5-1 Protective and Diagnostic Functions
The 3G3EV has excellent protective and diagnostic functions. The RUN,
ALARM,and transmission indicators on thefront panelindicate the current
Inverter status, and the data display section also displays information
about an error that has occurred. These functions therefore enable the
user to take the appropriate actions to correct most errors.
Indicator Status Display
RUN indicator
ALARM indicator
(Inside the lower terminal block cover)
Transmission
indicator
•
RUN and ALARM Indicators
The RUN and ALARM indicators indicate Inverter status.
Indicator
Inverter status
RUN ALARM
Flashes Not lit Normal: Ready to run
Lit Not lit Normal: Normal operation in progress
Lit Flashes Warning
Not lit Lit Protection function or Inverter fault (details are shown in
the data display section)
•
Transmission Indicator
The transmission indicator indicates the SYSMAC BUS transmission status.
Transmission indicator SYSMAC BUS transmission status
Flashes Normal transmission
Lit Transmission error or waiting for transmission
Not lit Watchdog timer monitoring error
Chapter 5
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