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Sterling STT 1600 operating instructions Error and error correction, Dehumidified Air Dryer

Models: STT 1600

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4. Error and error correction

Dehumidified Air Dryer

4. Error and error correction

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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 un- derstood.

It should be ensured in each and every case that the operators have the rele- vant skills.

SM2-630

Error and error correction 4-1

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Sterling STT 1600 operating instructions Error and error correction, Dehumidified Air Dryer

Contents

Operating Instructions Dehumidified Air Dryer STT with Siemens S7 control unitSterling Material Processing SM2-630STT Sterling Material Processing Edition 11/02Order confirmation number SM2-630Page TABLE OF CONTENTS Page Page 1. General Information Dehumidified Air DryerGeneral Information Dehumidified Air Dryer 1.1. Warnings and symbols General Information1.2. Explanations and information 1.3. Legal basis1.4. Fields of applications 1.5. Notes on Usage2. Safety instructions Safety instructionsDehumidified Air Dryer Dehumidified Air Dryer 2.1. For your safety Safety instructionsAssembly GeneralSafety instructions Dehumidified Air DryerOperation Safety instructions MaintenanceDehumidified Air Dryer 2.2. For the safety of the devices Safety instructionsDehumidified Air Dryer Safety instructions Observe that the drying cells must be filled with drying agent before setting-upthe dryer only STT 1600, STT 2400. This will prevent damage of materialDehumidified Air Dryer 3. Start-up Start-upSTT 3.1. Control system 3.1.1. Key assignmentStart-up STT 3.1.2. Flow chart Indicator lamp messagesStart-up SM2-630STT 3.2. Switching on the dryer 3.2.1. Operation statusesStart-up 3.4. Passwords STT 3.3. Viewing the software-versionStart-up Login Start-upLogout EditSTT 3.5. Basic parameters 3.5.1. Turning the devices on/offTimer on/off Start-upStart-up Hopper X on/off X = number of the drying hopperSTT 3.5.2. Entering dryer values Start-upRegeneration Heater Act Used air ActStart-up Return air cooler TargetReturn air cooler Act STT 3.5.3. Entering hopper values Start-upHopper entry X Target Hopper entry X ActStart-up Granules target % = C FGranules act. C F STT 3.5.4. Observing processing status e.g. valve block moved in/moved out/errorStart-up STT 3.5.5. Setting date and time Start-upDate TimeSTT 3.5.6. Viewing/changing language and contrast Start-upContrast LanguageSTT 3.5.7. Changing parameters Start-upSelect ”Parameters” Run on time drying blower --300 secSTT 3.5.8. Setting the timer Start-upXX ON 00 00 OFF 00 00 XX = day Mo-Su STT 3.6. Starting continuous operation Start-upSelect ”Main menu” STT 3.7. Viewing system runtime Start-upSelect ”System runtime” System runtimeSTT 3.8. Switching the dryer off Switch off the dryer at the main switchDisconnect the power supply Start-up4. Error and error correction Error and error correctionDehumidified Air Dryer Error and error correction Failures must be repaired immediately LED “ALARM”Dehumidified Air Dryer Error and error correction Dehumidified Air DryerView Error and error correction Dehumidified Air DryerNumber Total messagesError and error correction Dehumidified Air DryerOverflow Overflow warning On/OffError and error correction PLC = SPS Battery is EmptyMain Switch is Off A Safety Temperature Limiter has been ActivatedError and error correction Excess Temperature Regeneration HeaterInsufficient Temperature Regeneration Heater Error Bypass FlapError and error correction Temperature Measurement Drying Heater DefectiveExcess Temperature Drying Heater Insufficient Temperature Drying HeaterError and error correction Temperature Measurement Granules Defective HopperExcess Temperature Granules Hopper Valve Error Hopper5. Maintenance MaintenanceMaintenance Please observe the maintenance scheduleSTT 5.1. Maintenance intervals MaintenanceSTT 5.2. Cleaning/renewing the air filters MaintenanceMaintenance Return air filter/Regeneration air filterMaintenance Re-installthe cleaned/new filter matFilter of the electrical cabinet Remove the lid of the filterSTT 5.3. Tensioning the V-belts MaintenanceMaintenance ”Regeneration” BlowerMaintenance ”Drying” Blower5.5. Servicing the accessories 5.4. Disposing of the drying agentMaintenance 5.6. Changing the battery of the control system MaintenanceMaintenance Store backup batteries in a dry and cool placeOrder number battery SM2-630STT 5.6.1. Resetting the control values Maintenance6. Functional description Functional descriptionSTT 6.1. Dryer Dew point dependent regeneration switch optionalFunctional description STT 6.2. Drying hopper optional Functional descriptionSTT 6.3. Return air cooler optional Functional descriptionSTT 6.4. Hopper heaters optional 6.5. Automatic motor flaps optionalFunctional description 7. Transport, Assembly and Storage Transport, Assembly and StorageDehumidified Air Dryer Dehumidified Air Dryer 7.1. Transport and Packing Transport, Assembly and Storagewith a fork lift truck Transport, Assembly and Storage Dehumidified Air Dryerwith a workshop crane Transport with a workshop crane SM2-630Dehumidified Air Dryer 7.2. Assembly 7.3. StorageTransport, Assembly and Storage 8. Assembly instructions Assembly instructionsAssembly instructions STT 8.2. Filling up the drying cells Assembly instructionsSTT 8.3. Connection of the air coolers optional Assembly instructionsSTT 8.4. Electrical connection Assembly instructions9. Technical Data Technical DataBasic Equipment Optional EquipmentTechnical Data Dimension sheetSM2-630 10. Spare parts list Spare parts listSpare parts list 99716Ball bearing 05190Spare parts list 10039 31536 Sealing 7216517 Motor flap optional 86379 Motor 88952 SealingSpare parts list S8953210.1. Switching Cabinet and Operating Unit Spare parts listControl Hopper heaters11. Electrical manual Electrical manualDehumidified Air Dryer 12. Accessories AccessoriesDehumidified Air Dryer Version 64.10-0134GB0110/97Accessories Entering values on the OP Sterling Material Processing02/01GB 3.3Entering Values ProcedureGeneral Operation Step3.3.1Entering Numerical Values General OperationException 3.3.2Entering Alphanumeric Values ProcedureGeneral Operation StepProcedure General OperationStep 3.3.3Entering Symbolic Values ProcedureGeneral Operation StepAccessories Flap control with Fuzzy-Logic Sterling Material Processing10/00GB Flap control with Fuzzy-Logic Control unit “flap”10/00GB