Dell PowerEdge M420 User Manual - Page 14

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Also for Dell PowerEdge M420: Information Update (38 pages), Release Notes (27 pages), Manual (25 pages), Important Information Manual (35 pages), Update Manual (32 pages), Update Manual (28 pages), User Manual (26 pages), User Manual (22 pages), Getting Started Manual (12 pages), Manual (38 pages), Technical Manual (46 pages), Technical Manual (48 pages), Portfolio Manual (27 pages), Getting Started Manual (14 pages), Getting Started Manual (12 pages)

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Dell PowerEdge M420 User Manual
Rev 1.0
3
Troubleshooting
As soon as a pass through module is plugged in make sure that the status LED shows green.
The power LED for the pass through module shuts off:
1. Check that the there is adequate ventilation.
2. Make sure that there is nothing blocking the front or rear of the chassis and that the fan mod-
ules and ventilation holes are not blocked (especially dust over the holes).
3. If you find dust blocking the holes it is recommended to clean the fan unit and remove the dust
from the front and rear panels of the pass through module using a vacuum cleaner.
4. Remove and Reinstall the PTM.
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Troubleshooting