Service
Bulletin
NTR SB 026 96
Magnum Hitch Diagnostic Codes and Service Manual update
Page 8 of 26
CODE
CAUSE
Open, shorted, or misadjusted hitch position
circuit.
MODE
LIMP
SOLUTION
Test wire harness for damaged wires or
connectors.
Replace position potentiometer.
Replace controller.
Open, shorted, or misadjusted position control
circuit.
LIMP Test wire harness for damaged wires or
connectors.
Replace position potentiometer.
Replace controller.
Loss of 5 volt regulator
LIMP Replace controller.
I
I
Battery voltage less than 9.8 volts.
I
LIMP Test tractor battery circuit output.
Replace the controller if the “A “code occurs more than once on tractors
between SN: JJA0067094 - JJA0068206. A good power and ground
supply to controller must be verified before rep lacing the controller.
Relay primary or contacts problem.
Watchdog circuit problem.
High battery supply voltage.
Upper limit circuit failed.
Load control circuit failure.
Both draft pin sensors failed or one draft pin
sensor failed when the tractor is configured for one
pm sensor.
I
Left pin sensor failed. The system will use the
other
pin to operate in the draft mode.
Right pin sensor failed. The system will use the
other pin to operate in draft mode.
LIMP Replace relay.
LIMP
1
Replace controller.
LIMP
1
Test tractor battery circuit output.
LIMP Test wire harness for damaged wires or
connectors.
DEGRADED Replace load control potentiometer.
2 Test wiring harness for damaged wires or
connectors.
Replace controller.
DEGRADED Replace one or both draft pin sensors.
2 Test wire harness for damaged wires or
connectors.
DEGRADED Replace the left draft pin sensor.
1 Test wire harness for damaged wires or
connectors.
Replace the right draft pin sensor.
Test wire harness for damaged wires or
Содержание Magnum 7210
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