Code
Description
Checking / solution
The evaporator temperature sensor has short-
circuited
Important
Domestic hot water production is en
sured by the back-up, if the back-up is
authorised
Bad connection
Check whether the sensor is connected
Check the link and the connectors
Check that the sensor has been correctly fitted
Sensor failure
Check the Ohmic value of the sensor
Replace the sensor if necessary
The evaporator temperature sensor is open
Important
Domestic hot water production is en
sured by the back-up, if the back-up is
authorised
Bad connection
Check whether the sensor is connected
Check the link and the connectors
Check that the sensor has been correctly fitted
Sensor failure
Check the Ohmic value of the sensor
Replace the sensor if necessary
Malfunction on the defrosting function
Important
Domestic hot water production is en
sured by the back-up, if the back-up is
authorised
Check activation of the defrosting solenoid valve
Check the position of the temperature sensor in
the evaporator
Check that the fan is working correctly
Check that the condensates can flow freely
The LP pressure switch alarm has been active for
more than 120 seconds
Important
Domestic hot water production is en
sured by the back-up, if the back-up is
authorised
Check the position of the temperature sensor in
the evaporator
Check that the fan is working correctly
Check that the condensates can flow freely
The low pressure pressure switch alarm has been
tripped more than three times during the last 24
hours
Important
Domestic hot water production is en
sured by the back-up, if the back-up is
authorised, or if necessary, by manual
activation.
Check the position of the temperature sensor in
the evaporator
Check that the fan is working correctly
Check that the condensates can flow freely
Check the refrigerant load
9.2
Log of messages and faults
The
menu is used to consult the 16 most recent messages and
16 most recent faults displayed by the control panel.
1. Press the MENU key once.
The
menu is displayed.
Fig.44
C003203-E
1x
3
1
4
3
4
1
2
MENU
MODE
9 Troubleshooting
54
300026515 - v10 - 28082018