JLG 10MSP Service And Maintenance Manual page 51

Code 11 - Left Drive Motor - Short Circuit
Check For These Obvious Conditions First:
• Wiring harness from (M1) connector on Traction Control Module to Left Drive Motor for damage.
STEP
1. Remove the M1 connector from the Traction Control Module and check both
the pins to the drive motor for any voltage.
(Ground the meter to the Ground Control Module - Negative (–) lug.)
2. Check for continuity of both t he pins to ground.
Code 12 - Right Drive Motor - Short Circuit
Check For These Obvious Conditions First:
• Wiring harness from (M2) connector on Traction Control Module to Left Drive Motor for damage.
STEP
1. Remove the M2 connector from the Traction Control Module and check both
the pins to the drive motor for any voltage.
(Ground the meter to the Ground Control Module - Negative (–) lug.)
Check for continuity of both the pins to the drive motor to ground.
2.
Code 13 - Traction Module - In Fold Back
Check For These Obvious Conditions First:
• Machine is operating on a continuous grade or rough terrain.
STEP
1. Allow machine to cool the traction module for 30 minutes. Does the
machine operate OK after cooling.
NOTE: If this is a recurring problem compare current draw of your machine with Traction Control Module specifications in
Table 6-3, Amperage Draw for Various Components .
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Table 6-12. Code 11 - Left Drive Motor - Short Circuit
ACTION
Table 6-13. Code 12 - Right Drive Motor - Short Circuit
ACTION
Table 6-14. Code 13 - Traction Module - In Fold Back
ACTION
– JLG Lift –
SECTION 6 - TROUBLESHOOTING
SPEC YES
No Voltage This circuit should
be isolated.
Repair or Replace
Components as
No Ground
Required
SPEC YES
No Voltage This circuit should
be isolated.
Repair or Replace
Components as
No Ground
Required
SPEC YES
— —
NO
Go to Step 2
Replace
Traction
Control Module
NO
Go to Step 2
Replace
Traction
Control Module
NO
Replace Traction
Module
6-21