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F30021 Power unit: Ground fault

12/17/2018 2:08 AM	Rate (0)
PhilSiemens1 Advanced Member Joined: 1/16/2015 Last visit: 9/2/2025 Posts: 46 Rating: (1)	Hello, Are the faults resettable? Thanks Phil

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9/18/2021 5:15 PM	Rate (0)
dwrighttxrobogistics Regular Member Joined: 5/19/2020 Last visit: 1/28/2025 Posts: 5 Rating: (0)	I have encountered this fault when the DC Bus polarity is reversed to an external braking module.

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This contribution was helpful to 1 thankful Users Kothale

4/11/2024 3:27 AM	Rate (0)
Lordsagui Posts: 3 Rating: (0)	Good night, how did you resolve this problem?
Lordsagui Posts: 3 Rating: (0)
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4/11/2024 3:27 AM	Rate (0)
Lordsagui Posts: 3 Rating: (0)	Good night, how did you resolve this problem?
Lordsagui Posts: 3 Rating: (0)
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4/11/2024 12:47 PM	Rate (0)
dwrighttxrobogistics Regular Member Joined: 5/19/2020 Last visit: 1/28/2025 Posts: 5 Rating: (0)	My braking module had two large wires connected to screw terminals. I swapped the two cables between the two terminals on one end, reversing the polarity.

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