9. Diagnosis LED for the
Drive Module
LED shows
Malfunction
Remarks
3 flashes
“M” and “B-”
Check cable to drive motor;
h t i
it d
h
k
b
b
h
short-circuited
check carbon brushes;
Check chassis of the
machine for potential, if OK
but error code displayed,
replace the drive module
replace the drive module
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