Cirrus DESIGN SR22T Pilot Operating Handbook page 383

Cirrus Design
SR22 / SR22T
Left/Right Fluid Quantity Caution
PFD Alerts Window: "Right/Left tank fluid quantity is unreliable (TKS)"
L / R fluid quantities on Anti Ice - TKS block of ENGINE page is
"greyed out" and/or fluid quantity is marked with a "Red X". The deicing
fluid sensing system has detected conflicting system information
regarding the fluid quantity in the tanks.
1. Revert to manual control of the fluid source to control the fluid level
quantity.
If ANTI ICE FLO or ANTI ICE PSI annunciates:
a. Fluid Quantity ......................... SWITCH TO OPPOSITE TANK
b. WIND SHLD Push-Button ............................................ PRESS
(1) Repeat operation of windshield pump to verify metering
pumps are primed properly as evidenced by deicing fluid
exiting windshield nozzles.
Dynamic Stall Speed Band Unavailable Advisory
PFD Alerts Window: "Dynamic stall speed band is unavailable."
Angle of Attack signal has failed. This signal is used to calculate and
display a dynamic stall speed awareness band (red band) on airspeed
tape. With a failed AOA signal, the low speed red band extends to a
fixed value of 61 knots.
P/N 13772-134
Revision 04: 12-17-10
ANTI ICE LVL
AOA FAIL
Section 9
Supplements
17 of 48