20
ST5 sensor fault -
compressor discharge
sensor
Sensor is faulty or offline
Reconnect or change the
sensor
By electricity supply
disconnection or automatic
if the fault disappears
Communication
fault between the
regulation board and
the display board
Bad connection between
the boards
Check the connectors on the
link cable between the boards
•
«Steady red» LED =
automatic
•
«Flashing red» LED =
press
Board power supply fault
Check the boards' power
supply
Faulty boards
Replace the boards
Condenser protection
ST1 sensor temperature
too low
Wait until the water temperature
rises (above 35°C) or switch to
“Hot” mode if the appliance is in
“Cooling”mode
Automatic
4.3 I Lighting of LEDs on the printed circuit board
LED1
LED2
LED3
LED4
LED5
No errors
Appliance
switched off
No errors
Appliance in
operation
Error 01
Error 02
Error 03
Error 04
Error 05
Error 06
Error 07
Error 08
Error 09
Error 10
Error 11
Error 12
Error 13
: LED steadily lit
: LED flashing
Empty
: LED off
4.4 I Wiring diagrams
Wiring diagrams are available at the end of the document see ‘’Schémas électriques / Wiring
diagrams / Schaltplan / Elektrischschema / Esquema eléctrico / Esquema eléctrico / Schema
elettrico’’
EN
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