Table 7-4 Controller Failure Symptoms - Honeywell UDC3200 Product Manual

Upper
Display Display
Upper
Display Display
Blank
OK
Displayed
OK
disagrees
with Controller
OK
OK
OK
Display does not change when a key is pressed
Controller fails to go into "Slave" operation during communications
OK Displayed
disagrees with
Auxiliary Output
12/04

Table 7-4 Controller Failure Symptoms

Lower Indicators
Lower Indicators
Blank Off
OK
OK
Output
Output
OK
OK
OK OK
OK
Output
UDC3200 Universal Digital Controller Product Manual
Controller Probable
Output Cause
Controller Probable
Output Cause
None Power Failure
Current
Proportional Output
Controller
Position
Output
Proportional or
disagrees
TPSC Output
with Displayed
Output
Time Proportional
Output
Current/Time
Proportional Output
External Alarm Malfunction in
function does alarm output
not operate
properly
Keyboard
Malfunction
Communications
Failure
Controller
Auxiliary Output
Auxiliary Output
disagrees
with Displayed
Auxiliary Output
Troubleshooting/Service
Trouble-
shooting
Procedure
Trouble-
shooting
Procedure
1
2
3
4
5
6
7
8
9
159