Page 3-8 G1000 V8.XX S/W Load and Post Install Checkout – Columbia 350/400
Revision 1 190-00577-04
3.1.2 Carbon Monoxide Warning System
1. Go to the System Status page using the FMS knob. The CO Guardian is the first item in the LRU
list.
2. Verify that the CO Guardian has its status displayed as ‘OK’.
3. Open the CO DETECTOR circuit breaker. Verify that the CO Guardian status changes to
TIMEOUT after approximately five seconds.
4. Close the CO DETECTOR circuit breaker.