Komatsu WA250PZ-6 User Manual

SEN03847-00
40-370 26 WA250, 250PZ-6
370 Troubleshooting by failure code (Display of code), Part 7
Failure code [J141N1] Steering pump: Overrun alarm
Failure code [J141N1] Steering pump: Overrun alarm 1
Failure code [M100N1] HST pump: Overrun alarm 1
Action code Failure code
Trouble
Steering pump: Overrun alarm
(HST controller system)
E02 J141N1
Contents of
trouble
• Steering pump speed exceeded alarm operation set value.
Action of
controller
• Turns the centralized warning lamp and alarm buzzer ON.
Problem that
appears on
machine
• Steering pump may be broken (If it is broken, machine may not steer).
Related
information
• Advance alarm is turned ON before this code is displayed.
• If steering pump speed decreases below alarm reset value, system resets itself.
Possible causes
and standard
value in normal
state
Causes Standard value in normal state/Remarks on troubleshooting
1 Steering pump overrun
a Give operator instructions to use engine in range where alarm is
not turned ON.
Action code Failure code
Trouble
HST pump: Overrun alarm
(HST controller system)
E02 M100N1
Contents of
trouble
• HST pump speed exceeded alarm operation set value.
Action of
controller
• Turns the centralized warning lamp and alarm buzzer ON.
Problem that
appears on
machine
• HST pump may be broken (If it is broken, machine cannot travel).
Related
information
• Advance alarm is turned ON before this code is displayed.
• If HST pump speed decreases below alarm reset value, system resets itself.
Possible causes
and standard
value in normal
state
Causes Standard value in normal state/Remarks on troubleshooting
1 HST pump overrun
a Give operator instructions to use engine in range where alarm is
not turned ON.

Komatsu WA250PZ-6 Specifications

General

Brand	Komatsu
Model	WA250PZ-6
Category	Construction Equipment
Language	English