GAI-Tronics DHF-102 Digital Intercom Staitons - Manual (Page 24)

Pub.: 42004-383D
M ODEL DHS/DHF S ERIES D IGITAL I NTERCOM S TATIONS Page 22 of 24
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Problem Possible Solution
No output on external
speaker or audio line. 1. Verify the AGC Bypass jumpers P8/P9 are either both IN or both OUT.
2. Verify 24 V power is present at P46.
No output on headset
receiver. Verify 24 V power is present at P46.
No audio to unit
speaker (hands-free
units only) Verify the shorting clip is installed between hookswitch pins P43-2 & P43-3.
Front panel push
buttons not operational 1. Verify the switch configuration jumpers are properly installed.
2. Verify the inputs IN1 and IN2 of the subscriber are enabled and properly
programmed. Refer to the central cabinet manual for details.
Inputs not operational Verify the inputs IN1 and IN2 of the subscriber are enabled and properly
programmed. Refer to the Central Cabinet Manual for details.
Outputs not
operational 1. Verify the outputs OUT1 and OUT2 of the subscriber are enabled and
properly programmed. Refer to the central cabinet manual for details.
2. Verify 24 V power is present at P46.
Cannot make or
receive calls Verify the system cable is installed properly.
No power indication Verify power is applied to the unit at P46. Check fuses F5/F6. Replace fuses
with identical rating/type.
Fault indication An amplifier fault is an indication that a speaker line fault has occurred.
Repair the speaker line fault and cycle power (Off/On) in order to reset the
fault indication.
Feedback 1. Point the speakers away from the interfering station.
2. Reduce the speaker volume.
3. Increase the distance between the speaker and the interfering station.
4. Use T button to control talk/listen control.
5. Two Digital Intercom stations can be barred from communication. Refer
to the “Protection Against Feedback Configuration” section of the central
switch manual for details.
Service
If your Intercom Station requires service, contact your Regional Service Center for a return authorization
number (RA#). Equipment should be shipped prepaid to GAI-Tronics with a return authorization number
and a purchase order number. If the equipment is under warranty, repairs will be made without charge.
Please include a written explanation of all defects to assist our technicians in their troubleshooting efforts.
Call 800-492-1212 inside the USA or 610-777-1374 outside the USA for help identifying the Regional
Service Center closest to you.
Replacement Parts
Contact GAI-Tronics for replacement part information.