InverterFR-E800Verification pending — cross-check with the official manual
FR-E800 E.CPU — Fault 5
Trip — immediate stop
CAUSE
Why does it occur?
The inverter output is shut off if the communication fault of the built-in CPU occurs. • Check for devices producing excess electrical noises around the inverter. • When Ethernet communication is used, check that the communication cable is connected properly. • Check if a cable is connected between terminals PC and SD. (E.6, E.7)
REMEDY · Step by step
How to fix it?
- • Take measures against noises if there are devices producing excess electrical noises around the inverter. • When Ethernet communication is used, connect the communication cable properly. • When a cable is connected between terminals PC and SD, remove the cable. (E.6, E.
- • Contact your sales representative. Reference manual • FR-E800 Instruction Manual (Function) • FR-E800 Instruction Manual (C
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.
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