace electronic board PCB
P07
Fault in the air intake temperature sensor.
Solution:
-Make sure the wires are connected to the electronic board
-Check the condition of the sensor, make sure that the cable is not damaged
or cut
-After the checks, if the error code remains set, replace the temperature
sensor
-If there is no sensor in this location and the error code remains set, install
a 6.8 kΩ resistor
If you encounter a fault with an F code, please contact our technical service.