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SECTION 5 1 8-4 1 1 - 1 00
IS ONLY
ONE STATION
AFFECTED
NO
ARE AFFECTED
STATIONS ON
ONE 484A KTU
NO
CHECK 1 0 VAC
WIRING. CHECK
LAMP WIRING
Page 34
BSP S18-411·100-i01_1978-08-34.jpg
REPLACE LAMP
YES
AT AFFECTED
STATION
CHECK FUSE
YES
IN FUSE
BOARD*
Fig. 9-lntercom Lamp Does Not Light
Scanned by Fra n k Harrell, (Cowboy Frank) Castle Rock, Colorado Oct 15, 2012 2 1 :07:38
CHECK FOR
10 VAC ON
LG LEAD
IS 10 VAC
ON LAMP
LEAD
CHECK
REPLACE
NO
ASSOCIATED
484A KTU
YES
CHECK
NO
LG LEAD
YES
L LEAD
* IF FUSE IS OPERATED, BOTH LAMPS
AND BUZZER WILL BE AFFECTED.
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