Omega RD-MV100 Series User Manual page 259

12.2 Troubleshooting Flow Chart
12-10
Display and other functions do not work properly.
Is the input free of noise?
YES
Contact Omega.
NO • Separate the input and
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.