Circuit breaker Q5 Pacemaker trips

Problem:

Circuit breaker Q5 trips when the machine is switched on or during production.

Possible Causes or Resolutions:

  • Measure voltages at all phases, even under load. It is possible that one phase did drop down, and this triggered the circuit breaker.
  • Measure the current of each phase with a current clamp after Q5. If the measured value is below the value of the circuit breaker and Q5 still keeps tripping, the circuit breaker may be defective. Replace it.
  • Maybe the parameter “Low bat voltage” (coming from Pacemaker) is set too low: That means that the contactor in the Pacemaker closes too early with a precharge voltage that is too low and therefore Q5 trips. To check this, please open a ticket to contact CanMan.

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All Can Man content is now also available on the Soudronic Group website.
Where do you want to continue your journey?