Graf one2clean+ - Page 29

8. Fault messages and rectification
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Display LCD
Possible cause
Corrective action
KL24plus
tered in the Service
menu are too high
 Air compressor defec-
tive
 Temperature sensor
defective
**Fault** Temp Sensor
 Temperature sensor is
missing
 Temperature sensor is
not fully plugged into the
socket
 Temperature sensor
defective
 Replace sensor
 Ensure secure connection between con-
troller and temperature sensor. Then
power off controller for 10 sec. and switch
it back on. Check whether a temp sensor
fault message is displayed.
**Fault** Power failure
 Power failure
 Plant switched off via
maintenance switch
 No voltage on the switch
cabinet
 FI fuse has blown
 Wait for power to return
 Switch plant on via maintenance switch
 Check supply to the switch cabinet
 Locate cause for triggering the RCCB and
correct it (possible cause: solenoid valve
defective).
**Fault** Modem
 Batteries in the module
are not yet fully charged
 Modem has no mains
voltage
 No SIM card inserted in
the modem
 SIM card is not regis-
tered to the network
 Wait 5 minutes until batteries are fully
charged
 Connect modem to power
 Insert SIM card in the modem
 Wait until the card is registered. Other-
wise relocate antenna so that reception is
possible.