KWC ONO touch light PRO 12.652.011.000 Instrucciones De Montaje Y Servicio página 28

28
Possible cause
The device is not working
Control unit is not connected to the power supply
Power supply has failed
Plug adapter is not connected to microprocessor control system
Operating unit is not connected
The water temperature is not as selected
Hot and cold water inlet pipes switched
Hot or cold water angle valve is closed or only partially open
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Boiler is empty or instantaneous water heater is not connected
Temperature limits are set incorrectly
Pressure difference between hot and cold water
inlet pipe is too great (max. 1 bar permitted)
0Q YCVGT QY
Angle valves are closed
No water supply
$NQEMGF NVGT
Control unit is not connected to the power supply
Power supply has failed
Plug adapter is not connected to microprocessor control system
Operating unit is not connected
6JG QY QH YCVGT KU PQV CU UGNGEVGF
Hot or cold water angle valve is closed or only partially open
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5CXGF YCVGT NGXGN KPUWH EKGPV
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9CVGT KU QYKPI EQPUVCPVN[
Water switches off automatically after a certain time
Maximum on time reached
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The saved water level is incorrect
The saved water level is incorrect
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Cleaning mode is activated
Control unit is damp or wet inside
Installed in incorrect location
Pipes to the valves are not properly sealed
Possible condensation on the valve housings
Operating unit (wired) is not responding
Operating unit is connected incorrectly
The operating unit is faulty
E
Remedy
connect control unit to power supply
check fuses in fuse box
connect 2 pin plug to microprocessor control system
(15V connection)
connect cable on operating unit to microprocessor
control system (TLI connection)
swap connections
fully open both angle valves
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Call a service engineer
apply the 'Factory settings' option
(see operating instructions)
fully open both angle valves
(e.g. no water pressure, main stopcock turned off)
ENGCP NVGT
connect control unit to power supply
check fuses in fuse box
connect 2 pin plug to microprocessor control system
(15V connection)
connect cable on operating unit to microprocessor
control system (TLI connection)
fully open both angle valves
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(see operating instructions)
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see operating instructions
RGTHQTO VJG dVKRnPn QY   p HWPEVKQP
(see operating instructions)
Call a service engineer
wait for 45 seconds or press the operating unit for 5
seconds
see label on the cover
Call a service engineer
no action needed
must be plugged in to TLI connection
Call a service engineer