Need help Troubleshooting Sharp 1118HN-CNC w/ Anilam 4200T X&Y Servo Error at Startup

dbensavage · Jul 10, 2020

Need help Troubleshooting Sharp 1118HN-CNC w/ Anilam 4200T X&Y Servo Error at Startup

Getting a X&Z servo error a few seconds after hitting the servo button at start up. The Servo Drives are Mitsubishi MR-J2S-70A. The Drives have a code of AL30 when the error comes up.

alphonso · Jul 10, 2020

Regenerative error. Lots of possibilities.

1. Wrong parameter setting.
2. brake resister or option not connected.
3. high duty operation or continuous operation exceeded option.
4. Power supply voltage increased beyond 260v.
5.Regenerative transistor faulty.
6.Regenerative brake or option faulty.

Should be able to download manual from Mitsubishi.

dbensavage · Jul 11, 2020

I have delta 3 phase. I’m getting 272 across 2 sets of legs and 245 across one set of legs. The power supplies are getting that voltage so it appears that that is too much? This machine has no transformer For the main line voltage.

alphonso · Jul 11, 2020

That could be part of the problem. Buck transformers may help.

Max Weber · Jul 11, 2020

Yeah your PSU might be blown. I have delta 3 phase and had the same issue. Check the resistors on the board near where your power comes in. I installed buck transformers to get my voltage down to 218 so it put less stress on the PSU.
Larson Electronics - 3-Phase Delta Buck/Boost Step-Down Transformer - 244V Primary - 222V Secondary - 34.35 Amps- 50/60Hz

dbensavage · Jul 12, 2020

Thanks guys, I’ll get a buck transformer to cut down the voltage and see what happens. Just picked this lathe up and don’t know the history on it. I got it cheap enough to retrofit but would prefer to keep it original if possible.

dbensavage · Jul 21, 2020

This was the problem. I got the machine input voltage lowered and the machine is running and fully functional

Guest · Jul 21, 2020

dbensavage said:
This was the problem. I got the machine input voltage lowered and the machine is running and fully functional

Thanks for reporting back, great news! Quite often voltages that high will damage something.

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Need help Troubleshooting Sharp 1118HN-CNC w/ Anilam 4200T X&Y Servo Error at Startup

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Max Weber

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