14.3
Fault on the unit
Error
Unit does not switch on
Unit switches off again after a
short time
Loud operating noises after
switching on lasting for more
than 30 seconds
Unit not responding
Unit is on, but there is no dis-
play on the touch screen
2151100018L40 2012V016
Possible cause
No mains voltage
On/off switch is defective
Mains cable or power supply
unit plug not inserted correctly
Hardware defect
Mains supply voltage too low
Radiation deflector defective
The unit has not yet completed
the startup procedure
Unit is blocked by the firewall
Touch screen initialization fault
Touch screen brightness set too
dark
Touch screen defective
Troubleshooting
Remedy
❯ Check the mains cable and
plug connection and replace if
necessary.
❯ Check the power supply unit.
❯ If the touch screen does not
light up, replace the power
supply.
❯ Check the mains fuse in the
building.
❯ Contact technician.
❯ Check the mains cable and
plug connections.
❯ Contact technician.
❯ Check the mains supply volt-
age.
❯ Contact technician.
❯ After switching the unit on,
wait 20 - 30 seconds for the
startup procedure to be com-
pleted.
❯ Enable the ports for the unit in
the firewall settings.
❯ Switch the unit off and on
again.
❯ Update firmware.
❯ Increase the brightness of the
touch screen.
❯ Contact technician.
EN-
US
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