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micromaster 440 error F0021 and F0054

Created by: muha_mag at: 2/28/2018 9:45 AM (4 Replies)

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2/28/2018 9:45 AM	Rate (0)
muha_mag Posts: 80 Rating: (1)	Hi, at micromaster 440 75kW when I plug in power everything is ok. When I start, the engine shows an error F0021 or F0054. I changed the I / O board and again shows the same error. I also changed the A786J A / D converter that measures current by phase, but I still have the same errors
muha_mag Posts: 80 Rating: (1)
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2/28/2018 12:48 PM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 11/23/2024 Posts: 8092 Rating: (883)	Hello, F0021 is ground fault. Have you checked the motor cable & motor for ground fault?

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2/28/2018 1:25 PM	Rate (0)
muha_mag Posts: 80 Rating: (1)	yes, it is ok
muha_mag Posts: 80 Rating: (1)
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3/1/2018 5:00 AM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 11/23/2024 Posts: 8092 Rating: (883)	Have you checked CTs resistance? Is it same for all? How much is the value of CT resistance?

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3/1/2018 10:52 AM	Rate (0)
muha_mag Posts: 80 Rating: (1)	where is that resistance?
muha_mag Posts: 80 Rating: (1)
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