Problem & answerG-18
Motor or Vacuum Pump Rotating the Wrong Way
Likely causes
- Supply phases connected in the wrong sequence
How to fix it
- 1Check rotation on start-up against the direction arrows or the manual (on many dosing-disc machines the discharge motor turns anticlockwise and the vacuum pump clockwise).
- 2If rotation is wrong, isolate and lock out main power.
- 3A qualified electrician swaps two supply phases at the terminal, following the wiring diagram on the control door.
- 4Re-test rotation.
It is fixed when
All motors rotate in the specified direction.
Stop it coming back
- Check rotation after any electrical work or relocation.
Did this solve the problem?