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DPD-3 Thermal Conduction Vacuum Dryer  
Issues > Check/Troubleshooting
Blower Thermal Alarm appears on alarm screen.
  1. Convey Blower operated either in overload mode or with a missing phase, causing a thermal relay to trip.

1. Convey Blower operated either in overload mode or with a missing phase, causing a thermal relay to trip.
If the bearings on the blower are worn and excessive pressure is applied on rotation, an overcurrent will run and the thermal will trip.
  1. After fixing the cause of the alarm, press the recovery button of the OCR-1 thermal relay on the MS-1. Then press the reset key on the alarm check screen.
If problem persists
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