Firecom 3000A Installation & Operator's Manual page 17

Fire apparatus intercom system
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3000A
EXTENDED TROUBLESHOOTING
EXTENDED TROUBLESHOOTING
EXTENDED TROUBLESHOOTING
EXTENDED TROUBLESHOOTING
EXTENDED TROUBLESHOOTING
Use this section to check out items identified
Use this section to check out items identified
Use this section to check out items identified
Use this section to check out items identified
Use this section to check out items identified
as bad before sending them out for repair
as bad before sending them out for repair
as bad before sending them out for repair. . . . .
as bad before sending them out for repair
as bad before sending them out for repair
Bad headset:
Bad headset:
Bad headset:
Bad headset:
Bad headset:
Bad mic circuit -
1. Using a #0 phillips screwdriver, check that the set
screws in the mic element are snug.
2. Exchange mic elements with a working headset
to check that the mic element is not bad.
3. If neither of these solves the problem, call for a
return authorization and send the headset in for
repair.
Bad speaker or PTT circuit:
Bad speaker or PTT circuit:
Bad speaker or PTT circuit:
Bad speaker or PTT circuit:
Bad speaker or PTT circuit:
1. Send the headset in for repair.
Bad intercom:
Bad intercom:
Bad intercom:
Bad intercom:
Bad intercom:
1. Check all intercom ports for bent or stuck pins.
Bad HM-1 or PP-2:
Bad HM-1 or PP-2:
Bad HM-1 or PP-2:
Bad HM-1 or PP-2:
Bad HM-1 or PP-2:
1. Send HM-1 or PP-2 in for repair.
Bad CA Cable
Bad CA Cable
Bad CA Cable
Bad CA Cable
Bad CA Cable
1. If tools are available, try replacing the modular
plug on both ends of the CA cable. Note that
there is one correct way to assemble these cables.
The order of the wire colors must be opposite at
each end.
15

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