a5001 fault abb - comes when hardware issue in drive like power card, control card or power supply section. First power of drive and check drive hardware using multi-meter.
Cause : Faulty control card or power supply section of power card. Some time this fault comes when faulty IGBT or rectifier and other hardware issue in drive.
Follow these step to correct this fault :
1. Check drive IGBT & rectifier using multimeter.
2. Check Drive SMPS(power supply) section and check all supply voltage.
3. Check control card supply like 24V and 10V.
4. Check drive power card - like any flash inside.
First remove fan from drive and power up drive, check alarm coming or not.
If alarm coming after removing fan then check drive IGBT & rectifier using multimeter.
Also physically any burn or flash in drive power card or control card.