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2 - Check the resistance value:
- ECM pin 1/E1 at ECM pin 1/F1
- ECM pin 1/E2 at ECM pin 1/F2
3 - Check whether the cable is short
circuited.
- ECM Pin 1/E1 at the chassis
- ECM Pin 1/E2 at the chassis
- ECM Pin 1/F1 at the chassis
- ECM Pin 1/F2 at the chassis
4 - Check the continuity of the cable:
- ECM Pin 1/E1at pin A of the stepper
connector
- ECMPin 1/E at pin B of the stepper
connector
- ECM Pin 1/F2 at pin C of the stepper
connector
- ECM Pin 1/F1 at pin D of the stepper
connector
5 - Check the continuity of the cable for
short circuiting:
- ECM Pin 1/E at ECM pin 1/F1
- ECM Pin 1/E2 at ECM pin 1/F2
6 - Check the resistance of the stepper
engine
- Between pin A / pin D
- Between pin B / pin C
7 - Re-connect the cabling, cancel the
fault code and activate the
functional test of the diagnostic
equipment (see Axone manual) to
view the checking operations of the
stepper engine
MF9_UK
T
T
T
T
L
I
M
I
T
E
D
E
D
I
T
I
O
N
from 47 to 59 Ù
Open circuit
Short circuit
OK
Short circuit
OK
Open circuit
OK
Short circuit
from 47 to 59 Ù
Fault
OK
Fault
UK
Disconnect the stepper engine and proceed
to test 3
Proceed to test 4
Disconnect the stepper engine and proceed
to test 5
Proceed to test 7
Locate and repair the fault at the cabling,
proceed to test 7
Proceedere to test 6
Locate and repair the fault at the cabling,
proceed to test 7
Proceedere to test 6
Locate and repair the cable faults, proceed
to test 7
Proceed to test 7
Change the stepper engine, proceed to test
7
Activity carried out – terminate the test
Contact the Benelli assistance
285
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