Output Phase Loss (E.lf Display) [Demonstration] - Mitsubishi Electric FATEC FR-A800 Manual

5
BREAKDOWN MAINTENANCE
5.2.5

Output phase loss (E.LF display) [Demonstration]

Check that E.LF is displayed in a few minutes due to the U phase loss after switching the left switch
on the rear side to the motor phase loss side and turning ON STF and high speed RH.
P1 P
(1) Corrective action
1) Use FR Configurator2 to check the output voltage and output current, and to compare them
with the normal values.
2) Switch the Motor phase loss/Normal switch on the rear side of the demonstration machine to
Normal.
phase loss
PX PR
Push the tab up.
5.2 Troubleshooting by the demonstration machine
Motor PS and
SD short
Normal
Open
Output current/voltage is unstable.
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