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10.TROUBLESHOOTING
If an alarm occurred in the inverter and the inverter and option unit do not function, refer to the following
check points, find the cause from the operation panel indication of the inverter and the LED status of the
option unit, and take an adequate action. If any of the causes does not apply to the alarm, a failure may
have occurred. In that case, contact your sales representative.
* The error code of the inverter enters.
Operation
Panel
Indication
Option Unit
LED Status
Assumed Cause
Check Point
0.00
Off
Option unit does not
function.
Make sure that the option is fitted properly.
Reset the inverter.
Perform parameter all clear to return the parameters to the
factory settings, and switch power off once, then on again.
Network is instable.
Make sure that the network cables between the nodes are
connected properly.
Make sure that the network cables are terminated.
Check the network setting from the Profibus-DP Network
Configuration Software.
Check the other nodes for a network error.
Network master does not
exist or does not function
properly.
Check the connection and operation of the Profibus-DP
master.
E.***
Off/on
Inverter in error
Refer to the inverter manual.