InverterFR-A800Verification pending — cross-check with the official manual
FR-A800 WR — Restoration in progress
Alarm — operational, inspection needed
CAUSE
Why does it occur?
- The backup data stored in the GOT is used to restore the data in the inverter. (Refer to page 722.) ==PAGE822== 821
- PROTECTIVE FUNCTIONS 6.6 Check first when you have a trouble 1 2 3 4 5 6 7 8 9 10 6.6 Check first when you have a trouble For Real sensorless vector control and Vector control, also
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,
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 ↗