Toshiba International Corporation

Related Information

Fallback frequency

Function
This parameter sets the action when the analog input level for [II] terminal is the setting value of [F633: II analog input disconnection detection level] or less for approximately 0.3 seconds.
You can trip the inverter or maintain its operation. The trip display is "E-18". If you select other than a trip, alarm "A-18" blinks.

Setting the [F633: II analog input disconnection detection level]
0: Disabled
No detection.
1 - 100
Action of the inverter is based on the setting of [F644: Operation after II analog input disconnection detection] when the analog input level for [II] terminal is the setting value of [F633] or less for approximately 0.3 seconds.

Setting the [F644: Operation after II analog input disconnection detection]
This parameter sets the action when the analog input level for [II] terminal is the setting value of [F633] or less for approximately 0.3 seconds.

Please reference latest AS3 Instruction Manual more details or latest information.

AS3 fault codes, descriptions, symptoms and suggested remedies can be found in the below links. Each fault code can also be linked to directly from the AS3 by accessing the QR code on a mobile device while the AS3 is currently experiencing the fault.

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