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9. 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 appropriate action. If any of the causes does not apply to
the alarm, a failure may have occurred. In that case, contact your sales
representative.
Operation
Option Unit
Panel
LED Status
Indication
0.00
Off
E.***
Off/on
* The error code of the inverter enters.
Assumed
Cause
Make sure that the option is fitted
properly.
Option unit
Reset the inverter.
does not
Perform parameter all clear to return
function.
the parameters to the factory settings,
and switch power off once, then on
again.
Make sure that the network cables
between the nodes are connected
properly.
Make sure that the network cables are
terminated.
Network is
instable.
Check the network setting from the
Profibus-DP Network Configuration
Software.
Check the other nodes for a network
error.
Network master
does not exist
Check the connection and operation of
or does not
the Profibus-DP master.
function
properly.
Inverter in error Refer to the inverter manual.
66
Check Point
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