KWC ONO touch light PRO Instructions De Montage Et D'entretien page 26

26
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
- *QV QT EQNF YCVGT RKRG KU DNQEMGF QT DGPV
- 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
- *QV QT EQNF YCVGT RKRG KU DNQEMGF QT DGPV
- 5CXGF YCVGT NGXGN KPUWH EKGPV
9CVGT KU QYKPI EQPUVCPVN[
- 9CVGT KU QYKPI EQPUVCPVN[
Water switches off automatically after a certain time
- Maximum on-time reached
- +PFKXKFWCNN[ UCXGF YCVGT NGXGN JCU DGGP TGCEJGF
The saved water level is incorrect
- The saved water level is incorrect
1RGTCVKPI WPKV CUJGU ITGGP GXGT[  UGEQPFU
- 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
 TKPUG QWV RKRGU CPF ENGCP NVGTU
- 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
 TKPUG QWV RKRGU CPF ENGCP NVGTU
 CRRN[ VJG n(CEVQT[ UGVVKPIUo QRVKQP
(see operating instructions)
 %CNN C UGTXKEG GPIKPGGT
- 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