Komatsu PC290LC-6K Operation & Maintenance Manual page 195

24.3.5 CHECK AIR CLEANER FOR CLOGGING
1. Confirm that the air cleaner clogging monitor does not flash.
2. If it flashes, immediately clean or replace the element.
For details of the method of cleaning the element, see 24.2.1 "CHECK,
CLEAN AND REPLACE AIR CLEANER ELEMENT".
24.3.6 CHECK ELECTRIC WIRING
If the fuse blows frequently, or there are traces of short-
circuiting in the electric wiring, always locate and repair the
cause.
Check for damage of the fuse and any sign of disconnection or short
circuit in the electric wiring. Check also for loose terminals and tighten any
loose parts. Check the following points carefully.
• Battery
• Starting motor
• Alternator
Please contact your Komatsu distributor for investigation and correction
of the cause.
WARNING
24. SERVICE PROCEDURE
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