Appendix C
256 Viper Pro Installation & Operation Manual
4. Enter the number ‘1’ in the Meter Cal or Density field. In granular modes, enter a value of ‘0’ for the
Spreader value and touch OK to return to the CAN Controller Status screen.
5. Touch the Tally Registers button at the bottom of the screen.
6. Note the ‘Ttl Vol’ (total volume) column and the registered values for each control channel.
7. Toggle the section switches and the master switch on.
8. With a small jumper wire (or paper clip), short between the 2 o’clock and 6 o’clock sockets with a ‘short-no-
short’ motion. Each time contact is made, the total volume should increase by increments of 1 or more.
9. If the total volume does not increase, remove the section of cable and repeat the test at the connector that
is the next closest to the node. Replace the defective cable as required.
10. Verify the pin connection and voltage from the previous chart.
11. If all of the cables test ‘good, replace the flow meter.
Note: After testing is complete, re-enter the correct meter cal or density and spreader constant values
before starting application.
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