Honeywell UDC2300 - Table 10-7 Troubleshooting Time Proportional Output Failure

Troubleshooting/Service
110 UDC2300 Controller Product Manual 12/00
Procedure #3
Table 10-7 explains how to troubleshoot Time Proportional Output failure.
Table 10-7 Troubleshooting Time Proportional Output Failure
Step What to do How to do it
1
Make sure the controller is configured
for Time Proportional output.
Make Output Algorithm Set Up group function
prompt OUTALG = RLY or RLYD.
Refer to Section 4 - Configuration.
2
Check the field wiring. Make sure the NO or NC contact selection is
correct.
Refer to Section 2 - Installation for details.
3
Check the output (control) relay
jumper position.
Refer to Section 2 – Installation for relay jumper
placement and relay contact information.
4
Check the output. Put the controller into Manual mode. Vary the
output above and below the present value.
Observe OUT indicator on the operator interface.
Contact should change state. 1E 0 % open, 100 %
closed.
5
Check relay. Change relay.
6
Change Main board. Installation instructions supplied with the new
board.