Emerson 3U MP2-220N Power Supply User Manual


 
Troubleshooting
10
7.0 TROUBLESHOOTING
Problem Cause Solution
UTILITY lamp
(amber) not
Illuminated.
Utility not present. Call qualified service personnel to restore power.
Utility Branch Circuit Breaker may be open. Verify that the branch circuit breaker is closed.
3U POD input power not connected to
UTILITY.
Refer to the 3U POD installation instructions in
this manual:
2.0 - Rack Mount Installation
3.0 - Installation and Electrical Connections
4.0 - Alternate Hardwire Installation
UPS Available
lamp (green) not
illuminated.
UPS output power not present. Turn on the UPS. Refer to the UPS user manual.
UPS input and/or output cord not
connected to 3U POD.
Refer to the 3U POD installation instructions in
this manual:
2.0 - Rack Mount Installation
3.0 - Installation and Electrical Connections
4.0 - Alternate Hardwire Installation
3U POD will not
start some / all
connected loads.
Input power cannot support load.
Verify that utility and UPS are on, all circuit
protectors are closed and the load is within the
rating of the power source.
Utility or UPS circuit
protectors trip after
resetting.
Overcurrent on 3U POD connected load. Recalculate load requirements.