Commander Sk Vfd

[Kennlindeman]

I have a Commander SK drive which has a HF20 error Is there anyone who could offer some ideas as to what the problem is

 

[JimDawson]

Had to dig a bit to find this one. Looks like a power board fault.

http://www.efesotomasyon.com/html/emerson/CTTG138.pdf

 

[Kennlindeman]

Thanks for that Jim, next question is it something that a person could fix themselves or time for the dealers to make money

 

[JimDawson]

I guess you could open it up and take a look. Just depends on your electronic troubleshooting skill level. Could be a bad rectifier or a bad capacitor. Use caution, high voltages could be present on the capacitors. Check capacitors with a voltmeter before going too deep.