Table 2-4. Troubleshooting with Controller Module LEDs (Continued)
LED | State | Possible | Troubleshooting | ||||
Problem | Suggestions | ||||||
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Backup | Steady | The backup | See Primary Power LED | ||||
Power | blinking | power supply | suggestions for same | ||||
(cont.) | (cont.) | has failed. | State and Possible | ||||
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| Problem (above). | |
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| The backup | Reinstall the backup | ||
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| power supply | power supply and turn it | ||
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| is not properly | on. | ||
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| installed. |
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| Two blinks, | The power | See Primary Power LED | |||
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| then a pause | suggestions for same | ||||
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| (in unison | hardware is in | State and Possible | |||
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| with Primary | an error state. | Problem (above). | |||
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| Power LED) |
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Temp | Blinking | The | Verify that the fan units | ||||
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| temperature in | are working and nothing | ||
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| the | is blocking airflow from | ||
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| concentrator is | the front and bottom of | ||
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| too high. | the concentrator. | ||
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| Verify at least 1 3/4"of | |
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| space below the | |
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| concentrator for proper | |
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| air flow. | |
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| Lower the temperature in | |
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| the room. | |
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Active | Off | The module is | Verify that the Standby | ||||
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| in standby | LED is illuminated. | ||
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| mode. |
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2 - 24 ONline
