Table 7-1 Trouble Led Procedure Cross Reference - Wheelock SAFEPATH4 Application, Installation, Operation, And Maintenance Manual

D24
LED
(Yellow)
D24 Main Trouble Indicator
D59 AC LED No DC Power to the PC Board from the Power Supply
"OFF" (SAPS).
D26 BAT TRB Battery voltage is below 18.5 VDC or battery is
missing.
D27 AC TRB AC power input voltage missing from TB1.
D28 AUX TRB External EOLR missing when Jumper W1 is removed.
D22 AMP TRB Amplifier failure or jumpers J1, J3 or J4, J5
(SPB-160 only) are setup incorrectly.
D77 EXP Expansion Circuit is Shorted
SHORT
D76 EXP OPEN Expansion Circuit is Open
D34GF Ground Fault Trouble
D32 AUD1 Audio 1 Notification Appliance Circuit is Shorted
SHORT
D31 AUD1 Audio 1 Notification Appliance Circuit is open
OPEN
D29 AUD2 Audio 2 Notification Appliance Circuit is Shorted.
SHORT
(SPB-160 Only)
D30 AUD2 Audio 2 Notification Appliance Circuit is open.
OPEN
(SPB-160 Only)
D35 STRB1 Strobe Notification Appliance Circuit is shorted.
SHORT
(SPB-80/4 Only)
D36 STRB1 Strobe Notification Appliance Circuit is open.
OPEN
(SPB-80/4 Only)
D37 STRB2 Strobe Notification Appliance Circuit is shorted.
SHORT
(SPB-80/4 Only)
D38 STRB2 Strobe Notification Appliance Circuit is open.
OPEN
(SPB-80/4 Only)
BEFORE PERFORMING ANY OF THE FOLLOWING TROUBLESHOOTING PROCEDURES,
THE PRELIMINARY TROUBLESHOOTING INFORMATION AT THE BEGINNING OF THIS
"TROUBLESHOOTING" SECTION MUST BE READ, UNDERSTOOD, AND FOLLOWED.
Table 7-1
Trouble LED Procedure Cross Reference
Trouble Description
Troubleshooting
Procedure
------
Procedure A
Procedure B
Procedure C
Procedure D
Procedure E
Procedure F
Procedure G
Procedure H
Procedure I
Procedure J
Procedure K
Procedure L
Procedure M
Procedure N
Procedure O
Procedure P
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