Pittway NOTIFIER AM2020 Troubleshooting Manual page 44

Nx1/9 Annunciator (01-
32) Catastrophic Com-
munications Fault.
Nx2/A External Equip-
ment Annunciator (01-
32) or Audio/Telephone.
Nx3/B Annunciator (01-
32) Expander Modules.
Nx5/D Annunciator (01-
32) Manual Control.
NXX Annunciator Trouble
Default Message.
44
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4) Confirm that the 120 ohm anti-reflection resistor is in place at the end of the
annunciator loop.
5) Make sure the proper gauge wire is being used and that the maximum wiring
distances are not being exceeded for both the EIA-485 and 24 VDC power
loops.
6) Try a new annunciator at the same location. If the new annunciator works,
take the old annunciator and try it at a different address. If the old annuncia
tor still does not work, it must be replaced.
Trouble Codes N01, N09, N11, N19, etc..., repeat for each annunciator address
(01-32). The Serial Interface Board is receiving a response from the specified
annunciator, but it is not a valid response.
Trouble Codes N02, N0A, N12, N1A, etc..., repeat for each annunciator address
(01-32). There is a problem with the external trouble contacts on the annuncia-
tor.
Corrective Action:
1) Check if the AMG is in ALLCALL mode. This trouble will happen if no one
talks into the microphone on the AMG for 20 seconds.
2) Check if the AMG microphone is unplugged.
3) Check if the FFT-7 wiring is correct.
4) Check if the SCS has correct programming of its switch groups.
5) Check if the UDACT telephone line is disconnected.
Trouble Codes N03, N0B, N13, N1B, etc..., repeat for each annunciator address
(01-32). There is a problem with one of the annunciator expanders at the
specified annunciator address.
Corrective Action:
1) Check the dip switch and/or jumper settings to make sure that the annunciator
is set for the proper number of expanders.
2) Confirm that the ribbon cables are plugged into the expanders properly.
Trouble Codes N05, N0D, N15, N1D, etc..., repeat for each annunciator address
(01-32). The specified annunciator has been placed in Manual Control. If
Manual Control is not desired, check the position of DIP switch number one.
An undefined trouble has occurred with an annunciator.
AM2020/AFP1010 Troubleshooting Guide 50432 Revision A 8/13/97
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