Komatsu — Electrical System

TROUBLESHOOTING ELECTRICAL SYSTEM *) These measures must be performed by your local Komatsu dealer. 6-3 ELECTRICAL SYSTEM FAULT CAUSES REMEDY Warning light charging current: warn- ing light charging current is off, when the engine is switched off and the start switch is set to its operating position 'I’ Electrical connection without function *) Check terminals, connections, and cables Warning light charging current:

warn- ing light charging current does not go out when engine is running Electrical connection without function *) Check terminals, connections, and cables Generator without function *) Check function of generator; replace defective generator Tension of generator drive belt too low Increase tension of drive belt Generator produces unusual noise Generator defective Replace generator Starter does not start the engine Electrical connection without function *) Check terminals, connections, and cables Battery charge insufficient Re-charge battery *) Check function of battery; replace defective battery Starter pinion repeatedly engages and disengages Battery charge insufficient Re-charge battery Starter defective *) Replace starter Starter turns engine only slowly Battery charge insufficient Re-charge battery Starter defective *) Replace starter Starter disengages before engine is started Battery charge insufficient Re-charge battery Starter defective *) Replace starter