SDF 250/400/500

Excess Temperature Heater Hopper X

(X = number of the drying hopper)

The temperature of the hopper heater is too high.

Check the safety temperature limiter.

Sterling Service.

Insufficient Temperature Heater Hopper X

(X = number of the drying hopper)

The temperature of the hopper heater is too low.

Check the hopper heater.

Temperature Measurement Granules Defective Hopper X

(X = number of the drying hopper) Check cables and sensor.

Check the power supply.

Short circuit check.

Excess Temperature Granules Hopper X

(X = number of the drying hopper) The material temperature is too high. Check the heater.

Check the throttle valve.

Valve Error Hopper X

(X = number of the drying hopper)

The throttle valve does not close or closes too slowly.

Check the throttle valve.

Temperature Measurement Pre Air Defective

Check cables and sensor.

Excess Temperature Pre Air

Check cables and sensor.

Check the pre air cooler.

Error feedback SSR Regeneration Heater

Check Solid State Relais (= SSR).

Error and error correction 4-5

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Sterling SDF 500, SDF 400 Excess Temperature Heater Hopper, Insufficient Temperature Heater Hopper, Valve Error Hopper