Applicable Systems
MELSEC FX3U
MELSEC FX5U
FR-A800
FR-A700
MR-J4
iQ-R Motion Controller (R32MTCPU/R16MTCPU)
Symptoms
Multiple machine JOG start commands were turned ON simultaneously for the same machine, or forward and reverse JOG commands were both ON.
Possible Causes
- Multiple JOG start commands active simultaneously, or both forward and reverse JOG commands ON.
Troubleshooting Steps
- Step 1: Ensure only one JOG direction command is active at a time. Wait for current JOG to complete before starting another.
Refer to manual for details
How to Reset
Reset using [Rq.2240] Machine error reset command (M43616+32m) or Error reset (SM50). Clear the root cause before resetting.
Source: MELSEC iQ-R Motion Controller Programming Manual IB-0300309-L, Appendix 2 & 3
Category: PLC & VFD