Komatsu — INDICATOR LIGHT SYMBOLS

OM3223 Operation - Section 32 Operator Cab and Controls Page 32-21 B5. High Wheel Motor Temperature (Optional) C6. Not Used Not currently used. Reserved for future use or options. When this indicator is illumi- nated and the alarm sounds, high wheel motor temperature is indicated. Stop the truck, place the selector switch in NEUTRAL and raise engine rpm to high idle for several minutes to cool the wheel motors. If the indicator does not turn off, notify main- tenance personnel. D6.

Service Engine When the key switch is turned ON (before starting engine), this amber service engine indi- cator light will illuminate for about two seconds and then turn off if no faults are detected in the system. If this indicator remains on (or flashes when equipped with Centry™ Fuel Control system), alert maintenance personnel as soon as possible. C5. Motor Blower Off The motor blower warning light will flash on and off and an alarm will sound if a malfunction occurs in the cooling air circuit for the alternator and motorized wheels. Stop the truck immediately and notify maintenance personnel if the warning light illu- minates.

Damage to electrical components may result without proper ventilation of rotating equip- ment. Komatsu Engines w/Centry™ Fuel Control - This indicator monitors the Centry™ fuel system. During engine operation, if a fault is detected in the system, the light will turn on and stay on for warning faults, or it will turn on and flash for more severe faults that can affect engine operation and require immediate attention. Warning faults (light on) are ones that require attention in the near future, but in most conditions will not greatly affect governing performance. D5. Not Used Not currently used. Reserved for future use or options.

Severe faults (light flashing) are ones that require immediate attention, because Centry™ governor performance could be significantly affected, resulting in a backup mode of operation . NOTE: Active fault conditions must be corrected as soon as possible. E5. Not Used Refer to Lamp Test/Diagnostic Test Switch for additional description of this light's function. Not currently used. Reserved for future use or options. E6. Not Used Not currently used. Reserved for future use or options. A6. Not Used Not currently used. Reserved for future use or options. B6. Not Used Not currently used. Reserved for future use or options.