AIRPLANE
OPERATIONS
MANUAL
ABNORMAL
PROCEDURES
REVISION 40 1-03-57
Page
3
Code
03
AOM-145/1114
ENGINE ANTI-ICING FAILURE
EICAS WARNING: ICE COND-A/I INOP
EICAS CAUTION: E1 (2) A/ICE FAIL
LIGHT: Master Warning and Master Caution
Thrust Levers................................................................ ADVANCE
If the message persists:
Ice Detection Override Knob.................................... ALL
If the message still persists:
Engine Air Inlet Anti-Icing Button........................ CYCLE
If the message still persists:
Icing Conditions ............................................. AVOID/EXIT
Two minutes after exiting icing conditions:
Ice Detection Override Knob .................... AUTO
NOTE: Ice Detection Override Knob must be set to ALL
for at least 2 minutes after exiting icing conditions
or after ICE CONDITION advisory message has
disappeared. In such condition, caution message
NO ICE-A/I ON may be presented, and must be
disregarded.
Engine Vibration............................................................ MONITOR
If vibration increases, advance thrust levers, one at a time, to obtain
60% N1 minimum for 5 seconds, and then return to the former
setting.
If vibration increases to unacceptable values or engine parameters
indicate abnormal values, exit icing conditions.
SINGLE ENGINE OR SINGLE BLEED OPERATION IN
ICING CONDITIONS
Crossbleed.................................................................... OPEN
Altitude .......................................................................... MEA OR
BELOW
15000 ft,
WHICHEVER
IS HIGHER
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