Sterling SDF 250, SDF 400, SDF 500 manual Error and error correction

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SDF 250/400/500

4. Error and error correction

This chapter is directed at the operators of the equipment.

This chapter assumes general skills in dealing with drying systems and SPS (PLC) control units.

This chapter assumes that the “start-up” description has been read and understood.

It should be ensured in each and every case that the operators have the relevant skills.

&An alarm is indicated by flashing light of the button “Alarm”.

If the alarm message is acknowledged by pressing the button “Alarm”, but the failure is not yet eliminated, the flashing changes to steady light. If the failure is repaired the light is off.

Error and error correction 4-1

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Contents Sterling Material Processing SDF 250/400/500 SDF 250/400/500 Table of contents 10-1 General Information SDF 250/400/500 SDF 250/400/500 Legal basis Explanations and informationFields of applications Safety instructions General Operation AssemblyMaintenance For the safety of the devices Start up Touch Screen Control UnitSwitching on the Dryer Entering Dryer Values Basic parametersDew point Act Heater Reg. ActExit air Act Dew point maxEntering hopper values Drying time Target Hopper temp TargetHopper temp Act Granule TempSetting the timer Timer is only operating, when the dryer is switched on Observing processing status Actual hopper temperature displayed in C Status dryerActual operation status Setting date and time Changing language SDF 250/400/500 Continuous operation SDF 250/400/500 Start up Switching the dryer/hopper heater off Error and error correction LED Alarm Actual messages Excess Temperature Return Air Error Bypass FlapError Valve Block Temperature Measurement Outgoing Air DefectiveExcess Temperature Granules Hopper Excess Temperature Heater HopperInsufficient Temperature Heater Hopper Temperature Measurement Granules Defective HopperOverload Regeneration Heater STB has been activated Main switch hopper heater # Controller is offOverload Drying Heater STB has been activated Alarm protocol Maintenance SDF 250/400/500 Maintenance schedule Cleaning or Replacing the Air Filter SDF Dryer Cleaning or Replacing the Return Air FilterCleaning or Replacing the Regeneration air filter Filter of the electrical cabinet Disposing of Drying Agents Cleaning the Drying Hopper STT Remove any granules remaining in the cleaning openingSTT 60 Notch on the battery connector must point to the left Changing the battery of the control systemSDF 250/400/500 Resetting the control values Functional description General Information Dew point dependent regeneration switch optionalHopper heaters optional Drying Hopper OptionalReturn Air Cooler Optional Connection to a Pneumatic Conveying System OptionalTransport, Assembly and Storage Transport with a fork lift truck Tansport and PackingTransport with a workshop crane Storage AssemblyAssembly instructions Connection of Return Air Cooler Optional Electrical Connection Compressed Air Supply Performance Technical dataBasic Version Optional EquipmentSDF 250/400/500 Accessories Accessories Spare parts list Drying Hoppers STT 25 STT STT 25 STT STT 25 STT STT 25 STT STT 25 STT STT 25 STT