Troubleshooting

7.0TROUBLESHOOTING

Problem

UTILITY lamp (amber) not Illuminated.

UPS Available lamp (green) not illuminated.

3U POD will not start some / all connected loads.

Utility or UPS circuit protectors trip after resetting.

Cause

Utility not present.

Utility Branch Circuit Breaker may be open.

3U POD input power not connected to

UTILITY.

UPS output power not present.

UPS input and/or output cord not connected to 3U POD.

Input power cannot support load.

Overcurrent on 3U POD connected load.

Solution

Call qualified service personnel to restore power. Verify that the branch circuit breaker is closed.

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

Turn on the UPS. Refer to the UPS user manual.

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

Verify that utility and UPS are on, all circuit protectors are closed and the load is within the rating of the power source.

Recalculate load requirements.

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Emerson 3U MP2-220N user manual Troubleshooting, Utility