Failure Code [Ca115] Engine Ne Or Bkup Speed Sensor Error - Komatsu WA250-6 Shop Manual

SEN03842-00

Failure code [CA115] Engine Ne or Bkup speed sensor error

Action code Failure code
E03
Contents of
• Abnormality occurred in signals of engine Ne speed sensor and engine Bkup speed sensor circuit.
trouble
Action of
• Turns the centralized warning lamp and alarm buzzer ON.
controller
Problem that
• Engine stops
appears on
• The engine does not start.
machine
Related
• Method of reproducing failure code: Start engine
information
Possible causes
and standard
Defective connection of sen-
value in normal
1
sor connector
state
4
40-320
Trouble
CA115
Causes
320 Troubleshooting by failure code (Display of code), Part 2
Failure code [CA115] Engine Ne or Bkup speed sensor error
Engine Ne or Bkup speed sensor error
(Engine controller system)
Standard value in normal state/Remarks on troubleshooting
Check Ne speed sensor and Bkup speed sensor directly for defec-
tive connection (wrong connection).
1
WA250, 250PZ-6