Overvoltage

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The R&M Materials Handling Frequency Converter has detected an overvoltage condition, which could be caused by an excessively high supply voltage or a fault in the braking resistor circuit. Issues such as a failure of the resistor itself or a break in its wiring can trigger this fault.

• Supply voltage exceeding the rated input range
• Failure of the braking resistor
• Break in the braking resistor wiring

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Measure the supply voltage and compare it to the specified hoist supply voltage on the hoist type plate

2. 2

   Measure the resistance of the braking resistor

3. 3

   Perform a visual inspection of the braking resistor and its wiring connections