EElleeccttrriiccaal l ssyysstteemm 1100..8811
10.15.1610.15.16 High temp SHigh temp Steering/Overheated steer - teering/Overheated steer - EPS 2001EPS 2001
Check that nothing obstructs theCheck that nothing obstructs the
air flow to the EPS 2001. Removeair flow to the EPS 2001. Remove
any dust from the unit.any dust from the unit.
The error arises when theThe error arises when the
temperature on the EPS unit'stemperature on the EPS unit's
cooling flange exceeds thecooling flange exceeds the
maximum value for safemaximum value for safe
operation.operation.
The two most common causes areThe two most common causes are
high ambient temperature by thehigh ambient temperature by the
control module or that the EPScontrol module or that the EPS
unit has been supplying too muchunit has been supplying too much
output to the motor for too long.output to the motor for too long.
Check if friction has increased inCheck if friction has increased in
the steering, or if something maythe steering, or if something may
have caused the need for greaterhave caused the need for greater
turning force to rotate the wheel.turning force to rotate the wheel.
Important!Important!
When “Overheated Steer” occurs,When “Overheated Steer” occurs,
stop the truck and maintainstop the truck and maintain
standstill condition until thestandstill condition until the
temperature falls within the safetytemperature falls within the safety
range.range.
The temperature measurementThe temperature measurement
components may be defective.components may be defective.
RReeppllaacce e EEPPS S uunniitt.. TThhe e sstteeeerriinng g uunniit t mmaay y hhaavvee
developed increased internaldeveloped increased internal
friction.friction.
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