DPD-3 Thermal Conduction Vacuum Dryer  
Issues > Check/Troubleshooting
Operation Prep Miss Alarm appears on alarm screen.
  1. Operation Prep push button (WARM UP) PB-1 is not lighting up during operation.

1. Operation Prep push button (WARM UP) PB-1 is not lighting up during operation.
  1. After pressing the PB-1 button, press the Reset key on the alarm check screen.
If problem persists
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