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4-11 Display Digital Indicator
The output frequency of the inverter and its status, the values set of the adjustment
potentiometers, and fault causes are displayed on the digital indicator of the
control panel, as shown in Table 4-11,
Item
CAUTION
If a fault on the inverter is activated, and the cause of the fault Is
flickering, the corresponding Inverter data can be obtained by using
the monitor function. Write the data down to aid in determining the
cause and how to eliminate the fault before resetting.
To reset the inverter after a fault, open the small door on the front
panel and do one of the following: 1. push the reset push-button on
the main control PCB, 2. activate a remote reset signal If It is wired to
the inverter terminals, 3. or remove control power to the Inverter and
restore the control power. All three methods will reset the inverter.
For more detail, refer to Chapter XIII on Troubleshooting.
Table 4-11 Data Displayed on Digitallndleator (1/5)
Display
example
Display Conditions and Data Displayed
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OFF:
, 1
'--/"'/_-/"-/
,"",_-' - -' , C""' I
,
,
"OFF" IS displayed when MCGB is turned ON and DRIVE SWITCH
I - ' s in the STOP position.
~----~----------------~
LS: Low Speed
i "LS" is displayed when operating commands (RUN and ST) are
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L5
received and the frequency command value is below 3Hz.
While "LS" is being displayed, the inverter does not produce
output power.
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f - - - - - - - - t - - - - - - - - - - - - - - - - I
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Output
frequency
displays
,- ,., I-,
1
c' ,. ,_,
Output frequency
Output frequency is displayed with one digit after the decimal point,
Frequency from "3.0" to "67.0" Hz is displayed when the VfF pattern
selection rotary switch is set on 0, 1, 2, 3,4,5, or 6
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Output frequency
Output frequency is displayed with one digit after the decimal pOint,
e,,-, ,-,
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,_, ,_ • ,_,
Frequency from "3.0" to "SO.O" Hz is displayed when the VfF pattern
selectIon rotary Switch is set on 9,
A,
B, C, 0, E, or F.
4-26
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