Others
Problem Cause & Solution Page
The product does not
work with correct
operations.
The product does not
work properly.
R Perform the following operations.
→ Press the MRESETN button on the bottom side of the main monitor
with a pointed object. (Recorded images and configured settings
are not affected.)
6
The main monitor does
not work properly.
R Nothing is displayed
on the monitor.
R The ringtone does not
sound.
R Voices cannot be
heard.
R Check the power connection.
–
R If the power is connected, there may be a problem with the electrical
wiring.
→ Contact an authorised service centre.
8.2 Error messages
When using devices for the first time or registering devices
Display Cause & Solution Page
SYSTEM IN USE
R You tried to monitor with the lobby station or call an extension
telephone while another main monitor in a separate apartment is
monitoring, talking, or receiving a call from the lobby station.
→ Try again later when the lobby station is not in use.
R You tried to monitor with the lobby station again within about
10 seconds of finishing monitoring.
→ Wait until more than 10 seconds have passed before trying to
monitor with the lobby station.
–
17
8. Troubleshooting
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