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Troubleshooting
6.2 Problems, possible causes and suggested solutions
Problem
The device does not
start.
The sensor keys are
difficult to operate.
The device is unsta-
ble.
Loud / abnormal nois-
es can be heard during
operation.
70
Possible cause
No power supply
Moisture or soiling
on the control
panel
Unfavourable oper-
ation
Insufficient fixation
of the device
Insufficient fixation
of device compo-
nents / small parts
Suggested solutions
Make sure that the device is fully and
properly connected, as described in
the relevant sections.
Check whether a fuse /
circuit breaker has tripped.
Make sure that the control panel is
completely clean and dry.
Note that a thin film of moisture may
not be visible.
Operate the keys with the ball of your
finger as described in the corre-
sponding section.
Follow the instructions in the mount-
ing chapter,
check the device and its suspension
and tighten any loose screws
if necessary.
Check that all device components
and small parts are securely fas-
tened and fix them well if necessary.
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