LSIS XEC-DR64H - 11.2 Troubleshooting Flowcharts

Chapter 11. Troubleshooting
11-2
11.2.1 Troubleshooting flowchart used when the PWR (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.
Yes
Power LED is turned Off.
Is the power supply
operating?
Is the voltage within the
rated power?
Write down the troubleshooting
Questionnaire and contact
the nearest service center.
Supply the power.
Does the power LED
turns On?
Supply the power
properly.
Does the power LED
turns On?
1) Eliminate the excess current
2) Switch the input power Off then
On.
Does the power LED
turns On?
No
No
No
Yes
Yes
No
No
Yes
Yes
Yes
Complete
Over current protection
device activated?