Electrics - EICAS Messages
| Message | Level | Light | Condition |
|---|---|---|---|
| APU BAT DISCH | Advisory | APU BAT DISCH | APU battery is discharging. |
| MAIN BAT DISCH | Advisory | MAIN BAT DISCH | Main Battery is discharging. |
| Message | Level | Light | Condition |
| L AC BUS OFF R AC BUS OFF |
Caution | BUS OFF | AC Bus is unpowered. |
| APU GEN OFF | Advisory | OFF | APU Generator control breaker is open due to a fault with the APU running. |
| BATTERY OFF | Advisory | OFF | Battery Switch is OFF. |
| L BUS ISOLATED R BUS ISOLATED |
Advisory | ISLN | Bus Tie Breaker is open open due to an AC electrical system fault. |
| L GEN DRIVE R GEN DRIVE |
Advisory | DRIVE | Generator Drive oil pressure is low or generator drive oil temperature is high. |
| L GEN OFF R GEN OFF |
Caution | OFF | Generator Control Breaker is open. |
| Message | Level | Light | Condition |
| STANDBY BUS OFF | Advisory | OFF | Standby AC or DC Bus is unpowered. |
| L UTIL BUS OFF R UTIL BUS OFF |
Advisory | OFF | Galley and Utility Buses are unpowered. |
