Cybex 750A/750AT Arc Trainer Service Manual
ERROR 31 - EEPROM WRITE FAILURE
Note ERROR 31 present
in log. Restart unit.
Does the error
reoccur after restart?
Yes
Check data cable
continuity and
connections.
No
Is the data cable
Replace data cable.
No
OK?
Yes
Replace lower controller
board.
Completed.
Service
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