Chapter 14 Troubleshooting
14-
2
14.2.1 Action when Power LED is OFF
Here describes the action procedure when Power LED is OFF while supplying the power or during
operation.
Power LED is OFF
Is the power
supplying ?
Is the power voltage within
the allowable voltage rage?
Is the fuse cut off ?
Is the power module
fixed ?
Is the over current
protection operating
After wiring the trouble shooting
questionnaire, contact A/S
center or agent.
Supply the power
.
Is Power LED ON?
Meet the power supply with
the regular range.
Change the fuse.
Fix the power module completely.
Is Power LED ON ?
Is Power LED ON?
Is Power LED ON ?
1) Check the current capacity
and reduce the over current.
2) After input power OFF, then
power On.
Is Power LED ON ?
No
No
No
Yes
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
End
Yes
No
No