21-00 CLASS II MAINT MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY
21-21-01 Cabin Fans
21-21-02 CAB FAN p.b. Switch
21-23-01 Lavatory and Galley Extraction Fan
21-26-01 Blower Fan
21-26-02 Extract Fan
21-26-03 Skin Exchanger Inlet Bypass Valve
21-26-04 Skin Air Outlet Valve
21-26-05 Skin Air Inlet Valve
21-26-06 Skin Exchanger Isolation Valve
21-26-07 Skin Exchanger Outlet Bypass Valve
21-26-08 Air Conditioning Inlet Valve
21-26-09 Ventilation Filters
21-26-10 Avionic Equipment Ventilation Computer (AEVC)
21-26-11 BLOWER FAULT Caution on ECAM
21-26-12 Extract Fault Caution on ECAM
21-26-13 BLOWER p.b. Switch
21-26-14 EXTRACT p.b. Switch
21-26-15 ECAM CAB PRESS Indications
21-28-04 Aft Cargo Extraction Fan (If Installed)
21-28-05 Aft Cargo Isolation Valves (If Installed)
21-28-06 Aft Cargo AFT ISOL VALVE Fault Light (If Installed)
21-31-01 Automatic Cabin Pressure Control Systems (CPC, Outflow Valve AUTO Channels)
21-31-02 Manual Cabin Pressure Control System
21-31-03 Outflow Valve
21-31-04 Safety Valves
21-31-05 Landing Elevation Selection System
21-31-06 MODE SEL FAULT Light
21-31-07 Safety Valves Position Indication on ECAM CAB PRESS Page
21-31-08 SAFETY VALVE OPEN Caution on ECAM
21-43-02 Aft Cargo Cmpt. Heating System (If Installed)
21-51-01 Pack Flow Control Valves
21-51-02 Pack Flow Selections
21-51-03 PACK p.b. Switch
21-51-06 Pack Flow Sensor (Enhanced Aircraft)
21-52-01 Packs
21-52-02 Air Cond Pack Ram Air Inlet Flaps
21-52-03 Air Cond Pack Ram Air Outlet Flaps
21-55-01 Emergency Ram Air Inlet
21-55-02 ECAM Emergency RAM Air Inlet Indication (ECAM BLEED Page)
21-61-01 Pack Temperature Control Primary Channels
21-61-02 Turbine Bypass Valves
21-63-01 Zone Controller System (A319/A320/A321) (Non Enhanced Aircraft)
21-63-02 Cockpit/Cabin Trim Air Valves
21-63-03 Hot Air Pressure Regulating Valve
21-63-04 HOT AIR p.b. Switch
21-63-05 ECAM Indication
21-63-06 Air Conditioning System Controller (ACSC) (Enhanced Aircraft)