Chapter 14 Fault CodesMH300
ID No.
Display Fault Name Description
50
Emergency stop
(EF1)
When the contact of MIx =
stops immediately and displays
The motor is in free running.
Action and Reset
Action condition MIx=EF1 and the MI terminal is ON
Action time Act immediately
Fault treatment parameter N/A
Reset method Manual reset
Reset condition
Manual reset only
after the external fault is cleared (terminal status is
recovered)
Record Yes
Cause Corrective Actions
When Mix = EF1 activates
Verify if the system is back to normal condition, and then press “RESET
key to go back to the default.
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