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Chapter 6
Troubleshooting
6.1.
Protection Messages and Actions
6.1.1.
Displays and Behaviors in Protection Display Mode
When the converter starts a protection operation due to an abnormality while it operates, it stops operation,
and the console enters the protection display mode to display the started protection.
For notification, the protection operation blinks in the seven-segment display.
For what are displayed, refer to {6.1.2. List of Protection Messages}.
Refer to this list and then take actions as described in {6.1.3. How to Handle Protection Messages}.
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Displays in the protection display mode
When a single protection starts
The started protection operation blinks.
・
The protection message is prepended with "1."
When multiple protections start
The protection operations are numbered in the order in which they
are detected, and they will blink.
・
They are displayed in turn every one second.
↑↓
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Behaviors of the converter in the protection display mode
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Stop operation (with some exceptions)
・
Enable protection contact [86A] output (with some exceptions)
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Operations in the protection display mode
(1) Even during a protection operation, you can press the [MONI/FNC] key to switch to the monitor (MONI) mode
or the function setting (FNC) mode to operate the converter.
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To handle a protection operation, you should sometimes change parameter settings.
(2) Six types of protection operation data (such as AC current) can be displayed, and a state when an abnormality
occurs can be checked.
・
Refer to {6.2.1. How to Display Protection Operation Data}.
(3) Before performing reset, find a cause of a protection operation and take any measures.
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For how to perform reset, refer to {6.3. How to Reset Protection Display Mode}.