LSIS SV-iS7 series, User Manual

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Troubleshooting and Maintenance
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Type Category Details Remarks
When Control Mode (DRV-09) is Vector: The trip occurs when
OUT-31-32 is set to BR Control and the current is lower than
half of the BAS-14 value.
7.1.3 Keypad and Optional Expansion Modules
Type Category Details Remarks
Lost Keypad Level
Displayed when operating commands come from the
keypad or there is any problem with the communication
between the keypad and inverter’s main body in Keypad JOG
mode. Operates when PRT-11 is set to any value other than
“0” (occurs 2 seconds after the communication is
interrupted).
-
Lost
Command
Level
Displayed when a frequency or operation command error is
detected during inverter operation by controllers other than
the keypad (e.g. using a terminal block and a communication
mode). Set PRT-12 to any
value other than “0”.
-
Option Trip-1 Latch
Displayed when the extension module is removed from
option slot No. 1 after it was installed while the inverter was
turned on, or when communication is not available with the
inverter.
-
Option Trip-2 Latch
Displayed when the extension module is removed from
option slot No. 2 after it was installed during power supply,
or when communication is not available with the inverter.
-
Option Trip-3 Latch
Displayed when the extension module is removed from
option slot No. 3 after it was installed during power supply,
or when communication is not available with the inverter.
-
I/O Board
Trip
Latch
Displayed when the basic and insulated I/O boards are
disconnected or have a connection fault.
-
Note
Level : When the fault is corrected, the trip or warning signal disappears and the fault is not saved
in the fault history.
Latch : When the fault is corrected and a reset input signal is provided, the trip or warning signal