Chapter 7: Testing and Troubleshooting
171
Power Supply Check
Power supply LED is not
illuminated
Is power being supplied?
Is the
voltage within the allowable
range?
Is the fuse blown?
Is the
terminal screw for the power
cable loose?
Replace the power
supply module
Supply power
Is the power supply LED
illuminated?
Adjust voltage within the
specified range
Is power supply LED
illuminated?
Change the fuse
Is power supply LED
illuminated?
Tighten the terminal screw or
replace the power cable
Is power supply LED
illuminated?
END
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
No
Yes
No
Summary of Contents for D320 PLC
Page 1: ...D320 PLC User s Manual...
Page 18: ...6 D320 PLC User s Manual...
Page 28: ...16 D320 PLC User s Manual...
Page 34: ...22 D320 PLC User s Manual...
Page 78: ...66 D320 PLC User s Manual...
Page 176: ...164 D320 PLC User s Manual...
Page 210: ...198 D320 PLC User s Manual...
Page 258: ...246 D320 PLC User s Manual...