Failure Code [J141N1] Steering Pump: Overrun Alarm; Failure Code [M100N1] Hst Pump: Overrun Alarm - Komatsu WA250-6 Shop Manual

SEN03847-00

Failure code [J141N1] Steering pump: Overrun alarm

Action code Failure code
E02
Contents of
• Steering pump speed exceeded alarm operation set value.
trouble
Action of
• Turns the centralized warning lamp and alarm buzzer ON.
controller
Problem that
appears on
• Steering pump may be broken (If it is broken, machine may not steer).
machine
Related • Advance alarm is turned ON before this code is displayed.
information
• If steering pump speed decreases below alarm reset value, system resets itself.
Possible causes
and standard
value in normal
1 Steering pump overrun
state

Failure code [M100N1] HST pump: Overrun alarm

Action code Failure code
E02 M100N1
Contents of
• HST pump speed exceeded alarm operation set value.
trouble
Action of
• Turns the centralized warning lamp and alarm buzzer ON.
controller
Problem that
appears on
• HST pump may be broken (If it is broken, machine cannot travel).
machine
Related • Advance alarm is turned ON before this code is displayed.
information
• If HST pump speed decreases below alarm reset value, system resets itself.
Possible causes
and standard
value in normal
1 HST pump overrun
state
26
40-370
Trouble
J141N1
Causes
Trouble
Causes
370 Troubleshooting by failure code (Display of code), Part 7
Failure code [J141N1] Steering pump: Overrun alarm
Steering pump: Overrun alarm
(HST controller system)
Standard value in normal state/Remarks on troubleshooting
a Give operator instructions to use engine in range where alarm is
not turned ON.
HST pump: Overrun alarm
(HST controller system)
Standard value in normal state/Remarks on troubleshooting
a Give operator instructions to use engine in range where alarm is
not turned ON.
1
1
WA250, 250PZ-6