Hi RLMTS,
What happens if you simply cancel the tool offset before you attempt the return to home?
This could be a parameter option, whether the current tool offset is cancelled when a new tool change is commanded. If the parameter is "Off" then this might explain what is happening.
Also, check that your softlimits are set properly for the tool extremes, presumably to allow the tool that has to move the fartherest, to be able to complete its move without hitting the soft limit.
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