11
TECHNICAL ASSISTANCE
Factory Assistance
When trouble is reported, make certain there are no
broken connections leading to the system. The chart
below identifies possible problems with solutions.
Assistance in troubleshooting is available from the
factory. When calling, you should have a VOM and a
telephone test set available and be calling from the
job site. Call (540) 563-2000 for Technical Support or
call (540) 767-1555 for Valcom 24-hour Faxback System
or visit our website at
http://www.valcom.com
.
Repair and Return
Valcom equipment is not field repairable. Valcom
maintains service facilities in Roanoke, VA. Should
repairs be necessary, attach a tag to the unit clearly
stating your company name, address, phone number,
contact person and the nature of the problem. Send
the unit to:
Valcom, Inc.
Repair and Return Dept.
5614 Hollins Road
Roanoke, VA 24019-5056
TROUBLESHOOTING CHART
PROBLEMS
PROBABLE CAUSES AND CORRECTIONS
No side tone
•
Check "A" battery connection, polarity and voltage.
No dial tone
•
Check "A" and "B" battery connections, polarity and voltage.
No volume to speakers
•
Check phone to speaker control.
•
Check * for audio present at tip, ring input (W/BL, BL/W pair).
•
Check * for audio at signaled speaker pair at 66B block.
•
Check * for audio at input of speaker.
Hum heard at phone
•
Possible magnetic interference from power supply. Relocate unit and
cables at least 18" away from power supply.
•
Check for noisy "A" battery.
•
Verify twisted pairs are being used for speaker connections.
No speaker cancel
•
Verify ground present at phone side of at least (2) 10K Ohm resistors.
Refer to Figure 6.
NOTE: Do not apply ground directly to inhibit input.
Background music distorted
•
Music source level too high. Refer to "Music Setup Section".
VALCOM LIMITED WARRANTY
Valcom, Inc. warrants its products to be free from defects in ma terials 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.
Headquarters:
In Canada
Valcom, Inc.
CMX Corporation
5614 Hollins Road
35 Van Kirk Drive #11 and 12
Roanoke, VA 24019-5056
Brampton, Ontario L7A 1A5
Phone: (540) 563-2000
Phone: (905) 456-1072
