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What is the cause and method of rectifying Err 99.0 other fault (non-disclosed alarm)?

ID:
40414
Issued:
Apr 3rd, 2017
Updated:
Apr 18th, 2017

What is the cause and method of rectifying Err 99.0 other fault (non-disclosed alarm)?

ANSWER
■ Cause
Fault generated by excessive EMI. This error sometimes occurs when alarm clear is performed while Safety input 1 and Safety input 2 are incorrect (input photo-coupler is ON).
■ Action
Shut off the power and restart.
If the problem recurs, replace the motor and amplifier.
After returning Safety input 1 and Safety input 2 to a normal state, perform alarm clear.
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