AM2020/AFP1010 Troubleshooting Guide 50432 Revision A 8/13/97
33
The AVPS-24 is an Audio Visual Power Supply that is designed to be mounted in
the AM2020/AFP1010 cabinet. The AVPS-24 is supervised through the use of a
two-wire trouble cable (part number 71033) which is supplied with each AVPS-
24. This trouble cable must be connected from the AVPS-24 (Plug P1) to the
CPU (Plug P5). When multiple AVPS-24s are used, the trouble cable should be
daisy chained from one AVPS-24 (Plug P2) to the next AVPS-24 (Plug P1) and
ultimately connect to the CPU (Plug P5).
In addition, the AVPS-24 must also be programmed into the system, in Full or
Partial System Programming, so that the CPU will look for an input from this
trouble cable. This specific trouble will be generated if the AVPS-24
is pro-
grammed into the system and the trouble cable
is not connected to the CPU.
Corrective Action:
1) Make sure the trouble cable (part number 71033) is connected between the
AVPS-24 (Plug P1) and the CPU (Plug P5).
2) Confirm that the polarity of this cable is correct. Check the continuity of this
cable with a meter if necessary.
3) If the trouble does not clear, call Notifier Technical Support.
For a description of this trouble refer to Trouble Code "TOA." This specific
trouble will be generated if the AVPS-24
is not programmed into the system and
the trouble cable
is connected to the CPU.
Corrective Action:
1) Program the AVPS-24 into the system using either Full or Partial System
Programming.
2) If the trouble does not clear, call Notifier Technical Support.
For a description of this trouble refer to Trouble Code "TOA." This specific
trouble will be generated if the AVPS-24 is programmed into the system and the
trouble cable is connected to the CPU but something is wrong with the cable
itself. The cable may be installed in the wrong polarity or it may be shorted.
Corrective Action:
1) Check the polarity of the trouble cable.
2) Make sure the cable is not shorted.
3) Replace the CPU.
4) If the trouble does not clear, call Notifier Technical Support.
T0D AVPS-24 Problem.
This trouble is generated when the AVPS-24 sends a trouble to the CPU through
the two-wire trouble cable. The AVPS-24 does not supervise its power output or
field wiring, therefore the only troubles generated on the AVPS-24 are either loss
of AC power or battery power.
Corrective Action:
1) Is the trouble light illuminated on the AVPS-24 If no, then the problem may lie
2) If the trouble does not clear, call Notifier Technical Support.
T0A Installation Error or
CPU/AVPS-24 Problem.
T0B Installation Error or
CPU/AVPS-24 Problem.
T0C Installation Error or
CPU/AVPS-24 Problem.
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