Unit will intermittently code A1 during operation. Reset Key on/off and we regain operation. Unit goes through self test fine. I can access maintenance features, BUT, if trying to access the hour meters it will code out immediately to A1. I sent in the original VFC card with updated firmware along with a brand new ODI (never installed) to Raymond for pre-programming. This did not fix it. I replaced the ODI cable assy and this did not fix it. Has anyone ever had this code and what fixed it?
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