TM 55-1510-222-CL
DUCT OVERTEMPERATURE CAUTION ANNUNCIATOR ILLUMINATED
(1).
Cabin air control - In.
(2).
Cabin air mode switch - AUTO.
(3).
Cabin temperature switch - Decrease.
(4).
Vent blower switch - HIGH.
(5).
Cabin air mode switch - MAN COOL.
(6).
Manual temperature switch - DECREASE (hold).
(7).
Left bleed air valve switch - PNEU ONLY.
(8).
Light still illuminated after 30 seconds: Left bleed air valve switch - ON.
(9).
Right bleed air valve switch - PNEU ONLY.
(10).
Light still illuminated after 30 seconds: Right bleed air valve switch - ON.
ENGINE ANTI-ICE FAILURE
(1).
Ice vane power select switch - STBY.
2.
Ice vane fail annunciator - Check extinguished.
ENGINE BLEED AIR SYSTEM MALFUNCTION
BLEED AIR FAILURE ANNUNCIATOR ILLUMINATED
(1).
Brake deice switch - Off.
(2).
TGT and torque - Monitor.
(3).
Bleed air valve switch - Off.
(4).
Cabin pressurization - Check.
EXCESSIVE DIFFERENTIAL PRESSURE
(1).
Cabin altitude and rate-of-climb controller - Select higher setting.
E-6