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