Omega RD100B User Manual
Page 192

10-6
Is the input free of noise?
NO
YES
• 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.
Contact OMEGA.
Display and other functions do not work properly.
Is the key lock released?
NO
YES
Release the key lock using the
FUNC key (see section 3.13).
Contact OMEGA.
Keys do not work.
10.2 Troubleshooting Flow Charts
