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Troubleshooting Chart 

Symptom

 

Solution

 

No Output 

A. 

Verify -24VDC on the white lead with ground (+) on the black. 

B. 

Verify audio is present on the green and red leads (Monitor with a lineman's 
test set at the speaker). 

C. 

Verify volume control turned up (Clockwise). 

 
 
 

 

VALCOM LIMITED WARRANTY 

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. 
 
 

Headquarters:  

In Canada 

 

Valcom, Inc. 

CMX Corporation 

 

5614 Hollins Road 

35 Van Kirk Drive #11 and 12 

 

Roanoke, VA 24019-5056 

Brampton, Ontario L7A1A5 

 

Phone:  (540) 563-2000 

Phone:  (905) 456-1072 

 

FAX:  (540) 362-9800 

FAX:  (905) 456-2269 

 

 
 

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