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H0548600.B - EN - 2016-05
Display
Possible causes
Soluti ons
Resetti ng
ST5 sensor error
compressor discharge
sensor
Sensor is faulty or offl ine (J7-A1
connector)
Reconnect or change the sensor
By electricity
supply
disconnecti on or
automati c if the
fault disappears
Communicati on fault
between the regulati on
board and the display
board
Bad connecti on between the A1
and A2 boards
Check the J8, J9, J7 and J4-
J5 connectors on the link cable
between the boards
By electricity
supply
disconnecti on or
automati c if the
fault disappears
Board power supply fault
Check the boards' power supply
Faulty boards
Replace the boards
4.3 I Additi onal menus
To access the menu, press
.
To browse the menus and modify the values, press
or
To exit the menu, press .
You may consult the latest faults:
You may read the values measured by the sensors and the operati on of the electronic valve and the fan.
Water temperature on intake
Air temperature
Defrost sensor
Fluid line sensor
Compressor discharge temperature
Fan operati ng speed
Opening of electronic valve
EN
