MAP2830 Management enclosure fan error

A fan assembly in the management enclosure in not providing proper fan rotations signals to one or both management enclosure power supplies.

About this task

Notes:

Each fan assembly has an intake fan with 5 blades and an exhaust fan with 3 blades. Each fan has input power and output fan rotation signals.
SRCs in serviceable event:
- BE198D54 Fan assembly(A1) intake fan error reported by E31
- BE198D56 Fan assembly (A1) exhaust fan error reported by E31
- BE198D58 Fan assembly (A2) intake fan error reported by E31
- BE198D5A Fan assembly (A2) exhaust fan error reported by E31
- BE198D76 Fan assembly(A1) intake fan error reported by E32
- BE198D78 Fan assembly (A1) exhaust fan error reported by E32
- BE198D7A Fan assembly (A2) intake fan error reported by E32
- BE198D7C Fan assembly (A2) exhaust fan error reported by E32
- BED13111 Fan assembly (A1) intake fan error reported by E31 during a status request
- BED13112 Fan assembly (A1) exhaust fan error reported by E31 during a status request
- BED13121 Fan assembly (A2) intake fan error reported by E31 during a status request
- BED13122 Fan assembly (A2) exhaust fan error reported by E31 during a status request
- BED13211 Fan assembly(A1) intake fan error reported by E32 during a status request
- BED13212 Fan assembly (A1) exhaust fan error reported by E32 during a status request
- BED13221 Fan assembly (A2) intake fan error reported by E32 during a status request
- BED13222 Fan assembly (A2) exhaust fan error reported by E32 during a status request

Procedure

This MAP might require you to know the SRC or FRU locations from the serviceable event. If you do not know them, display them now by using the following steps:
1. At the top of this MAP procedure, click Close.
2. To the question What was the result of using the service procedure? click Delay the repair and then click Next.
3. The selected serviceable event is displayed. Under Selected, click View Details.
4. Record notes or take a picture of the information. Then, click Cancel.
5. The selected serviceable event is displayed.
Begin the repair to return to this MAP procedure.
At the front of the rack, slide the management enclosure out to the service position and remove the top cover.

Note: The management enclosure is below the two CEC enclosures.
1. Fully loosen the left and right captive thumb screws.
2. Slide the management out fully so the sliding rails lock into place.
3. At the rear of the top cover, fully loosen the left and right captive thumb screws.
4. Slide the cover back until it lifts off.
Figure 1. Management enclosure (front)
Locate the fan FRU by using the location code (A1, A2). See Figure 2.

Figure 2. Management enclosure location codes
Is the fan assembly cable connected to the management enclosure 12 V distribution cable connector at the sheet metal bracket?
- Yes. Exit this MAP. Replace the fan assembly FRU.
  Note: If the fan assembly does not fix the problem, use MAP2801 Replacing the management enclosure 12V power distribution cable.
- No. Exit this MAP. Do a pseudo replace of the fan assembly FRU. When directed to replace the FRU, connect the fan assembly cable instead.