Cirrus SR22 - Pitot Heat Current Sensor Annunciation

3A-18 P/N 13772-004
Section 3A Cirrus Design
Abnormal Procedures SR22
Pitot Heat Current Sensor Annunciation
PITOT HEAT FAIL Caution
1. Pitot Heat Circuit Breaker....................................................CYCLE
2. Pitot Heat .............................................................CYCLE OFF, ON
If inadvertent icing encountered, perform Inadvertent Icing
Encounter Checklist and:
a. Airspeed .......................EXPECT NO RELIABLE INDICATION
b. Exit icing conditions using attitude, altitude, and power
instruments.
Amplification
Pitot heat failure. Displayed when Pitot heat switch is ON and Pitot
heat current is not detected.
Pitot Heat Required Annunciation
PITOT HEAT REQUIRED Caution
1. Pitot Heat .................................................................................. ON
Amplification
Displayed 20 seconds after system detects OAT is less than 41°F
(5°C) and Pitot Heat Switch is OFF.
PITOT HEAT FAIL
PITOT HEAT REQD
Original Issue