Hitachi ZAXIS 30U-5N User Manual

11-1
TROUBLESHOOTING
Troubleshooting
Ifanymachinetroublehasoccurred,immediatelyrepairit.Makecertainthecauseofthetroubleandtakenecessary
measures to prevent the reoccurrence of the same trouble.
Incasetroubleshootingisdifficult,ormeasuresmarkedwith*mustbetaken,consultthenearestHitachidealer.Never
attempttoadjust,disassemble,orrepairthehydraulicand/orelectrical/electronicparts/components.
IMPORTANT: Never attempt to disassemble or modify the electrical/electronic components.
Engine
Consult the nearest Hitachi dealer for the engine troubleshooting.
Engine Auxiliaries
Problem Cause Solution
Batterieswillnotbecharged. Brokenbatteryseparator Replace
Faulty regulator * Adjust and replace
Faulty ground line *Repair
Faulty alternator *Repairorreplace
Batteriesdischargequicklyafterbeing
charged.
Shortedcable *Repairorreplace
Shortedbatteryseparator *Repairorreplace
Increased sediment in battery *Replace
Coolant temperature is too high. Low coolant level Refill
Insufficient fan belt tension Adjust
Damagedrubberhose *Replace
Faulty thermostat *Replace
Faulty coolant temperature gauge *Replace
*Mark:ConsultyourauthorizedHitachidealer.

Hitachi ZAXIS 30U-5N Specifications

General

Brand	Hitachi
Model	ZAXIS 30U-5N
Category	Excavators
Language	English