Standby Power Inoperative (Amber Stby Pwr Inop Cas Msg); Standby Power On (White Stby Pwr On Cas Msg) - Cessna Grand Caravan 208B G1000 Manual

CESSNA
MODEL 208B G1000
STANDBY POWER INOPERATIVE (Amber STBY PWR
INOP CAS MSG)
1. STBY ALT PWR Switch . . . . . . . . . . . . . . . . . . . . . CHECK ON
IF CAS MESSAGE REMAINS:
2. STBY ALT PWR Switch . . . . . . . . . . . . . . . . . . OFF, THEN ON
If the STBY ALT PWR CAS MSG remains, the alternator
system may still be operational. A bus voltage surge may
have temporarily tripped the ACU (alternator control unit).
The ACU can be restored by cycling the STBY ALT PWR
Switch.
IF CAS MESSAGE STILL REMAINS:
3. STBY ALT PWR Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . OFF
Complete flight using generator power only. Avoid icing conditions.

STANDBY POWER ON (White STBY PWR ON CAS MSG)

•
During ground operations with CONDITION Lever at
LOW IDLE, it is possible that a generator underspeed
condition may occur allowing the standby alternator to
automatically assist with the electrical load. In this case
advance the CONDITION Lever to HIGH IDLE to
increase engine speed and bring the generator online.
•
The Standby Alternator Power may have automaticaly
turned on due to a failure of antoher system. Address
any Red or Amber CAS MSGs that are present.
FAA APPROVED
208BPHBUS-01
ABNORMAL PROCEDURES
NOTE
NOTE
U.S.
SECTION 3
3-69