40 Troubleshooting SEN04119-01
PC130-8
5
Failure code [AA10NX] Air cleaner clogging 1
User code Failure code
Trouble
Air cleaner clogging
(Machine monitor system)
— AA10NX
Contents of
trouble
• While engine was running, signal circuit of air cleaner clogging switch detected clogging of air
cleaner (sensor contact opened).
Action of
machine monitor
• Displays air cleaner clogging monitor on machine monitor.
• If cause of failure disappears, system resets itself.
Problem that
appears on
machine
• If machine is operated as it is, engine may be damaged.
Related
information
• Condition of air cleaner clogging switch signal can be checked with monitoring function.
(Code: 04501 Monitor input 2)
• Method of reproducing failure code: Start engine.
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1
Clogging of air cleaner (when
system is normal)
Air cleaner may be clogged. Check it for clogging and then clean
or replace if clogged.
2
Defective air cleaner clog-
ging monitor system
If cause 1 is not detected, air cleaner clogging monitor system may
be defective. Carry out troubleshooting for "E-7 Caution item
flashes while engine is running" in E-mode.
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