Komatsu Galeo PC138US-8 User Manual

SEN02463-01 40 Troubleshooting
8 PC138US, USLC-8
Failure code [B@BAZG] Eng oil press. low 1
Failure code [B@BAZK] Eng oil level low 1
User code Failure code
Trouble
Engine oil pressure low
(Engine controller system)
— B@BAZG
Contents of
trouble
• While engine was running, signal circuit of engine oil pressure switch detected low engine oil pres-
sure (sensor contact opened).
Action of
controller
• Displays engine oil pressure monitor on machine monitor.
• If cause of failure disappears, system resets itself.
Problem that
appears on
machine
• If machine is operated as it is, engine may be damaged.
Related
information
• Engine oil pressure switch signal is input to engine controller and then transmitted to machine mon-
itor.
• Method of reproducing failure code: Start engine.
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1
Lowering of engine oil pres-
sure (when system is nor-
mal)
Engine oil pressure may be low. Check it and remove cause if it is
low.
2
Defective engine oil pressure
switch system
If cause 1 is not detected, engine oil pressure switch system may
be defective. Carry out troubleshooting for failure code [CA435].
User code Failure code
Trouble
Engine oil level low
(Machine monitor system)
— B@BAZK
Contents of
trouble
• When starting switch is turned ON (but engine is not started), signal circuit of engine oil level switch
detected low engine oil level (sensor contact opened).
Action of
machine monitor
• Displays engine oil level monitor on machine monitor.
• Even if cause of failure disappears, system does not reset itself until starting switch is turned OFF.
Problem that
appears on
machine
• If machine is operated as it is, engine may be damaged.
Related
information
• Engine oil level switch signal can be checked with monitoring function. (Code: 04501 Monitor input 2)
• Method of reproducing failure code: Turn starting switch ON.
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1
Lowering of engine oil level
(when system is normal)
Engine oil level may be low. Check it and add new oil if it is low.
2
Defective engine oil level
monitor system
If cause 1 is not detected, engine oil level monitor system may be
defective. Carry out troubleshooting for "E-2 Basic check item
lights up when starting switch is turned ON (but engine is not
started)" in E-mode.

Komatsu Galeo PC138US-8 Specifications

General

Brand	Komatsu
Model	Galeo PC138US-8
Category	Excavators
Language	English