Omron SYSMAC CS Series Operation Manual page 234

Troubleshooting Flowcharts
Power Supply Check
214
Power indicator not lit.
Is power being
supplied to Power Sup-
?
ply Unit
Yes
Is voltage adequate?
(See note.)
Yes
Are there any loose
terminal screws or bro-
ken wires?
No
Replace the Power
Supply Unit.
Note Refer to CS-series Operation Manual for the allowable voltage ranges for the
Power Supply Unit.
No
Connect power
supply.
No
Is Power indicator lit?
No
Set supply voltage within
acceptable limits.
No
Is Power indicator lit?
Yes
Tighten screws or
replace wires.
No
Is Power indicator lit?
Section 9-5
Yes
Yes
Yes
End