Mitsubishi FREQROL FR-A024-1.5K

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24. TROUBLESHOOTING
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Trouble
Motor speed does not
increase.
Motor
speed
fluctuates du-
motor operation.
CM points
Is the velue set lor upper limit frequency correct? Is it too small?
Is the load too heavy?
Is the stall prevention function activated due to excessively large value
set
tar tomue boast? I
(1) Check the load
(2) Check the input signak.
I
(3) Others
Is the load changing?
Is the frequency setting signal stable?
In me generalpurpose magnetic flux vector control mode, is the
ming for applicable motor capacity (Pr.80) correct for the inverter
capacity and motor capacity?
wring
length longer than 30m (98.46 feet)?
In the generakpurpose magnetic flux vector control mode, is the
In the V/F control mode, is me wiring length too long?
Note: "Pr." is an abbreviation of 'Parameter."
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