Controller Control Fault Logic; C Ont R Oller C O N Tr O L Fa U L T L O G I C - Conair Thermolator TW-S User Manual

Cont r oll er Cont ro l Fa ul t Lo gic
Fault
Low Coolant Inlet Pressure
Temperature Limit Safety
Temperature Limit Warning
Pump Motor Overload
Supply Probe Fault Hi
Supply Probe Fault Lo
Return Probe Fault Hi
Return Probe Fault Lo
Brownout
3-Phase Power Error
(Optional)
Heater Contactor Error
(Optional)
Pressing the Alarm Silence/Reset resets alarm.
1
2 A manual reset of the pump motor thermal overload is required to reset this alarm.
3 Activates the alarm horn and closes the alarm contact (optional).
4 Requires the Premium Controller option (TW-P).
6-14 I Tr o u b l e sh o o ti n g
Alarm Indication
The Coolant Pressure In Light flashes red
The Set Point and Process Temperatures Flash
and the Temperature Limit Light flashes red
The Temperature Limit Light flashes yellow
The Pump Light flashes red
The Set Point Temperature Display shows
and the Process Temperature Display shows
The Set Point Temperature Display shows
and the Process Temperature Display shows
The Set Point Temperature Display shows
and the Process Temperature Display shows
The Set Point Temperature Display shows
and the Process Temperature Display shows
The Set Point Temperature Display shows
and the Process Temperature Display shows
The Electrical Phase Error light flashes red
4
The Heat Error light flashes red
4
Pump Heater Unit
Shut Shut Shut
Off Off Off
Yes Yes Yes
Yes Yes Yes
No No No
Yes Yes Yes
Yes Yes Yes
PRS
EH
PRS Yes Yes Yes
E
PRR Yes Yes Yes
EH
PRr Yes Yes Yes
E
Brn Yes Yes Yes
Out
Yes Yes Yes
Yes Yes Yes
Alarm Manual Remote
Reset Reset Alarm
Required Required Activated
1 2
No No Yes
Yes No Yes
Yes No Yes
Yes Yes Yes
Yes No Yes
Yes No Yes
Yes No Yes
Yes No Yes
Yes No Yes
Yes No Yes
Yes No Yes
3