Mitsubishi Electric FR-A820-00046 Instruction Manual page 436

(E) Environment setting parameters
NOTES When the inverter is mounted with two ore more cooling fans, "FN" is displayed with one or more
fans with speed of 50% or less.
Changing the terminal assignment using Pr. 190 to Pr. 196 (output terminal function selection)
may affect the other functions. Set parameters after confirming the function of each terminal.
For replacement of each part, contact the nearest Mitsubishi FA center.
Life display of internal air circulation fans (IP55 compatible models)
● IP55 compatible models are equipped with the internal air circulation fan inside the inverter other
than the cooling fan. The internal fan fault
DU08) when the rotations per minute is less than 70% of the rated value for the internal air
circulation fan. (FN is displayed on the parameter unit (FR-PU07).) As an alarm display, Pr. 255 bit
4 is turned ON and also a warning is output to the Y90 signal and Alarm (LF) signal.
● For the terminal used for the LF signal, set "98" (positive logic) or "198" (negative logic) in any of
Pr. 190 to Pr. 196 (output terminal function selection).
NOTES Changing the terminal assignment using Pr. 190 to Pr. 196 (output terminal function selection)
may affect the other functions. Set parameters after confirming the function of each terminal.
For replacement of each part, contact the nearest Mitsubishi FA center.
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(FN2) appears on the operation panel (FR-
Parameters