Electrical System Emergencies; High Voltage On Main Bus 2; Original Issue - Cirrus SR22 Pilot Operating Handbook

Cirrus Design
SR22

Electrical System Emergencies

High Voltage on Main Bus 1
M BUS 1 Warning
1. ALT 1 Master Switch ........................................................... CYCLE
2. M Bus 1 Voltage (M1) ........................................................ CHECK
If M Bus 1 Voltage is greater than 32 volts
3. ALT 1 Master Switch ................................................................ OFF
4. Perform ALT 1 Caution (Failure)
Amplification
Main Bus 1 Voltage is excessive, indicates an alternator 1 voltage
regulator failure; will typically be associated with abnormally high
voltage indications on M1, M2 and ESS busses, may also be
associated with M Bus 2 or ESS BUS Warning message.
P/N 13772-004 P/N 13772-004

Original Issue

M BUS 1
Checklist (do not reset alternator)
Section 3
Emergency Procedures
3-25 3-25