Mitsubishi Electric FR-A700 Technical Manual page 332

(k) Using terminal PC as a power supply.
(l) I/O terminals on the control terminal block
(including the I/O terminals of built-in options
for ) are ON (conducted).
E700
(m) A built-in option is installed (only for
0.75K or less).
•
Turning the
measurement before LED turns OFF may cause
"during measurement" [Pr. 259 =2] output to
continue. In that case, re-do the operation from 2.
(5) Cooling fan life display
The cooling fan speed of 50% or less is detected and
"FN" is displayed on the operation panel and
parameter unit (FR-PU04/FR-DU07). As an alarm
display, [Pr. 255] bit2 is turned ON and also an alarm
is output to the Y90 signal.
When the inverter is mounted with two or more
cooling fans, the life of even one cooling fan is
diagnosed.
power supply ON
E700
during
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PARAMETER