Sterling SDA 1000-5100 Alarms, Alarm Descriptions, Alarm Alarm Description Alarm Effect Code

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7-3 Alarms

The Alarm Screen will pop up to show what alarm the dryer is having that moment. Look through the window on the door to see the screen.

7-4 Alarm Descriptions

Alarm		Alarm Description		Alarm Effect
Code
BV		The Main Air Valve did not maintain or find		Immediate
		position.		Immediate
		position.		Shut Down
		Possible Motor or Limit Switch Failure.		Shut Down
		Possible Motor or Limit Switch Failure.
CV		The Closed Loop Cooling Valve did not find		Immediate
		position.		Immediate
		position.		Shut Down
		Possible Motor or Limit Switch Failure.		Shut Down
		Possible Motor or Limit Switch Failure.
PS		The process supply air temperature switch		Process
		opened.		Process
		opened.		Shut Down
		Possible thermocouple failure.		Shut Down
		Possible thermocouple failure.
RS		The regeneration air temperature switch opened.		Regeneration
RS		Possible thermocouple failure.		Shut Down
		Possible thermocouple failure.		Shut Down
PH		Process air temperature deviation is above high		Process
		limit value.		Process
		limit value.		Shut Down
		Possible solid state relay failure.		Shut Down
		Possible solid state relay failure.
PL		Process air temperature deviation is below low
PL		limit value.		Alert Only
		Possible heater failure.
RH		Regeneration air temperature deviation is above		Regeneration
RH		high limit value.		Shut Down
		high limit value.		Shut Down
		The dew point value is above the high limit
DP		value.		Alert Only
DP		Possible ambient air contamination or failed		Alert Only
		Possible ambient air contamination or failed
		regeneration cycle.
PB		Process blower is not running.		Process
PB		Possible overload fault, contactor fault.		Shut Down
		Possible overload fault, contactor fault.		Shut Down
RB		Regeneration blower is not running.		Regeneration
RB		Possible overload fault, contactor fault.		Shut Down
		Possible overload fault, contactor fault.		Shut Down
PF or RF		Process air filter (PF) or regen air filter (RF)		Alert Only
		requires cleaning.
		The process redundant air temperature
PR		thermocouple is out of range.		Immediate
PR		Possible thermocouple or solid state relay		Shut Down.
		Possible thermocouple or solid state relay		Shut Down.
		failure.

Large Dehumidifying Dryers

Troubleshooting

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Contents SDA Large Dehumidifying Dryers With AP0 Controls If the Shipment is Not Complete Shipping InfoUnpacking and Inspection Event of Shipping DamageWarranty Returns ReturnsCredit Returns Table of Contents Operation Dryer Identification Serial Number Tag Technical Assistance Safety How to Use This ManualSafety Symbols Used in this Manual Wear Safety Glasses and Work Gloves Dryer Safety Tags DescriptionResponsibility General ResponsibilityOperator Responsibility Maintenance Responsibility Reporting a Safety Defect Functional Description Models Covered in This ManualGeneral Description Regeneration Cycle Process/Regeneration CycleSequence of Operation Controller Screen Descriptions Controller DescriptionStandard Features Mechanical FeaturesElectrical Features Options Closed-Loop RegenerationProcess Aftercooler Recommended Temperature Settings Process Air Dust CollectorMaterial Overdrying Protection Electrical Options Mechanical OptionsFail Safe Operation Safety Devices and InterlocksSafety Circuit Standards Safety Device Lock-OutsPage Making Electrical Connections Mechanical InstallationUncrating the Equipment Rigging and Placing UnitChecking Blower Rotation Checking for Proper Blower RotationDryer/Drying Hopper Process Air Connections Making Dryer/Drying Hopper Process Air ConnectionsAftercooler Components & Flow Rates Connecting Aftercooler/Precooler Cooling Water OptionalDrying Hopper Air Trap Using the Drying Hopper Air TrapControls SwitchesIndicator Lights Process Air Temperature ControllerLights in the Operation Indicator Section when Lit when Control Output 1 is on. The Out1Lit when Control Output 2 is on. Not used Indicator Name DescriptionE5CN Operating Parameters Setting the Process Air TemperatureTuned prior to dryer startup Adjustment Level Indicator Name DescriptionON, OFF Entering Operating Parameters to Select ModesSetting the High Dew Point Alarm Process Air Dew Point DisplayOptional Redundant Safety Controller Display Setting the Redundant Safety ControllerWatlow Operating Parameters Manf. setting Pre-Startup Checks Auto-Tuning the DryerOperation Initial Start-upDryer Operation Procedures Page Material Miser OFF Press + to Enable Alarm Display Messages Shutting Down the Dryer Auto-Tuning the DryerMaintenance Maintenance SchedulePhotocopy this page for your maintenance records Cleaning or Replacing the Process Air Filters Preventative MaintenanceCalibrating the Dirty Filter Alarm Cleaning or Replacing the Regeneration FilterChecking the Dewpoint Control System Corrective Maintenance Symptoms of Worn Out DesiccantReplacing the Desiccant Replacing the Process Heater Electric Dryers Desiccant Tower AssemblyReplacing the Regeneration Heater Electric Dryers Process Heater Box AssemblyRegeneration Heater Box Assembly Troubleshooting Basic TroubleshootingIntroduction Large Dehumidifying Dryers Troubleshooting Alarms Alarm DescriptionsAlarm Alarm Description Alarm Effect Code Determining Temperature Controller Errors or Sensor Errors Using a ThermocoupleUsing a Platinum Resistance Thermometer Appendix WarrantyTechnical Specifications Aftercooler Design SpecificationsAnnex B Information Drawings and Diagrams Optional dryer dust collector Spare Parts List Level 3 Mechanical Components Located on back of Dryer Dryer Identification Serial Number TagParts and Service Department Sales Department Service DepartmentTechnical Assistance Parts Department