Yasnac MRC Alarm 120, encoder communication error

Yaskawa does not support MRC any more. It's hard to say what the problem is because we don't know what axis this alarm comes up on and what size robot arm you have. Was the robot working before you initialized it?

PG stands for pulse generator - another way to refer to an encoder, so to speak. The K3 arm was actually migrated over from the ERC platform from the late 1980s and early 1990s. I hope you have some spare parts for it as they are very hard to come by. Enjoy your robot!

To load programs into the controller or save programs from the controller to a computer, you will need to purchase FDE (Floppy disk emulator) for Windows. This software will probably still be available and purchasable from your local Yaskawa representative.

With respect to the pendant, be aware that there were 2 versions of pendant sold with MRC - one with deadman switch, one without. Not sure which one you are working with, or if the two pendants you have are the same.

Good luck!

Some MRCs require the following steps to get servo power..... Teach lock must be turned ON AND OFF

Turning Teach Lock On

1) Press TEACH on the playback box.
2) Press SELECT.
3) Press T-LOCK (F1).
4) Press ENABLE.

Preparation for playback

1) Press ENABLE.
2) Press SELECT.
3) Press MORE.
4) Press the ARROW UP soft key.
5) Press UNLOCK.

You should replacement Servo Motor (encoder).

Hi. You can use YasXfer device: https://www.yaskawa.eu.com/fileadmin/Down…r_E_09.2017.pdf

Hi every body,
I need technical document (Manual, drawing electrical) for MRC controller (K1004) and Hand held JNC.
Could you please send me by email or link.
Many thanks.
p/s: I bought "used" and don't have document together. My email hieppv.cdt@gmail.com

Hi every body,
I need technical document (Manual, drawing electrical) for MRC controller (K1004) and Hand held JNC.
Could you please send me by email or link.
Many thanks.
p/s: I bought "used" and don't have document together. My email hieppv.cdt@gmail.com

PM me , I can help you.