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Fault
Possible cause/action
No function
If the device has been disrupt-
ed by a thunderstorm, a static
charge or another external fac-
tor, follow this procedure to re-
solve the problem: Disconnect
the mains adapter and then plug
it in again.
The alarm does
not sound at the
time set
Check the alarm time set
Check whether the alarm has
been activated. The
symbol
must be shown on the display.
14. Cleaning
Always pull the mains adapter out from the socket before
cleaning the device.
Only use a dry, soft cloth to clean the device. Do not use
chemical solutions or cleaning products because these may
damage the device’s surface and/or inscriptions.