FLYGT 4640 - The machine starts-stops-starts in rapid sequence

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Does the contactor’s selfholding
function break?
No
3. The machine starts-stops-starts in rapid sequence
Yes
Check:
— contactor connections.
— the voltage in the control circuit in relation to the rated
voltage on the coil.
Contact Flygt service shop.
Do not override the motor protection repeatedly if it has tripped.