GAI-Tronics GC-DC1 Handmatig - Pagina 9

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EZ P
I
I
AGE
NDUSTRIAL
NTERCOMS

Troubleshooting

Periodically check for frayed or cracked wiring, loose connections or signs of corrosion inside and outside
of the unit.
Problem
No audio is received at
unit
Both paged audio and
received audio is low
Listen/Talk configured
unit can't
communicate to
another Listen/Talk
configured unit
Acoustic feedback
when making a page
Listen/Talk or Master
unit is always in the
talk mode
Slave unit always in
listen mode
Master unit can not
communicate to Slave
unit, but Slave is
communicating to
Master unit
Excessive
static/electromagnetic
interference
f:\standard ioms - current release\42004 instr. manuals\42004-307g.doc
03/15
Possible Cause
Unit's speaker is not turned on
(muted)
Local unit's speaker volume control is
turned counterclockwise
Internal fuse is blown
Short, or low resistance across audio
pair in system cable
Possible system wiring error
Connection of control pair wires to
another Listen/Talk unit. Note: These
wires should be left un-terminated
and insulated.
Units are positioned too close
together or oriented toward each other
Internal mode switch is set to
Possible low resistance between the
red/black (control pair) wires within
the unit or system cable.
Possible low resistance between the
red/black (control pair) wires within
the system cable connected to unit.
Possible open wire/connection of the
control pair wires between units.
System cable is routed too closely to
high voltage, high electromagnetic
sources.
Possible Solution
Check that local power is available
and speaker volume switch is on.
Adjust volume control to desired
level.
Replace fuse with exact voltage/fuse
rating replacement.
Correct system wiring.
Correct system wiring.
Reorient units away from each other
or reduce speaker volume level.
Reposition internal mode switch to
SLAVE
L/M
.
ASTER
Correct system wiring short.
Correct system wiring short.
Correct connections and system
wiring.
Reroute system cable away from high
voltage, high electromagnetic sources.
Use shielded system cable.
Pub. 42004-307G
Page 9 of 16