GAI-Tronics DSA-101 Remote Speaker Amplifier - Manual (Page 10)

Pub.: 42004-384C
M ODEL DSA-101 R EMOTE S PEAKER A MPLIFIER Page 9 of 10
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Troubleshooting
Problem Possible Solution
Low speaker volume Increase the volume settings via potentiometer R38 and/or increase the gain
setting via P9 and P6.
High speaker volume Decrease the volume settings via potentiometer R38 and/or decrease the gain
setting via P9 and P6.
No speaker output Increase the volume settings via potentiometer R38. Verify power is applied
to the unit at TB8. Verify audio is present at the audio input TB6.
No power indication Verify power is applied to the unit at TB8. Check fuses F5 and F6. Replace
fuses with identical rating/type if faulty.
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. 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.