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10. TROUBLESHOOTING
Display Name Definition Cause Action
(Note)
888
Watchdog CPU, parts faulty Fault of parts in servo amplifier
Checking method
Alarm (888) occurs if power is
switched on after disconnection of
all cables but the control circuit
power supply cable.
Change the servo amplifier.
Note. At power-on, "888" appears instantaneously, but it is not an error.