KPS Main Contactor K1 Stuck

Was bedeutet K1 contactor welded PMx ?

The main contactor K1 in the KPS module (PMx) is stuck (welded) in either a closed or open position. This prevents proper control of power flow to the drive system.

• KPS main contactor (K1) is stuck in the closed position.
• Mechanical obstruction preventing KPS main contactor K1 from opening.
• Electrical fault causing KPS main contactor K1 to remain energized.
• Failed KPS control logic preventing K1 release.

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1. 1

   Exchange the KPS module, as the K1 contactor is an integral component.