Failure Code [B@C6Ns] Front Brake: High Oil Temperature - Komatsu WA250-6 Shop Manual

SEN03841-00

Failure code [B@C6NS] Front brake: High oil temperature

Action code Failure code
E02 B@C6NS
• Front brake (axle) high oil temperature was detected (Details are as follows).
Contents of
• Oil temperature above 130°C (when travel speed was below 35 km/h) or above 125°C (when travel
trouble
speed was above 35 km/h) was detected for 5 seconds continuously.
Action of • Turns central warning lamp and caution buzzer ON.
machine monitor
• Turns brake oil temperature caution lamp ON.
Problem that
appears on
• If machine is used as it is, brake may be damaged.
machine
• If temperature above 120°C is detected for 5 seconds continuously, only caution lamp is turned ON
as preliminary warning.
Related
• Brake oil temperature can be checked with monitoring function.
information
(Monitoring code: MONITOR PANEL – 30201 – F BRAKE OIL (°C))
(Monitoring code: MONITOR PANEL – 30204 – F BRAKE OIL (V))
Front brake (Axle) high oil
1
temperature
Possible causes
and standard
Defective brake oil tempera-
value in normal
2
ture sensor
state
3 Defective machine monitor
16
40-310
Front brake: High oil temperature
Trouble
(Machine monitor system)
Causes
System is normal.
a Front brake (Axle) oil may be overheated. Remove cause of over-
heat.
If cause 1 is not detected, brake oil temperature sensor system may
be defective. Carry out troubleshooting for failure codes [DGR2KB]
and [DGR2KZ].
If causes 1 and 2 are not detected, machine monitor may be defec-
tive. Carry out troubleshooting for failure codes [DGR2KB] and
[DGR2KZ].
310 Troubleshooting by failure code (Display of code), Part 1
Failure code [B@C6NS] Front brake: High oil temperature
Standard value in normal state/Remarks on troubleshooting
WA250, 250PZ-6