Sterling 882.00295.00 specifications Alarm History Screen, Comment, Description, Effect

5-3 Alarms

Use the Alarm History screen to monitor system alarms. From the Main Menu screen, press the Alarms button to access the Alarm History screen. The three most recent alarms appear at the top of the Alarm History screen. Use the DOWN and UP buttons to scroll through the alarms.

(Alarm History Screen)

5-4 Alarm Descriptions

Alarm	Alarm	Alarm
Comment	Description	Effect
VALVE	The Main Air Valve did not maintain	Immediate
	position.
POSITION		Shut Down
	Possible Motor or Limit Switch Failure.
VALVE	The Main Air Valve did not find	Immediate
MTR	position.
		Shut Down
OVERRIDE	Possible Motor or Limit Switch Failure.
VALVE	The Main Air Valves expected and actual	Immediate
MOTOR FAIL	positions do not match.	Shut Down
	Possible Motor or Limit Switch Failure.
PROCESS	The process supply air temperature	Process
	thermocouple is out of range.
SENSOR FAIL		Shut Down
	Possible thermocouple failure.
REGEN	The regeneration air temperature	Regeneration
	thermocouple is out of range.
SENSOR FAIL		Shut Down
	Possible thermocouple failure.
PROCESS	Process air temperature deviation is	Process
	above high limit value.
HIGH TEMP		Shut Down
	Possible solid state relay failure.
PROCESS	Process air temperature deviation is
	below low limit value.	Alert Only
LOW TEMP
	Possible heater failure.
	Process air temperature control loop is
PROCESS	unable to maintain the process air	Process
	temperature set point.
LOOP BREAK		Shut Down
	Possible Missing thermocouple, Failed
	heater, Failed solid state relay.
REGEN	Regeneration air temperature deviation is	Regeneration
HIGH TEMP	above high limit value.	Shut Down

Large Dehumidifying Dryers Operation 54