Download Chapter 11 TROUBLESHOOTING

Chapter 11.
Troubleshooting
11.2.1 Troubleshooting flowchart used when the POWER LED turns OFF.
The following flowchart explains corrective action procedure used when the power is supplied or the power led turns off
during operation.
Power LED is turned OFF
Supply the power.
Is the power supply operating?
No
Yes
No
No
Is the voltage within the rated
Is the fuse blown?
No
Yes
Does the power led turn on?
No
No
Yes
Does the power led turn on?
Connect the power cable correctly.
Yes
No
Over current protection device
activated?
Yes
Replace the fuse.
No
Is the power supply cable
connected?
Yes
See the power supply be within
AC 110-240 V.
power?
Yes
Does the power led turn on?
Yes
Does the power led turn on?
Yes
1) Eliminate the excess current
2) Switch the input power OFF then
ON
No
Write down the troubleshooting qu
estionnaire
and contact the near
est service center
No
Does the power led turn on?
Yes
Complete
11-２