alarm 9

[saurabh_sharma825]

sir I havr a drive Vlt 2800 2hp drive .that drive have a alarm 9 bur moter not cobnected. when we power start then alarm come plz help

 

[nehpets]

http://www.danfoss.com/nr/rdonlyres/d1e3958f-0b50-42e1-9d91-b7e3cd09cfc3/0/project_manual_vlt_2800_eng.pdf

This is the manual check out page 149 - alarm 9 = inverter overload

 

[saurabh_sharma825]

al9

al 9 fault come but moter not connected so why inverter overload.plz help

http://www.danfoss.com/nr/rdonlyres/d1e3958f-0b50-42e1-9d91-b7e3cd09cfc3/0/project_manual_vlt_2800_eng.pdf

This is the manual check out page 149 - alarm 9 = inverter overload

 

[nehpets]

I don't know this inverter, i've never used it. It could be that the output SCR's may have shorted, you don't say if it's single or three phase supply, if three phase, do you have all three phases present and correct? Is this a new or used inverter?

Steve