Undervoltage (E.uvt Display) [Demonstration] - Mitsubishi Electric FATEC FR-A800 Manual

5
BREAKDOWN MAINTENANCE
5.2.9

Undervoltage (E.UVT display) [Demonstration]

The shorting bar between P and P1 on the terminal block on the rear side of the demonstration
machine is removed.
Check that E.UVT is displayed right after the inverter is powered ON due to the decreased bus power
voltage.
The shorting bar between P1 and P is detached.
P1 P
phase loss
PX PR
5.2 Troubleshooting by the demonstration machine
Motor PS and
SD short
Normal
Open
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