InverterFR-E800Verification pending — cross-check with the official manual
FR-E800 E.UVT — Under Voltage
Trip — immediate stop
CAUSE
Why does it occur?
- When a PM motor is used, the protective function is activated in the following case: a fault such as power failure or voltage drop occurs, the converter voltage drops to cause the motor to coast, and restarting and coasting are repeated by the automatic restart after instantaneous power failure function
- Check that no fault is found in the power supply
REMEDY · Step by step
How to fix it?
- Supply appropriate power
- Reference manual FR-E800 Instruction Manual (Function)
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
Summary based on the official Mitsubishi Electric manual. For accurate and complete information, always consult the official manual.
Open official manual ↗