S03 alarm on mitsubishi

[mik*2]

hello,
can anyone help me with th emeaning for this alarm on my mitsubishi control;

S03 SERVO ALARM 005F Z AXIS

i cant find any reference to this message in my manual...


cheers
mike

[Leelund]

Hello Mike,
I don't have a listing of a 5F alarm either. If you look in your electrical cabinet the Z axis amp should be displaying an alarm code as well. What is the drive saying? What model is the drive?
Lee
PS- A 700/70 Series Handbook says that a S03 005F alarm is the external contactor points are welded together. This could be an external or could be the internal contactor. Also I have seen the scr bad and the red DC Buss indicator lite on the base of the drive is not on. Or it could be on as soon as power is applied to the machine but the servo ready signal is not enabled yet. Something to that effect. Check out the power circuit on the Z axis drive to be sure nothing is amuck.

[mik*2]

hi, check out the pic, this is the Z drive. It shows an SF message. Something to do with signal from the motor encoder maybe?

[Leelund]

Hi Mike,
I was adding info to my original post when you posted the picture. I found a 5F alarm in the MDS manual. It mentions the external contactor being welded. I guess anything along those lines as the contact points being stuck or a dead short in the amp base unit. Good luck to you. Prolly gonna have to shotgun the drive. Hope not.
Lee

[mik*2]

ok, thanks, i will check it out and post the result.

cheers

[Leelund]

Here is the page out of the manualPages from MDS-B-SVJ2.pdf

[mik*2]

great, thanks for that.



cheers

[mik*2]

turns out this alarm is pointing to a fault in the Drive. Have replaced the drive and all good again.