For Internal Office Use Only
9. DIAGNOSIS LED for DRIVE
MODULE
LED shows
Malfunction
Remarks
5 signals
Direction contactors do
Do contactors switch and do
not close or no
the correct direction selection
connection to drive
signals apply at the drive
motor control
unit?
Check cable to drive motor;
check carbon brushes; if OK
but error code displayed,
replace the drive module
6 signals
Drive rheostat or cable
Check drive rheostat and
connection interrupted wiring, possible loose contact
at the plug connectors
Is drive rheostat not in neutral
position when machine is
turned ON?
