Troubleshooting
Eaton ePDU G3 Troubleshooting Guide P-164000278—Rev 1
www.eaton.com/ePDU
13
COM Ports
This section provides COM port troubleshooting for the Eaton ePDU models. Table 9 lists fault conditions,
potential causes, and possible troubleshooting actions you can take in response to problems.
Table 9. COM Port Troubleshooting
Problem
Possible Root Cause
Actions
COM port LEDs (green and
orange) are not illuminated
l
COM port LEDs not powered
l
COM port LEDs defective
l
Internal failure - COM card may be
damaged
1 - Verify that the unit is powered.
2 - Verify that the ePDU and your PC are communicating.
3- Using the Web interface, verify if the unit shows an ePDU
internal communication failure.
COM port LEDs are On, but do not
flash
l
Communication issue
l
Internal failure
1 - Make sure that IP settings and communication parameters
(PC and ePDU) are set according to the
Eaton ePDU G3
Operations Manual
and normal protocols.
2 - Restart the eNMC module by pushing the recessed reset
button and waiting 40
seconds for the connection to be
re-established.
NOTE
Pushing the reset button will not power off the
loads
.
3 - Restart the ePDU by unplugging the mains and waiting
40
seconds after power has been re-established.
NOTE
ATTENTION: Unplugging the ePDU from the
power source will power off the loads
.
4 - Try uploading the eNMC module firmware using instructions
in the
Eaton ePDU G3 Operations Manual
.
NOTE
If the actions listed in this table do not resolve the problem, contact customer service or a local representative for guidance and/or
replacement (see “Contacting Service and Support” on page 7).
