VMC 186/40 Motion Repairs and Returns
42
Repairs and Returns
Field Module Repair
The following list of common problems and solutions is provided for those interested in repairing their
module. Any repairs made other than replacing the transducer protection resistors will void the warranty.
1) If the transducer count is not being updated, check 4.7 ohm 5% resistor(s) if problem exists with
the -15 volts. Check the 15 ohm 5% resistors if problem exists with the +15 volts.
2). If interrogation pulse failure, change pulse drivers U10 and U11 (SN75158P)
Module Returns
When returning the VMC 186/40 for repair, please contact Delta prior to shipment for an RMA number.
Returned modules should be packaged in static protection material and the RMA number clearly marked
on the outside of package. Please include a short note explaining the problem. Send module to:
Delta Computer Systems, Inc.
Phone: 360-254-8688
11719 NE 95th St. , Suite D
Fax: 360-254-5435
Vancouver, Washington 98682-2444
Warranty Repairs
Motion control products warranty period is 15 months from date of shipment from Delta Computer
Systems, Inc. Repairs required because of obvious installation failures (burned resistors, traces, etc.) are
not covered and will be billed at standard repair rates.
Returns
Returned items (in new condition and less than 120 days from shipment from Delta) must be approved by
Delta and are subject to a 25% restocking fee. An RMA number must be issued before items can be
returned for re-stocking.
