Troubleshooting steps
Check emergency stop buttons, verify safety interlocks, test safety relay
Robot Error Codes
Yaskawa A73 – Safety circuit fault
Safety circuit fault
Details
Yaskawa A73 error on DX, YRC series indicates safety circuit fault. Emergency stop activated, safety interlock open, safety relay fault. Check emergency stop buttons, verify safety interlocks, test safety relay.
Error typesafety
MeaningSafety circuit fault
Typical causesEmergency stop activated, safety interlock open, safety relay fault
SolutionsCheck emergency stop buttons, verify safety interlocks, test safety relay
SeverityCritical
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Where this appears
YaskawaA73
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What does A73 mean on Yaskawa robot?
A73 on Yaskawa DX, YRC series indicates safety circuit fault. Emergency stop activated, safety interlock open, safety relay fault.
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