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A330/A340 FLEET DSC-24-20 P 27/48
FCOM 19 AUG 10
(2) GEN 1 (2, 3 and 4) indications
‐ When the GEN pushbutton is OFF :
(A) The GEN number is white, if the associated engine is running. It becomes amber,
when the associated engine stops.
(B) The GEN indication is amber.
(C) The OFF indication is white.
‐ When the GEN pushbutton is ON :
(A) The arrow indication is green, when the generator line contactor is in line.
(B) The GEN number is white, if the associated engine is running. It becomes amber,
when the associated engine stops.
(C) The GEN indication is normally white. It becomes amber, when the generator fails,
or when the associated engine stops.
(D) The GEN load is normally green. It becomes amber, if the load is greater than
108 %, for more than 10 s.
A330/A340 FLIGHT CREW
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A330/A340 FLEET DSC-24-20 P 28/48
FCOM 19 AUG 10
(E) The GEN voltage is normally green. It becomes amber below 110 V, or above
120 V.
(F) The GEN frequency is normally green. It becomes amber below 390 Hz, or above
410 Hz.
(3) Bus indication
The bus indication is normally green. It becomes amber, when the corresponding bus is off.
(4) TR
(5) Galley indication
1. COMMERCIAL OFF
2. GALLEY SHED
3. GALLEY PARTIALLY SHED
Applicable to:
GROUND CONFIGURATION
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
ELECTRICAL
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A330/A340 FLEET DSC-24-20 P 29/48
FCOM 19 AUG 10
(1) APU Generator
When ‐ APU MASTER SW pushbutton is off :
‐ When APU MASTER SW pushbutton is ON and APU GEN pb sw is OFF :
‐ When APU MASTER SW pushbutton is ON and APU GEN pb sw is on :
(A)
A330/A340 FLIGHT CREW
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A330/A340 FLEET DSC-24-20 P 30/48
FCOM 19 AUG 10
‐ green when APU generator supplies one or more AC bus bar
‐ white otherwise
(B) same logic as engine generator
(2) External power A (External power B symbol appears beside with the same principle) :
(only displayed when aircraft is on ground)
A330/A340 FLIGHT CREW
OPERATING MANUAL
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A330/A340 FLEET DSC-24-20 P 31/48
FCOM 19 AUG 10
‐ When external power is not available
‐ When external power is available
(A)
‐ green when external power supplies one or more bus bar
‐ white otherwise
A330/A340 FLIGHT CREW
OPERATING MANUAL
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A330/A340 FLEET DSC-24-20 P 32/48
FCOM 19 AUG 10
(B) white
(C) same as engine generator
Applicable to: ,
GROUND CONFIGURATION
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
ELECTRICAL
CONTROLS AND INDICATORS
A330/A340 FLEET DSC-24-20 P 33/48
FCOM 19 AUG 10
(1) APU Generator
When ‐ APU MASTER SW pushbutton is off :
‐ When APU MASTER SW pushbutton is ON and APU GEN pb sw is OFF :
‐ When APU MASTER SW pushbutton is ON and APU GEN pb sw is on :
(A)
‐ green when APU generator supplies one or more AC bus bar
‐ white otherwise
(B) same logic as engine generator
(2) External power A (External power B symbol appears beside with the same principle) :
(only displayed when aircraft is on ground)
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
ELECTRICAL
CONTROLS AND INDICATORS
A330/A340 FLEET DSC-24-20 P 34/48
FCOM 19 AUG 10
‐ When external power is not available
‐ When external power is available
(A)
‐ green when external power supplies one or more bus bar
‐ white otherwise
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
ELECTRICAL
CONTROLS AND INDICATORS
A330/A340 FLEET DSC-24-20 P 35/48
FCOM 19 AUG 10
(B) white
(C) same as engine generator
Applicable to: ALL
EMER CONFIGURATION
(1) Emergency generator
When the emergency ‐ generator contactor is closed :
(A) same logic as engine generator
(B) green
‐ When the EMER GEN Contactor is open :
EMER GEN
▹􀀃
: It is white.
EMER GEN: It becomes amber when faulty.
(2) Static inverter
Same logic as emergency generator.
A330/A340 FLIGHT CREW
OPERATING MANUAL
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ELECTRICAL
CONTROLS AND INDICATORS
A330/A340 FLEET DSC-24-20 P 36/48
FCOM 19 AUG 10
(3) AC ESS BUS
‐ It is normally green
　
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