Komatsu PC130-8 User Manual

40 Troubleshooting SEN04120-03
PC130-8
7
Failure code [CA352] Sensor sup. 1 volt. low error 1
User code Failure code
Trouble
Sensor sup. 1 volt. low error
(Engine controller system)
E15 CA352
Contents of
trouble
• Low voltage was detected in sensor power supply 1 (5 V) circuit.
Action of
controller
• Operates Bkup speed sensor with signals of Ne speed sensor.
• Sets atmospheric pressure sensor to default value (52.44 kPa {0.53 kg/cm
2
}) and continues opera-
tion.
• Fixes charge pressure sensor value (400 kPa {4.08 kg/cm
2
}) and continues operation.
• Limits output and continues operation (Limits common rail pressure).
Problem that
appears on
machine
• Output drops.
Related
information
• Method of reproducing failure code: Turn starting switch ON.
Possible causes
and standard
value in normal
state
Causes Standard value in normal state/Remarks on troubleshooting
Carry out troubleshooting for failure code [CA386].

Komatsu PC130-8 Specifications

General

Brand	Komatsu
Model	PC130-8
Category	Excavators
Language	English