Vacon CX Service Manual page 48

"AC ON"
Check RS-232 cable (connections) and panel
"AC ON" occured
during software
loading
NO
Turn off the power, wait and start up the drive.
"AC ON"
NO
Possible interference of control signals or RS232 cablel
Clear fault memory
TROUBLESHOOTING
11.07.2002
"AC ON"
Check loader settings and connections. Try loading
YES
Replace the control board with operative one according
YES to instructions on section 9.3.6. Replace defective parts
Load software into the control board according to
Service Manual M4 - M10
software again.
"AC ON" NO
YES
as recommended in spare part lists
instructions 12 and set parameters
Page 48