Pitot Heat Current Sensor Annunciation; Pitot Heat Required Annunciation; Original Issue - Cirrus SR22 Pilot Operating Handbook

Section 3A
Abnormal Procedures

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
Encounter
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.
3A-18
PITOT HEAT FAIL
Checklist and:
PITOT HEAT REQD
Cirrus Design
SR22
Inadvertent Icing
P/N 13772-004

Original Issue