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Appendix
Malfunctions and Troubleshooting
In case of malfunctions, first try to find the possible cause and to solve the problem according to the following table.
Power failure
The device cannot be operated in the case of a power failure. The internal watch will stop. All other settings are retained so that the former state is resumed as soon as power is supplied again. You will then only have to set the watch again (see page 10).
Problem Possible cause Solution / recommendation
No display. AC adapter not plugged in. Check all cables and connections. Check the device at another power outlet.
Adjust the display contrast. Display is weak or too dark. Display contrast setting changed.
No tone.
OGM symbol blinks.
No answering of calls, no 2way conversation recording.
No OGM recorded.
Connecting cable has no contact.
Record an OGM.
Check all cables and connections.
No answering of calls if operated with a telephone system.
Humming sounds or other interferences during playback.
No ringing signal set. Check the telephone system's programming parameters.
Interference source nearby the device, e. g. a cordless telephone, monitor or similar.
Install in a different place.
No incoming message recording.
No answering of calls, no function of a post-connected telephone.
You have selected an OGM without incoming recording
(announcement only).
Wrong connecting cable, wrong wiring of the junction box.
Select another OGM or record new OGM.
Only use original cables, check junction boxes (possibly ask an expert for support).
Wrong or no connection when operated with a telephone system.
You have not entered the exchange identification code, the telephone system does not support tone dialling.
Enter exchange identification code.
34
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