Problem Status Lamp Possible Cause Solution
Circuit breaker tripped Reset circuit breaker.
No Power Off (W hite)
Aircraft / longline wiring
Check aircraft / longline
wiring.
Aircraft / longline wiring
Check aircraft / longline
wiring.
Mechanical jamb Clear jamb / check linkage
Valve adjusted too high Adjust valve down.
Circuit Breaker
Trips
Off (W hite)
Valve adjusted too low Adjust valve up.
Flashing
Green
Motor protector
activated
Power cycle to reset.
Adjust valve up.
No open signal
Check aircraft / longline
wiring.
Yellow
Controller failure Contact service center.
Green Damaged drive cable Replace drive cable.
Valve Closed
Won't Open
Red
Controller / sensor
failure
Contact service center.
Flashing
Green
Motor protector
activated
Power cycle to reset.
Adjust valve down.
Green Controller failure Contact service center.
Yellow Damaged drive cable Replace drive cable.
Valve Open
Won't Close
Red
Controller / sensor
failure
Contact service center.
Damaged seals Replace seals.
Valve Leaks Yellow
Valve adjusted too high Adjust valve down.