Failure Code [Ca2249] Supply Pump Pressure Very Low Error 2 - Komatsu WA250-6 Shop Manual

SEN03843-00

Failure code [CA2249] Supply pump pressure very low error 2

Action code Failure code
E03 CA2249
Contents of
• No-pressure feed (2) occurred in common rail circuit.
trouble
Action of • Limits output and continues operation.
controller
• Turns the centralized warning lamp and alarm buzzer ON.
• Starting performance is poor
Problem that
appears on
• Exhaust smoke is black.
machine
• Engine output lowers.
• The input state (common rail pressure) from the common rail pressure sensor can be checked with
the monitoring function (Code: ENGINE, 36400, RAIL PRESS).
Related
• The input state (voltage) from the common rail pressure sensor can be checked with the monitoring
information
function (Code: ENGINE, 36402, RAIL PRESS).
• Method of reproducing failure code: Start engine
Possible causes
and standard
value in normal
1
state
48
40-330
Supply pump pressure very low error 2
Trouble
(Engine controller system)
Causes
Carry out troubleshooting for failure code [CA559].
330 Troubleshooting by failure code (Display of code), Part 3
Failure code [CA2249] Supply pump pressure very low error 2
Standard value in normal state/Remarks on troubleshooting
1
WA250, 250PZ-6