Yaskawa All models code A1-04

For your safety

This fault is rated high and involves an area that affects personal safety. No remote repair or do-it-yourself instructions are given; do not use the appliance or try to open or repair it.

Hazard area: mains voltage

Do not use the appliance and call an authorised service. If there is a risk to life, move to a safe place and see the emergency numbers.

The emergency numbers here are for Turkey. If you are outside Turkey, call your local emergency number.

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Meaning

The drive is not in the Drive Mode. The HAND button was pressed. Auto-Tuning has just completed. A Fast Stop was executed and has not yet been reset. Settings are incorrect for the source that provides the Run command. There is faulty wiring in the control circuit terminals. The drive has been set t

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Possible causes

The drive is not in the Drive Mode. The HAND button was pressed. Auto-Tuning has just completed. A Fast Stop was executed and has not yet been reset. Settings are incorrect for the source that provides the Run command. There is faulty wiring in the control circuit terminals. The drive has been set to accept the frequency reference from the incorrect source. The terminal set to accept the main speed reference is set to the incorrect voltage and/or current. Selection for the sink/source mode and the internal/ external power supply is incorrect. Frequency reference is too low. Multi-function analog input is set up to accept gain for the frequency reference, but no voltage (current) has been provided. The OFF button was pressed when the drive was started from a REMOTE source. Motor starting torque is too low.

Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.