Embraer EMB145 Operation Manual page 543

IC FAILURE/IC BUS FAILURE
EICAS CAUTION: IC BUS FAIL may be presented
LIGHT: Master Caution if IC BUS FAIL message is presented
CONDITION: Associated Display Units blank and with a red X drawn
over them.
The following features will be inoperative:
- EICAS messages miscompare monitoring,
- Takeoff speeds synchronization,
- Check List Display synchronization, and
- Flight Director mode synchronization.
If IC 1 failed (loss of PFD 1, MFD 1 and EICAS):
SG 1 Button ............................................................. PRESS
NOTE: In case of IC 1 failure, the PIT TRIM 1 (2) INOP message
may not be available.
If IC 2 failed (loss of MFD 2 and PFD 2):
SG 2 Button ............................................................. PRESS
IC FAN FAILURE
EICAS ADVISORY: IC 1 (2) FAN FAIL
An overheat condition may arise in the associated IC. In this case, turn
the IC off by pulling its respective circuit breaker (C3 or D31 or D32).
IC OVERHEAT
EICAS CAUTION: IC 1(2) OVERHEAT
If there is smoke associated to IC 1 OVERHEAT message:
IC 1 Circuit Breaker (C3) ......................................... PULL
Backup Battery ........................................................ OFF
SG 1 Button ............................................................. PRESS
If smoke persists:
ELECTRICAL SYSTEM
FAILURE OR SMOKE Procedure .............. ACCOMPLISH
If there is smoke associated to IC 2 OVERHEAT message:
IC 2 Circuit Breaker (D31 or D32) ...................... PULL
REVISION 40
AIRPLANE
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