No 8 Out External Supplies / Auxiliary Out Communication
(A)
Is the 12VDC LED on
and green on AP4?
(B)
Is there 12VDC
between H15-1 and
H15-3 on AP1 I/O
Board?
No
(D)
Is the 24VDC LED on
and green on AP4?
Yes
(C)
Is there 12VDC
between H2-1 and H2-3
on AP4 Expansion
Board?
Yes
Replace AP1.
No
Yes
Verify connections
and wiring between
AP1 header H15 and
AP4 header H2.
No
With the door closed
is the 24VDC LED on
AP1 on?
No
(G)
Is the HBEAT LED on
AP4b blinking 1
second on and 1
second off?
Yes
(E)
Is there 24VDC
between H15-2 and
H15-3 on AP1 I/O
Board?
Yes
See Door Close Error
section.
No
(F)
Is there 24VDC
between H2-2 and H2-3
on AP4b?
Yes
Replace AP1.
No
Yes
Verify connections
and wiring between
AP1 Header h15 and
AP4b Header H2.
No
(H)
Is the COMM LED on
AP4 on and Red?
Yes
Replace AP4.
No
Verify connections
and wiring between
AP1 header H15 and
AP4b Header H2. If
wiring is good
replace AP4b or AP1.
No
Troubleshooting
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