Failure Code [Ca2249] Rail Press Very Low Error; Failure Code [Ca2311] Lmv Solenoid Error - Komatsu PC200-8M0 Shop Manual

302 Troubleshooting by failure code, Part 2

Failure code [CA2249] Rail Press Very Low Error

Failure code [CA2249] Rail Press Very Low Error

Action
Failure code
level
L03 CA2249
q
Detail of failure No-pressure feed error (level 2) in supply pump was detected.
Action of con-
q
Restricts engine output and allows engine to run.
troller
Problem on
q
Engine output lowers.
machine
q
Signal voltage from common rail pressure sensor can be checked with monitoring function (Code:
36401 (V)).
Related infor-
q
Common rail pressure sensed by common rail pressure sensor can be checked by using monitor-
mation
ing function. (Code: 36400 (MPa))
q
Method of reproducing failure code: Start engine.
Cause
1 Supply pump no pressure error

Failure code [CA2311] lMV Solenoid Error

Action
Failure code
level
L03 CA2311
Detail of failure q Resistance value of supply pump actuator circuit is unusually high or low.
Action of con-
q
None in particular
troller
Problem on
q
Engine output lowers.
machine
Related infor-
q
Method of reproducing failure code: Start engine.
mation
Cause
1 IMV solenoid error
PC200, 200LC, 220, 220LC-8M0
Rail Press Very Low Error
Failure
(Engine controller system)
Procedure, measuring location, criteria and remarks
Perform troubleshooting for failure code [CA559] .
IMV solenoid error
Failure
(Engine controller system)
Procedure, measuring location, criteria and remarks
Perform troubleshooting for failure codes [CA271] and [CA272].
SEN06134-00
51
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