P R E L I M I N A R Y
D
5771498-100, R
IRECTION
7-8-4
BEP Fan does not Spin (ON/OFF button is Orange)-->MPB to BIB Connection
Symptom: T-CFE and T-FEPS LEDs turn On and then off; BEP fan does not spin,
The On/Off button on the cockpit turns green for a second and then turns orange)
Suggested solution: Reset MPB to BIB connection
1.) Verify BEP jumper is in place
2.) Reseat MPB to BIB cable
3.) Check BIB connector for bent pins
4.) Replace BIB board
6
EVISION
Figure 7-39 T-CFE LEDs; T-FEPs LEDs
Figure 7-40 MPB to BIB cable Reseat
Chapter 7 - Diagnostics/Troubleshooting
V
™ S
M
ENUE
ERVICE
ANUAL
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