Flygt CAS Montage Und Service Seite 9

Channel B
Connect the multimeter to
terminals 19 and 20.
(NOTE! Correct polarity ±.)
Is the voltage 10.8 – 12V DC?
Disconnect the sensor and
the RUN-switch. Does the
pilot lamp 52 light?
Connect the resistor, 330 Ω
1/2 watt (or reference sensor)
between terminals 19 and 20.
Does the pilot lamp 51 go out ?
Is B-alarm activated within
5 seconds ?
Disconnect the resistor
(or reference sensor).
Reset B-alarm. Activate the
RUN-function by jumpering
24 and 25.
Is B-alarm activated after
about 30 seconds?
Channel C
Disconnect the sensor from
terminals 26 and 27.
Is C-alarm activated?
Can C-alarm be reset
manually?
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
No
9
Check the supply voltage.
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.
Contact an ITT Flygt service shop.
Contact an ITT Flygt service shop.