Σ Σ Σ Σ Σ -alarm
Is Σ-alarm activated every time
another alarm is activated?
Alarm outputs
Is the equipment (e. g. pilot
lamps) connect to the alarm
outputs activated when the
appropriate alarm is activated
during fault tracing?
Interlock circuit
During normal operation: is
pilot lamp 59 lit and is the
circuit between terminals
11 and 12 closed?
At alarm: does pilot lamp
59 go out ?
At alarm: is the circuit between
terminals 11 and 12 broken?
No
Yes
No
Yes
No
Yes
No
Yes
No
11
Contact an ITT Flygt service shop.
Contact an ITT Flygt service shop.
Contact an ITT Flygt service shop.
Contact an ITT Flygt service shop.
Contact an ITT Flygt service shop.