CAS CAUTION MESSAGES
CAS CAPTION FAILURE DESCRIPTION PROCEDURE NAME AW139-RFM-4D
EXT PWR DOOR External power socket door not closed EXTERNAL POWER
SOCKET DOOR OPEN
CAS CAUTION MESSAGES
CAS CAPTION FAILURE DESCRIPTION PROCEDURE
NAME
AW139-RFM-4D
1(2) MAU OVHT Associated MAU overheat
If MAU1 fails:
Electrical parameters not valid (amber dashed):
ESS BUS 1 VOLT, MAIN BUS 2 VOLT, NON ESS BUS 1, DC GEN 1 AMP, AUX
BATTERY AMP
CAS Cautions NOT available:
MAIN BATT OFF, EXT PWR DOOR
CAS Advisory NOT available:
EXT PWR READY
If MAU2 fails:
Electrical parameters not valid (amber dashed):
MAIN BUS 1 VOLT, ESS BUS 2 VOLT, DC GEN 2 AMP, NON ESS BUS 2, MAIN
BATTERY AMP
CAS Cautions NOT available:
AUX BATT OFF
CAS Advisory NOT available:
EXT PWR ON
MODULAR
AVIONICS
UNIT OVERHEAT
/ FAIL
Section 3
EMERGENCY AND
MALFUNCTION
PROCEDURES
ELECTRICAL SYSTEM