InverterFR-E800Verification pending — cross-check with the official manual
FR-E800 WR — WR
Alarm — operational, inspection needed
CAUSE
Why does it occur?
- Restore operation is in progress to restore the backup data stored in the computer in the inverter
- Reference manual FR-E800 Instruction Manual (Communication) Inspection interval Inspection interval Cooling fan 10 years Replace (as required) Main circuit smoothing capacitor 10 years*2 Replace (as required) On-board smoothing capacitor 10 years*2 Replace the board (as required)
- ABC*5/ABC2*3 relay
REMEDY · Step by step
How to fix it?
- at fault occurrence Check by user Daily Periodic*3 General Surrounding environment Check the surrounding air temperature, humidity, dirt, corrosive gas, oil mist, etc. ○ Improve the environment
- Overall unit Check for unusual vibration and noise. ○ Check fault location and retighten
- Check for dirt, oil, and other foreign material. *1 ○ Clean
- Power supply voltage Check that the main circuit volta
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.