Troubleshooting – Liebert 2U User Manual
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10
TROUBLESHOOTING
Problem
Cause
Solution
MAINS lamp (orange) not
illuminated.
Mains not present.
Call qualified service personnel to restore
power to socket.
2U POD input cord not
connected to mains.
Refer to 2U POD installation instructions in
this manual:
• Installation on GXT 2U UPS and
• Rack Mount Installation.
UPS Available lamp (green) not
illuminated.
UPS output power not
present.
Turn on UPS. Refer to UPS user manual.
UPS input and/or output cord
not connected to 2U POD.
Refer to 2U POD installation instructions in
this manual:
• Installation on GXT 2U UPS and
• Rack Mount Installation.
2U POD will not start some / all
connected loads.
2U POD output circuit
breaker has tripped.
Reset 2U POD circuit protectors.
2U POD circuit protectors trip
after resetting.
Overcurrent on 2U POD
socket.
Recalculate load requirements, distribute
load among other 2U POD sockets.