YOKOGAWA MuR10000 Manual page 226

10.2 Troubleshooting Flow Charts
10-6
Display and other functions do not work properly.
Is the input free of noise?
YES
Contact your nearest
YOKOGAWA dealer.
Keys do not work.
Is the key lock released?
YES
Contact your nearest
YOKOGAWA dealer.
Some of the menus are not displayed.
Unable enter Basic Setting mode.
Is the customize
menu released?
YES
Contact your nearest
YOKOGAWA dealer.
• Separate the input and
NO
communication wiring from the
noise source.
• Ground the recorder properly.
• Use shielded cables for input and
communication wiring.
• Insert an isolation transformer
into the power line.
• Insert a power line filter into the
power line.
• If an inductive load is connected
to an alarm contact output, use a
surge suppresser on that line.
Release the key lock using the
NO
FUNC key (see section 3.13).
Disable the Customized Menu
NO
with a key operation (see section
7.22).
IM 04P01B01-01E