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L and R COWL ANTI-ICE
Switch/Light (alternate-action)
Push
Illuminated
– Opens or closes respective
cowl anti-ice valve.
– Indicates respective
cowl anti-ice valve is open with
sufficient pressure for cowl anti-icing.
L and R WSHLD/WIND Switch
OFF/RESET
LOW
HI
– Removes heat from windshields and
the side window and resets corresponding overheat circuit.
– Heats windshield and side window at a low
temperature (41°C/106°F).
– Heats windshield at a high temperature
(58°C/137°F) and side window at a low temperature (41°C/106°F).
corresponding
corresponding
corresponding
WSHLD/WIND
TEST Switch
(momentary-action)
Push
HI
– Initiates self-test of
windshield and window
heat system.
: Both L and R
WSHLD/WIND switches
must be at the position
for a complete test.
NOTE
L and R PROBES Switch
OFF
ON
– Removes heat from respective
side probes and sensors.
– Respective side probes and
sensors are heated.
: Heat is applied to probes and
sensors only if the PAX door is locked
or at least one engine generator is
selected ON.
NOTE
P604_14_008
ICE AND RAIN PROTECTION
14-14 For Training Purposes Only
May 03
P I LOT T R A I N I N G GU I D E
EICAS Messages
EICAS Messages (1 of 2)
Table 14-1
EICAS Messages - Wing Anti-Ice System
MESSAGE MEANING AURAL WARNING
(IF ANY)
ANTI-ICE DUCT Bleed air leak detected in left and/or right fuselage or
wing anti-ice ducts. “ANTI-ICE DUCT”
WING OVHT Overheat condition detected in left and/or right wing
leading edge. “WING OVERHEAT”
L WING A/ICE With wing anti-ice selected on, insufficient pressure and temperature in
R WING A/ICE respective wing leading edge for anti-icing.
WING A/ICE SNSR Wing anti-ice sensor failure detected (control and/or overheat sensor).
WING A/ICE ON Wing anti-ice is selected on with sufficient heat available for anti-icing.
WING/COWL A/ICE ON Wing and cowl anti-ice selected on and sufficient heat/pressure available for antiicing.
WING A/ICE OK Successful test of the wing anti-ice system.
EICAS Messages - Engine Cowl Anti-Ice System
MESSAGE MEANING
L COWL A/ICE Cowl anti-ice valve failure;
- With the cowl anti-ice selected on, respective cowl has insufficient pressure for
anti-icing, or
- With the cowl anti-ice selected off, respective cowl senses pressure (i.e. valve
failed open).
R COWL A/ICE
COWL A/ICE ON Both cowl anti-ice switches selected on and both cowls have sufficient pressure
for anti-icing.
L COWL A/ICE ON Left cowl anti-ice switch selected on and left cowl has sufficient pressure for antiicing.
R COWL A/ICE ON Right cowl anti-ice switch selected on and right cowl has sufficient pressure for
anti-icing.
ICE AND RAIN PROTECTION
For Training Purposes Only
May 03
14-15
P I LOT T R A I N I N G GU I D E
EICAS Messages (2 of 2)
Table 14-2
EICAS Messages - Windshield/Window Anti-Ice System
MESSAGE MEANING
L WINDOW HEAT
Respective side window heat has failed.
R WINDOW HEAT
L WSHLD HEAT
Respective front windshield heat has failed.
R WSHLD HEAT
L WINDOW HEAT OK
Respective side window heat system has passed self-test.
R WINDOW HEAT OK
L WSHLD HEAT OK
Respective front windshield heat system has passed self-test.
R WSHLD HEAT OK
EICAS Messages - Air Data Probes and Sensors Anti-Icing
MESSAGE MEANING
L AOA HEAT
Respective AOA heater has failed.
R AOA HEAT
AUX AOA CASE HEAT AUX AOA vane base heater has failed.
AUX AOA VANE HEAT AUX AOA vane heater has failed.
L PITOT BASE HEAT
Respective pitot-static base heater has failed.
R PITOT BASE HEAT
L PITOT TUBE HEAT
Respective pitot-static heater has failed.
R PITOT TUBE HEAT
L PROBE HEAT OFF On the ground, either all respective side anti-ice heaters have failed or the
R PROBE HEAT OFF respective PROBES switch is selected off.
L STATIC HEAT
Respective static port heater has failed.
R STATIC HEAT
STBY PITOT HEAT Standby pitot probe heater has failed.
TAT PROBE HEAT TAT probe heater has failed.
EICAS Messages - Ice Detection System
MESSAGE MEANING
ICE Ice has been detected and wing and/or cowl anti-ice systems are not selected on.
ICE DETECTORS Both ice detector channels have failed.
ICE Icing has been detected and both wing and cowl anti-ice systems are on and
sufficient heat/pressure is available for anti-icing.
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