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 |
Caution | DUCT LEAK | A high temperature Bleed Air Leak is detected. |
| BLEED 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 or Trim Air switch OFF. |
| L/R ENG BLEED OFF |
Advisory | OFF | Engine Bleed Air Valve is closed for a system fault. |
| L/R ENG BLEED VALVE |
Caution | BLEED | 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 HIGH STAGE |
Advisory | HI STAGE | Engine Bleed System Pressure is excessive and the high pressure bleed air valve has automatically locked closed. |
| EQPT OVHT | Advisory | OVHT | Forward Equipment Cooling system inoperative. |
| FLT DECK TEMP | Advisory | INOP | Duct overheat, fault in the Zone Temperature Controller or Trim Air switch off. |
| 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. |
| FWD EQPT SMOKE | Advisory | SMOKE | Smoke detected in the forward Equipment Cooling ducts. |
| L/R RECIRC FAN |
Advisory | INOP | Fan is failed or is not operating. |
