Table 2-4. Troubleshooting with Controller Module LEDs (Continued)
LED | State | Possible | Troubleshooting | |||
Problem | Suggestions | |||||
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| |||
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| |
Primary | Steady | The primary | Reinstall the primary | |||
Power | blinking | power supply | power supply and turn it | |||
(cont.) | (cont.) | is not properly | on. | |||
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| installed. |
| |
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| |
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| Two blinks, | The power | If a management module | ||
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| then a pause | is installed, the | |||
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| (in unison | hardware is in | concentrator should | ||
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| with Backup | an error state. | recover automatically | ||
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| Power LED) |
| from this condition. If it | ||
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| doesn't, reset the | |
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| concentrator using the | |
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| RESET CONCENTRATOR | |
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| command. If this fails to | |
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| correct the condition, | |
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| turn both power | |
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| supplies OFF, then ON | |
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| again. | |
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| If a management module | |
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|
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| is not installed, turn both | |
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| power supplies OFF, then | |
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| ON again. | |
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| ||
Backup | Off | The Backup | Press the LED Test button | |||
Power |
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| Power LED is | to verify that the LED is | ||
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|
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| broken. | working properly. | |
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| |
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|
| The backup | Reinstall the backup | |
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|
|
| power supply | power supply and turn it | |
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|
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| is not properly | on. | |
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|
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| installed. |
| |
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|
| |
Installation and Troubleshooting 2 - 23
