Transition Networks PCVT-48VDC-53VDC, Install Manual

Page: 17 / 18

Transition Networks, Inc. PCVT-48VDC-53VDC Install Guide
33568 Rev. A www.transition.com/ Page 17 of 18
Troubleshooting
If the PCVT fails, isolate and correct the failure by determining the answers to the following questions,
and then taking the indicated action:
1. Is the PCVT POWER 1 LED lit?
NO
Is there a power connector plugged into the POWER 1 terminal block?
Is the VDC power source operating correctly?
Is there voltage in the range of 38-70 VDC present at the terminal block connector on the
PCVT?

Check the fuse. Contact Technical Support: US/Canada: 1-800-260-1312, International:
00-1-952-941-7600. See the
“
Maintainance
” section on page
18 .
YES

Proceed to step 2 below.
2. Is the PCVT POWER 2 LED lit?
NO
Is there a power connector plugged into the POWER 2 terminal block?
Is the VDC power source operating correctly?
Is there voltage in the range of 38-70 VDC present at the terminal block connector on the
PCVT?
YES

Check if the fuse is OK.
NO
The fuse is not field replaceable. Contact Technical Support: US/Canada: 1-800-260-
1312, International: 00-1-952-941-7600.
See the “
Maintainance
” section on page
18 .
YES

Proceed to step 3 below.
3. Is there 53 VDC present at the terminal block connector?
NO

Check the power wiring for proper connection.

Contact Technical Support: US/Canada: 1-800-260-1312, International: 00-1-952-941-
7600.
YES

Continue operation.