Troubleshooting Chart - Valcom Supervised Ceiling Speaker with Amplifier Installation Instructions

COVERAGE
The area covered by a ceiling speaker is determined
by the height of the ceiling. If ceiling height is 8',
the speaker will cover 256 sq. ft. With a ceiling
height of 10 feet, the speaker will cover 400 sq. ft. If
the ceiling is 20 feet high, the speaker will cover
1600 sq. ft.
Table 1 - Number of Speakers per Audio Run
Wire Run(Ft.) 22 AWG
100 150
200 150
400 100
800 50
1600 25
SYMPTOM
1. No audio from speaker.
2. Low volume from speaker.
3. Loud squeal (feedback).
Valcom, Inc. warrants its products to be free from defects in materials and workmanship under conditions of normal use and service
for a period of one year from the date of shipment. The obligation under this warranty shall be limited to the replacement, repair or
refund of any such defective device within the warranty period, provided that:
1. inspection by Valcom, Inc. indicates the validity of the claim,
2. the defect is not the result of damage, misuse, or negligence after the original shipment.
3. the product has not been altered in any way or repaired by others and that factory sealed units are unopened (A service
charge plus parts and labor will be applied to units defaced or physically damaged),
4. freight charges for the return of products to Valcom are prepaid,
5. all units 'out of warranty' are subject to a service charge. The service charge will cover minor repairs (Major repairs will
be subject to additional charges for parts and labor).
This warranty is in lieu of and excludes all other warranties, expressed or implied, and in no event shall Valcom, Inc. be
liable for any anticipated profits, consequential damages, loss of time or other losses incurred by the buyer in connection
with the purchase, operation, or use of the product.
This warranty specifically excludes damage incurred in shipment. In the event a product is received in damaged condition, the
carrier should be notified immediately. Claims for such damage should be filed with the carrier involved in accordance with the
F.O.B. point.
1111 Industry Avenue
Roanoke, VA 24013
Phone: (540) 437-3900
FAX: (540) 427-3517
24 AWG
150
120
60
30
15

TROUBLESHOOTING CHART

1a. Check that volume control is turned up (clockwise).
1b. Using a lineman's test set check for the proper audio level on the Tip and Ring leads,
and if necessary also at the source.
2a. Check that volume control is turned up.
2b. Check voltage at the speaker assembly when in use, -18 to -24VDC required.
2c. Using a lineman's test set, check for the proper audio level on Tip and Ring leads. It is
possible that some low level audio will be heard with only one side of Tip and Ring
connected.
3a. Turn down (counter-clockwise) volume of the speaker.
3b. Increase the distance between the telephone and speaker.
3c. Install a noise canceling handset on the telephone in severe problem areas.
3d. Add a V-9962 Digital Feedback Eliminator.
VALCOM LIMITED WARRANTY
Headquarters:
Valcom, Inc.
TECHNICAL ASSISTANCE
When trouble is reported, verify there are no broken
connections. Assistance in troubleshooting is
available from the factory. Call (540) 427-3900 and
ask for Technical Support or call (540) 427-6000 for
Valcom 24- hour Automated Support.
Valcom equipment is not field repairable. Valcom,
Inc. maintains service facilities in Roanoke, VA.
Should repairs be necessary, attach a tag to the unit
clearly stating company name, address, phone
number, contact person, and nature of the problem.
Send the unit to:
Repair & Return Dept.
5614 Hollins Road
Roanoke, VA 24019-5056
ACTION
In Canada
CMX Corporation
35 Van Kirk Drive #11 and 12
Brampton, Ontario L7A1A5
Phone: (905) 456-1072
FAX: (905) 456-2269
3
Valcom, Inc.