Vacon CX - Page 40

TROUBLESHOOTING Service Manual M4 - M10
11.07.2002 Page 40
F20
Measure 10V reference signal across terminals
1-3 on a control board
F20 10V VOLTAGE REFERENCE
Disconnect an external load from circuit and
measure voltage across terminals 1-3 on control
board
Clear fault memory
10V ref
OK
10V ref
OK
Replace the control board with functioning one
according to instructions on section 9.3.6.
Load software into Control board according to
instructions on section 12 and set parameters
Reference signal is loaded excessively by
external circuit Iout > 10mA
Make corrective measures to external control
circuit
YES
NO
NO
YES