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Electronic error codes - Hitachi SJ200
An error code is automatically displayed if a fault causes the frequency converter to trip out. The following list contains error
codes and their possible causes to consider. For resetting see page 33.
Error code Explanation Possible Causes
E01
Overload under continuous operation The most common codes in this
category are E01 and E03. This error
may arise in the event of momentary
overload. This may be due to the
machine being run too quickly or with
a high load. Try reducing the speed,
alleviating the load by moving the
position of the weights and checking
your tools. If the error is an E03,
you can try starting the machine on
another surface.
E02
Overload under retardation See E01
E03 Overload under acceleration See E01
E04
Overload at stationary position See E01
E05 Overload Occurs during prolonged overloads.
If the overload lamp has been lit for
a length of time, this will be the result
when the electronics cannot handle
the load any more. Drop the speed
or reduce the load by adjusting the
weights or tools.
E07 Overvoltage May arise if there is a mechanical
fault and the motor generates current
back to the electronics. Check the
mechanical functionality such as belts
and bearings.
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