Kone V3F16L reliability

Guest · 2012-10-01T15:07:00Z

I've repaired a few of these Kone V3F16L drives.Usually the problem is a blown IGBT module, type BSM50GP120.When this fails it generally takes with it a bunch of diodes and resistors plus the occasional opto-coupler and capacitor. The high voltage inside the IGBT module shorts to one or more of the the insulated gates.The last repair lasted about 6 weeks.Has anyone got any idea why these drives fail like this?Could it be something to do with the pair of contactors carrying the motor feeds, an unbalanced 3 phase supply or just an under-rated drive for the particular lift? The one in question is in a theatre and could get very hot with a lot of continuous use...

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ciprilain10

(@ciprilain10)

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07/06/2025 11:04 pm

Could you send the electrical diagram to the address : [email protected] ?
Thank you !

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i hanvent

(@i hanvent)

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09/06/2025 2:55 pm

hello i have interested inverter KONE

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jasonli

(@jasonli)

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26/08/2025 8:00 pm

Yes I also am interesting to V3F16L driver, but I have to honestly say I have new drivers to sell, Contact me by [email protected]

Jaons li
acted as spare parts manager, Kone China Front Line.

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