Chapter 12. TROUBLE SHOOTING
12 - 2
12.2.1 Troubleshooting flowchart used when the POWER LED turns OFF.
The following flowchart explains corrective action procedure used when the power is all lied or the POWER
LED turns OFF during operation
Power LED is turned OFF
Apply the power supply
Is the power
supply operating
Is the line voltage
85 to 264VAC?
Is Fuse disconnected ?
Is the power supply module
Fixed to the base?
Over current protection
Device activated?
Write down the troubleshooting questionnaires
and contact the nearest service center
Does the Power
LED turn ON?
See the supply power to within the
rated power
Does the Power
LED turn ON?
Replace the fuse
Does the Power
LED turn ON?
Fix the power supply module correctly
Does the Power
LED turn ON?
1) Eliminate the excess current
2) Switch the input power OFF, then ON
Does the Power
LED turn ON?
Complete
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No