FAILURE OF ICE PROTECTION SYSTEM
(or ice accumulation, observed or suspected,
on protected airplane surfaces)
1. ENG INLET Switch
........................................................... VERIFY BYPASS
2. Pitot Heat Switches (L&R)
.........................................................VERIFY ON
3. SURFACE/PROP Switch
...................................................................... HIGH
4. BACKUP PUMP Switch
...........................................................................ON
5. WINDSHIELD Switch
............................................ON (Momentary Switch)
Repeat operation of windshield pump to verify system is primed properly, as
evidenced by ice protection uid exiting the windshield nozzles.
6. AUX BUS Switch
.......................................................................................ON
7. ECS
.................................INCREASE SET TEMP TO ABOVE CABIN TEMP
8. Defrost
........................................................................................SELECT ON
9. Propeller Lever
.............................................................................. MAX RPM
10. ICE LIGHT Switch
.................................................................. AS REQUIRED
11. Airspeed
........................................................ MAINTAIN 110 KIAS MINIMUM
12. Flaps
.............................................. 0° (KEEP RETRACTED FOR LANDING)
13. Icing Conditions
.............................................EXIT AS SOON AS POSSIBLE
TKS ICE PROTECTION SYSTEM LOW PRESSURE
( TKS LOW PRESS CAS MESSAGE SHOWN)
1. BACKUP PUMP Switch .............................................................................ON
2. SURFACE/PROP Switch
....................................................................... HIGH
3. TKS Ice Protection System
............................................................ MONITOR
4. Airspeed........................................................ MAINTAIN 110 KIAS MINIMUM
5. Flaps
.............................................. 0° (KEEP RETRACTED FOR LANDING)
6. Icing Conditions
.............................................EXIT AS SOON AS POSSIBLE
TKS FLUID HIGH PRESSURE OR LOW QUANTITY
( TKS LOW QTY , TKS LOW QTY OR TKS HI PRESS CAS MESSAGES)
1. Icing Conditions
.............................................EXIT AS SOON AS POSSIBLE
2. TKS Ice Protection System
............................................................ MONITOR
TKS ICE PROTECTION SYSTEM LOW FLOW RATE
( TKS LOW FLOW CAS MESSAGE SHOWN)
1. ICE PROT and STBY ICE PROT circuit breakers ......... RESET, if necessary
2. Windshield Switch......................................................................................ON
Repeat operation of windshield pump to verify system is primed properly, as
evidenced by ice protection uid exiting the windshield nozzles.
3. SURFACE/PROP Switch
....................................................................... HIGH
If warning annunciation is no longer shown:
1. Ice Protection System .................................................................... MONITOR
If warning annunciation remains or is intermittent:
1. BACKUP PUMP Switch .............................................................................ON
2. SURFACE/PROP Switch
.........................................................................OFF
3. Icing Conditions
.......................................................................... AVOID/EXIT