Yaskawa AC Drive Z1000 Bypass Technical Manual - Manual (Page 259)

u Motor Does Not Restart after Power Loss
Cause Possible Solutions
The Run command was not issued again when power
was restored.
• Check the sequence and wiring that has been set up to enter the Run command.
• A relay should be set up to make sure the Run command remains enabled throughout any power
loss.
The relay that is supposed to maintain the Run
command has been switched off.
Check wiring and circuitry for the relay intended to keep the Run command enabled.
6.9 Troubleshooting without Fault Display
YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual 259
6
Diagnostics & Troubleshooting