Troubleshooting
Troubleshooting | If a module shows two green indicator lights and the display panel shows a red | ||||
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Figure 9: | Troubleshooting Flowchart |
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| Red phase |
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| LED(s) lit. |
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| Check |
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| Alarm on? | YES | patch cable | NO | voltage on | NO |
| connections. Is | each phase. Is | ||||
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| Red LED(s) |
| the voltage |
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| on? |
| correct? |
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| YES |
| YES |
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| Is alarm | YES |
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| Enable/Disable |
| LEDs lit on | NO |
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| LED on? |
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| all modules? |
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| NO |
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| YES |
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| Possible diagnostic |
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| Press alarm |
| display panel failure. |
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| Enable/Disable | NO |
| Contact APC |
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| switch. Is |
| Technical Support at |
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| alarm on? |
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| troubleshooting. |
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| YES |
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| Is alarm LED | NO |
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YES | on? |
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Check the power
utility feed and
verify voltage levels.
Replace module(s)
that do not have
LEDs lit.
Energize SPD and verify proper connection.
Replacement Parts
The following replacement parts are available. For ordering information refer to the product catalog.
•SPD modules. Replacement instructions are included with the replacement parts.
•Diagnostic display panel assemblies. Replacement instructions are included with the replacement parts.
20 | Installation and Operation Manual |
