Air Systems - EICAS Messages
| Message | Level | Light | Condition |
|---|---|---|---|
| APU BLEED VAL | Advisory | VALVE | APU Bleed Valve position disagrees with the commanded position. |
| L/R BLD DUCT LEAK BODY DUCT LEAK L/R STRUT DCT LEAK |
Caution | DUCT LEAK | A high temperature Bleed Air Leak is detected. |
| L/C/R BLD ISLN VAL |
Advisory | VALVE | Bleed Isolation Valve position disagrees with the commanded position. |
| CABIN ALTITUDE | Warning | CABIN ALTITUDE | Cabin Altitude excessive. |
| CABIN AUTO INOP | Caution | AUTO INOP | Automatic Pressurisation Control has failed or the cabin altitude mode selector is in manual. |
| AFT/FWD/MID CABIN TEMP |
Advisory | INOP | A fault in the Zone Temperature Controller, compartment temperature control is in the OFF position, or Trim Air switch OFF. |
| AFT/FWD/BULK CARGO OVHT |
Advisory | OVHT | Cargo compartment temperature above standard control range. |
| L/R ENG BLEED OFF |
Advisory | OFF | Engine Bleed Air Valve is closed for a system fault. |
| L/R ENG BLD OVHT |
Advisory | OVHT | Engine Bleed Air Temperature excessive. Note: The associated engine Bleed Air Valve and the HP Bleed Valve are automatically closed. The system can be reset and the valves enabled to open by selecting the associated Engine Bleed Air Switch OFF then ON. |
| L/R ENG HPSOV |
Advisory | BLEED | High pressure bleed air valve is open when commanded closed. |
| L/R ENG FWSOV |
Caution | BLEED | Firewall shutoff valve is open when commanded closed. |
| FLT DECK TEMP | Advisory | INOP | A fault in the Zone Temperature Controller, Zone Supply Duct overheat, or Trim Air switch off. |
| FWD EQPT COOLING | Caution | NO COOLING | OVRD selected and no reverse airflow detected through the E/E compartment avionics. |
| FWD EQPT OVHT | Advisory | OVHT | High temperature or low airflow in Equipment Cooling system. |
| FWD EQPT SMOKE | Advisory | SMOKE | Smoke detected in the forward Equipment Cooling ducts. |
| FWD EQPT VAL | Advisory | VALVE | An Equipment Cooling valve not in commanded position. |
| L/R PACK OFF |
Advisory | PACK OFF | Pack Valve is closed. |
| L/R PACK TEMP |
Advisory | INOP | Pack is shut down due to an Automatic Control System fault or an overheat. Note: The pack has not shutdown. It is the automatic control system that has failed. |
| TRIM AIR | Advisory | OFF | Trim Air switch off. |
| L/R RECIRC FAN |
Advisory | INOP | Fan is failed or is not operating. |
