Embraer EMB145 - Page 529

AIRPLANE
OPERATIONS
MANUAL
ABNORMAL
PROCEDURES
REVISION 40 1-03-57
Page
5
Code
03
AOM-145/1114
ANTI-ICING ON WITHOUT ICING CONDITIONS
EICAS CAUTION: NO ICE- A/ICE ON
LIGHT: Master Caution
Ice Detection Override Knob......................................... AUTO
If the message persists, check the overhead panel and turn off all
unnecessary anti-ice system.
If the message persists and is associated with Wing or Stabilizer Anti-
Icing System:
Altitude..................................................................... MAX 25000 ft
MINIMUM MEA
APU ......................................................................... START
APU Bleed ............................................................... OPEN
Crossbleed............................................................... OPEN
Engine Bleeds.......................................................... CLOSE
ANTI-ICING SWITCH OFF
EICAS CAUTION: A/ICE SWITCH OFF
LIGHT: Master Caution
Turn on all anti-icing system buttons.
ICE DETECTOR FAIL
EICAS CAUTION: ICE DET 1 (2) FAIL or ICE DETECTORS FAIL
LIGHT: Master Caution
Use visual cues (ice accretion on windshield and windshield wipers)
and temperature criteria to determine whether icing conditions exist.
When flying in icing conditions:
Ice Detection Override Knob.................................... ALL
After positively exiting icing conditions:
Ice Detection Override Knob.................................... AUTO
NOTE: - Icing conditions may exist in flight when Total Air
Temperature (TAT) is 10°C or below and visible moisture in
any form is present (such as clouds, fog with visibility of one
mile or less, rain, snow, sleet, and ice crystals).
- Ice Detection Override Knob must be kept at 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.