Komatsu 114E-3 Series - E-57 Code [-;B@BAZG] Eng. Oil Press. Low Speed Derate; E-58 Code [-;B@BAZG] Eng. Oil Press Low Torque Derate

SEN00460-01 40 Troubleshooting
56 114E-3 Series
E-57 Code [---/B@BAZG] Eng. Oil Press. Low Speed Derate 1
E-58 Code [---/B@BAZG] Eng. Oil Press Low Torque Derate 1
Error code Failure code
Trouble Derating of speed by engine oil pressure reduction
--- B@BAZG
Contents of
trouble
• Engine oil pressure is below operating range.
Action of con-
troller
• Limits output and continues operation (Limits fuel injection rate and engine speed).
Problem that
appears on
machine
• Output drops.
Related infor-
mation
Possible causes
and standard
value in normal
state
Causes Standard value in normal state/Remarks on troubleshooting
1
Carry out troubleshooting on
machine side
This fault is indicated on only machine side when detected.
Accordingly, contents of troubleshooting depend on machine model.
See Shop manual for machine.
Error code Failure code
Trouble Derating of torque by engine oil pressure reduction
--- B@BAZG
Contents of
trouble
• Engine oil pressure is below operating range.
Action of
controller
• Limits output and continues operation (Limits fuel injection rate and engine speed).
Problem that
appears
on machine
• Output drops.
Related infor-
mation
Possible
causes and
standard value
in normal state
Causes Standard value in normal state/Remarks on troubleshooting
1
Carry out troubleshooting on
machine side
This fault is indicated on only machine side when detected.
Accordingly, contents of troubleshooting depend on machine model.
See Shop manual for machine.