Honeywell UDC3200 - Table 7-4 Controller Failure Symptoms

Troubleshooting/Service
Table 7-4 Controller Failure Symptoms
Upper
Display
Lower
Display
Controller
Output
Probable
Cause
Trouble-
shooting
Procedure
Upper
Display
Lower
Display
Indicators Controller
Output
Probable
Cause
Trouble-
shooting
Procedure
Off Power Failure 1
OK OK Current
Proportional Output
2
OK OK Position
Proportional or
TPSC Output
3
OK OK Time Proportional
Output
4
OK
Displayed
Output
disagrees
with Controller
Output
OK
Controller
Output
disagrees
with Displayed
Output
Current/Time
Proportional Output
5
OK OK OK External Alarm
function does
not operate
properly
Malfunction in
alarm output
6
Display does not change when a key is pressed Keyboard
Malfunction
7
Controller fails to go into “Slave” operation during communications Communications
Failure
8
OK Displayed
Output
disagrees with
Auxiliary Output
OK
Controller
Auxiliary Output
disagrees
with Displayed
Auxiliary Output
Auxiliary Output 9
Indicators
Blank Blank None
12/04 UDC3200 Universal Digital Controller Product Manual 159