Error
The unit does not appear in
the selection list in VistaCon-
fig
The unit appears in the Vista-
Config selection list, but con-
nection is not possible
Error message "E2490"
14.3
Fault on the unit
Error
Unit does not switch on
Unit switches off again after a
short time
Unit is on, but there is no dis-
play on the touch screen
2142100008L41 2202V007
Possible cause
Unit is connected downstream
of a router
The IP address of the unit is
being used by another unit
Subnet masks of the computer
and the unit do not match
The connection to the unit was
interrupted while the software
was still attempting to communi-
cate with the unit
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
Touch screen initialization fault
Touch screen brightness set too
dark
Touch screen defective
Troubleshooting
Remedy
Configure the IP address with-
❯
out an intermediate router on
the unit.
Reconnect the router.
❯
Manually enter the IP address
❯
in VistaConfig and register the
unit.
Check the network settings
❯
(IP address and subnet mask)
and assign a unique IP
address to each unit.
Inform a service technician, if
❯
the problem persists.
Check subnet masks, adjust if
❯
necessary.
Restore the connection to the
❯
unit.
Repeat the process.
❯
Remedy
Check the mains cable and
❯
plug connection and replace if
necessary.
Check the power supply unit.
❯
If the green status LED does
❯
not light up, replace the
power supply unit.
Check the mains fuse in the
❯
building.
Contact technician.
❯
Check the mains cable and
❯
plug connections.
Contact technician.
❯
Check the mains supply volt-
❯
age.
Switch the unit off and on
❯
again.
Update firmware.
❯
Increase the brightness of the
❯
touch screen.
Contact technician.
❯
EN-
US
45