Failure Code [B@Bazg] Eng Oil Press Low - Komatsu PC200-8M0 Shop Manual

SEN06133-00

Failure code [B@BAZG] Eng Oil Press Low

Action
Failure code
level
L03 B@BAZG
q
While engine is running, engine controller detects engine oil pressure drop (sensor contact is
Detail of failure
closed) from signal voltage of engine oil pressure switch.
q
Action of con- Displays engine oil pressure monitor red on machine monitor.
q
troller If cause of failure disappears, machine becomes normal by itself.
Problem on
q
If machine is operated as it is, engine may be damaged.
machine
q
Signal from engine oil pressure switch is input to engine controller. If engine oil pressure switch is
Related infor- determined to be closed (ON) while engine is running, engine controller transmitts this signal to
mation machine monitor to display this failure code.
q
Method of reproducing failure code: Start engine.
Cause
Dropped engine oil pres-
1 sure (when system works
properly)
Defective engine oil pres-
2
sure monitoring system
12
40-301
Engine Oil Pressure Low
Failure
(Engine controller system)
Procedure, measuring location, criteria and remarks
Engine oil pressure may be low. Check it and remove cause if it is low.
If no failure is found by check on cause 1, engine oil pressure monitoring system may
be defective. Perform troubleshooting for "E-6 Emergency stop monitor lights up while
engine is running".
301 Troubleshooting by failure code, Part 1

Failure code [B@BAZG] Eng Oil Press Low

PC200, 200LC, 220, 220LC-8M0