Honeywell UDC3500 - 8 Parts List; 8.1 Exploded View

Troubleshooting/Service
3/07 UDC3500 Universal Digital Controller Product Manual 319
Step What to do How to do it
3c
Third Current Output: Test for
operation.
Change Options Set Up group function prompt
CUR3 OUT = OUTPUT
Make the Current #3 Options Set up group
function prompt CO RANGE = 4–20
Go to Step 4
4
Check the output. Put the controller into Manual mode and
change the output via the front keyboard from
0 % to 100 %. Use a DC milliammeter at the
rear terminals for the output being diagnosed
to verify the output.
Output works correctly: Return the controller
to its original configuration and check output
again.
Output does not work correctly: Go to Step 5.
5
Restore Factory Calibration For the output being diagnosed, change the
CO RANGE prompt from its present setting to
its other setting. Exit the setup group and then
return and change CO RANGE back to its
previous setting.
Output works correctly: Finished
Output does not work correctly: Go to Step 6.
6
Field Calibrate the output. Refer to Section
1 – Output Calibration for
details.
Output works correctly: Finished
Output does not work correctly: Go to Step 7.
7
Change Current Output board.
Installation instructions provided with new
board.