Sterling SDF 500, SDF 400, SDF 250 manual LED Alarm

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SDF 250/400/500

F

&

Failures must be repaired immediately.

Alarm messages are displayed in plain language on the screen of the operator device. An alarm is given by flashing of the LED “alarm”.

The display of alarm messages in the operator device can only be erased by pressing the “ACK” key. The failure is not repaired.

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

Alarm messages are displayed in plain language with date and time in the alarm protocol.

LED “ALARM”:

flashes in case of an error;

is on if the error has been acknowledged but not yet eliminated; is off if there are no errors

Error and error correction 4-2

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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 Fields of applications Explanations and informationLegal basis Safety instructions General Assembly OperationMaintenance For the safety of the devices Start up Control Unit Touch ScreenSwitching on the Dryer Basic parameters Entering Dryer ValuesHeater Reg. Act Exit air ActDew point max Dew point ActEntering hopper values Hopper temp Target Hopper temp ActGranule Temp Drying time TargetSetting the timer Timer is only operating, when the dryer is switched on Actual operation status Actual hopper temperature displayed in C Status dryerObserving processing 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 Error Bypass Flap Error Valve BlockTemperature Measurement Outgoing Air Defective Excess Temperature Return AirExcess Temperature Heater Hopper Insufficient Temperature Heater HopperTemperature Measurement Granules Defective Hopper Excess Temperature Granules HopperOverload Drying Heater STB has been activated Main switch hopper heater # Controller is offOverload Regeneration Heater STB has been activated Alarm protocol Maintenance SDF 250/400/500 Maintenance schedule Cleaning or Replacing the Air Filter Cleaning or Replacing the Return Air Filter SDF DryerCleaning or Replacing the Regeneration air filter Filter of the electrical cabinet Disposing of Drying Agents Cleaning the Drying Hopper Remove any granules remaining in the cleaning opening STTSTT 60 Changing the battery of the control system Notch on the battery connector must point to the leftSDF 250/400/500 Resetting the control values Functional description Dew point dependent regeneration switch optional General InformationDrying Hopper Optional Hopper heaters optionalConnection to a Pneumatic Conveying System Optional Return Air Cooler OptionalTransport, Assembly and Storage Tansport and Packing Transport with a fork lift truckTransport with a workshop crane Assembly StorageAssembly instructions Connection of Return Air Cooler Optional Electrical Connection Compressed Air Supply Technical data Basic VersionOptional Equipment PerformanceSDF 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