Lenze inverter 9400 HighLine DC-Bus undervoltage DRIVE ERROR

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myacine16
Posts: 2
Joined: Fri Mar 24, 2017 12:28 pm

Lenze inverter 9400 HighLine DC-Bus undervoltage DRIVE ERROR

Post by myacine16 » Tue Jun 09, 2020 12:10 pm

Hi all.
I have a problem 9400 highline inverter Lenze ,
The "DC-bus undervoltage" error with the response "Trouble" occurred in the "Diagnostic" of "Engineer"
how i can solve this problem knowing that the real dc-bus voltage is 563 volt
i need service or repair manual of 9400 highline

reSETmgn
Posts: 2
Joined: Thu Sep 06, 2018 6:45 am

Re: Lenze inverter 9400 HighLine DC-Bus undervoltage DRIVE ERROR

Post by reSETmgn » Sun Dec 06, 2020 4:13 pm

When repairing Lenze9300, we were assisted by the replacement of low-voltage capacitors (15-60V)

jo75
Posts: 1
Joined: Tue Sep 01, 2020 12:29 pm

Re: Lenze inverter 9400 HighLine DC-Bus undervoltage DRIVE ERROR

Post by jo75 » Sun Feb 14, 2021 8:50 pm

Try to check the DC voltage monitor it could be a faulty components, resistor, age degradable capacitor or op-Amp.
Good luck.

Matleyone
Posts: 1
Joined: Mon Apr 28, 2014 2:04 pm

Re: Lenze inverter 9400 HighLine DC-Bus undervoltage DRIVE ERROR

Post by Matleyone » Sun Feb 21, 2021 2:50 pm

i think is hardware problem, you can send a drive to service or replace with new.

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