Rob B
Full Member level 4
I've been given an EP-3959E-C3 board from a motor drive.
FUS2, a 2A fuse, opened while starting.
Perhaps this is happening when it switches star to delta? It is apparently a large motor so that is an assumption.
I'm unable to find any information on these and will be looking at the rest of the machine soon in an attempt to find what is connected to this board.
The owner has not been able to source a replacement in the UK.
// Edit.
Looking at the FUJI drive I see Er7 during startup. The motor starts turning but the drive shuts down.
According to this link it might be a "tuning error": https://www.fujielectric.com/products/drives_inverters/asia/frenic-mega/products/index4_4_1.html
"Stop the inverter output when tuning failure, interruption, or any fault as a result of tuning is detected during tuning for motor constant."
I have no diagrams for the installation. Maybe still the star-delta changeover?
Many thanks
.
FUS2, a 2A fuse, opened while starting.
Perhaps this is happening when it switches star to delta? It is apparently a large motor so that is an assumption.
I'm unable to find any information on these and will be looking at the rest of the machine soon in an attempt to find what is connected to this board.
The owner has not been able to source a replacement in the UK.
// Edit.
Looking at the FUJI drive I see Er7 during startup. The motor starts turning but the drive shuts down.
According to this link it might be a "tuning error": https://www.fujielectric.com/products/drives_inverters/asia/frenic-mega/products/index4_4_1.html
"Stop the inverter output when tuning failure, interruption, or any fault as a result of tuning is detected during tuning for motor constant."
I have no diagrams for the installation. Maybe still the star-delta changeover?
Many thanks
.
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