7. No Outputs
C
No Outputs
Are fuses F3 and F4
intact?
Replace fuse and determine cause for blown fuse.
No
Are SQ1
(door closed) and SQ2
(door locked) closed?
Verify INTLCK LED and MAIN
PWR LED are lit on the AP1
Output Board.
Determine why SQ1 (door closed) and SQ2
(door locked) are not closing. Adjust switches
as necessary.
Yes
No
Is there 220VAC
between both fuses
F3 and F2 and fuses
F4 and F2?
Yes
Check output LEDs and output connectors (H2,
H5 and H7) on AP1 output board.
Main power relay or interlock delay on AP1 Output Board
may be faulty. Replace AP1 Output Board as necessary.
Yes
No
A
B
A
C
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