MM44 A0503 r0026=0V

Описание к видео MM44 A0503 r0026=0V

We have a micromaster 440 drive 5,5KW He has been working for over 10 years.
Now, when voltage is applied to it, error A0503 appears. After checking the voltage at the terminals (DC+,DC-), I see 540V, but parameter r0026=0.

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