OM3216 3/10 Operator Cab and Controls - Section 32 Page 32-27 Coolant Temperature Caution Lamp The coolant temperature caution lamp will illuminate when the coolant temperature has risen to a critical level. Brake Oil Pressure Caution Lamp The brake oil pressure caution lamp will illuminate if accumulator oil pressure fails to reach the specified value 30 sec- onds after engine startup. If the brake accumulator oil pressure has dropped below the specified value during truck operation the lamp will also illuminate. When the lamp is lit, E02 ENGINE OVERHEAT will be displayed on the character dis- play simultaneously. Engine output will be automati- cally limited.
Stop the truck and operate the engine under no load at a mid-range speed until the lamp turns off. When the lamp is lit, E03 CHECK RIGHT NOW will simultaneously be displayed on the character dis- play. Stop the truck immediately in a safe place, and turn the engine off. Notify maintenance. The central warning lamp and alarm buzzer are not actuated when the engine is off. Charging System Caution Lamp The charging system caution lamp illu- minates when an abnormality in the charging system has occurred with the engine on. Retarder Oil Temperature Caution Lamp The retarder oil temperature caution lamp will illuminate when the brake oil temperature has risen to a critical level.
When the lamp is lit, E03 CHECK RIGHT NOW will simultaneously be displayed on the character dis- play. Stop the machine immediately in a safe place, and turn the engine off. Notify maintenance. When the lamp is lit, E02 BRAKE OVERHEAT will simul- taneously be displayed on the character display. Stop the truck in a safe place. Move the shift lever to the N position, and operate the engine under no load at a mid-range speed until the lamp turns off. Engine Oil Pressure Caution Lamp The engine oil pressure caution lamp will illuminate when the engine oil pres- sure has dropped to a critical level. Oil pressure is monitored only when the engine is on.
Central Warning Lamp When the lamp is lit, E03 CHECK RIGHT NOW will simultaneously be displayed on the character display and engine output automatically limited. Stop the machine immediately in a safe place, and turn off the engine. Notify maintenance. The central warning lamp and the alarm buzzer will sound intermittently to indi- cate that a failure is present. Any of the following will cause the central warning lamp to light: When an abnormality has occurred in any of emergency stop items. Refer to Emergency Stop Items earlier in this chapter. Emergency Steering Lamp The emergency steering lamp illumi- nates when steering pressure drops below 12, 800 kPa (1850 psi).
When action code E02 or E03 is displayed on the character display. When the parking brake is applied, but the shift lever is not in the N position. When the hoist control lever is not in the FLOAT position or the dump body is raised and the shift lever is not in the N position. When the engine tachometer rises to the red range.