Failure code [DK55L8] Forward-reverse potentiometer: Inconsistent
analog signal 1
Action code Failure code
Trouble Forward-reverse potentiometer: Inconsistent analog signal
CALL E03 DK55L8 (Steering and transmission controller system)
Contents of
trouble
• Total signal voltage of forward-reverse potentiometer systems 1 and 2 is less than 4.41 V or more
than 5.59 V.
Action of
controller
• Flashes warning lamp and turns on alarm buzzer.
• Continues to keep it under control with the normal signal of either forward-reverse potentiometer
system 1 or 2.
• Limits operation of engine and transmission.
Problem that
appears on
machine
• Once machine is stopped, engine speed is limited to medium (half).
• Once machine is stopped, travel is limited to F1 and R1.
Related
information
• Input status (voltage) from forward-reverse potentiometer can be checked in monitoring mode.
(Code 50200: Forward-reverse potentiometer 1 voltage)
(Code 50201: Forward-reverse potentiometer 2 voltage)
• Method of reproducing failure code: Turn starting switch ON + (Shift PCCS lever (forward-reverse))
Possible
causes and
standard value
in normal state
Cause Standard value in normal state/Remarks on troubleshooting
Carry out troubleshooting for failure code [DK56KA] [DK56KB] [DK57KA] [DK57KB]
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