Failure Code [B@Bazg] Eng Oil Press. Low; Failure Code [B@Bazk] Eng Oil Level Low - Komatsu Galeo PC138US-8 Shop Manual

SEN02463-01

Failure code [B@BAZG] Eng oil press. low

User code Failure code
— B@BAZG
Contents of • While engine was running, signal circuit of engine oil pressure switch detected low engine oil pres-
trouble sure (sensor contact opened).
Action of • Displays engine oil pressure monitor on machine monitor.
controller • If cause of failure disappears, system resets itself.
Problem that
appears on • If machine is operated as it is, engine may be damaged.
machine
• Engine oil pressure switch signal is input to engine controller and then transmitted to machine mon-
Related
itor.
information
• Method of reproducing failure code: Start engine.
Possible causes Lowering of engine oil pres-
and standard 1 sure (when system is nor-
value in normal mal)
state
Defective engine oil pressure
2
switch system

Failure code [B@BAZK] Eng oil level low

User code Failure code
— B@BAZK
Contents of • When starting switch is turned ON (but engine is not started), signal circuit of engine oil level switch
trouble detected low engine oil level (sensor contact opened).
Action of • Displays engine oil level monitor on machine monitor.
machine monitor • Even if cause of failure disappears, system does not reset itself until starting switch is turned OFF.
Problem that
appears on • If machine is operated as it is, engine may be damaged.
machine
Related • Engine oil level switch signal can be checked with monitoring function. (Code: 04501 Monitor input 2)
information • Method of reproducing failure code: Turn starting switch ON.
Lowering of engine oil level
Possible causes 1
(when system is normal)
and standard
value in normal
Defective engine oil level
state
2
monitor system
8
Engine oil pressure low
Trouble
(Engine controller system)
Cause Standard value in normal state/Remarks on troubleshooting
Engine oil pressure may be low. Check it and remove cause if it is
low.
If cause 1 is not detected, engine oil pressure switch system may
be defective. Carry out troubleshooting for failure code [CA435].
Engine oil level low
Trouble
(Machine monitor system)
Cause Standard value in normal state/Remarks on troubleshooting
Engine oil level may be low. Check it and add new oil if it is low.
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.
40 Troubleshooting
1
1
PC138US, USLC-8