Operation - Section 32 OM3241 Page 32-20 Operator Cab and Controls Low Fuel Indicator Amber low fuel indicator light (E2) will illuminate when the fuel remaining in the tank is below 95 liters (25 gallons). A warning buzzer will also sound. Stop Engine Warning Red stop engine warning light (E3) will illuminate if a serious engine malfunction is detected in the electronic engine control system. Electric propulsion to the wheel motors will be discon- tinued, and the maximum engine speed will be reduced to 1250 rpm. Dynamic retarding will still be available if needed to slow or stop the truck.
Parking Brake Indicator Amber parking brake indicator light (A3) will illuminate when the parking brake is applied. DO NOT attempt to drive the truck with the parking brake applied. Stop the truck as quickly as possible in a safe area and apply the parking brake. Shut the engine off immediately. Additional engine damage is likely to occur if the engine continues to operate. Service Brake Indicator Amber service brake indicator light (B3) will illuminate when the service brake pedal is applied, or when the wheel brake lock or emergency brake is applied. DO NOT attempt to drive the truck with the service brakes applied.
Backup Indicator Amber backup indicator light (B4) will illuminate when backup light switch (5, Figure 32-10) is turned on. Body Up Indicator Amber body up indicator light (C3), when illuminated, indicates the body is not completely at rest on the frame. DO NOT not drive the truck until the body is down and the light is off. Engine Shutdown Timer Switch When engine shutdown timer switch (2, Figure 32-10) has been activated, indicator light (C4) will illuminate to indicate the shutdown timing sequence has started.
Dynamic Retarding Indicator Amber dynamic retarding indica- tor light (D3) illuminates when the retarder pedal is pressed, the RSC (Retarder Speed Control) is activated, or the automatic over- speed retarding circuit is ener- gized. Retard Speed Control Amber retard speed control light (D4) is illuminated when the RSC switch is pulled out to the ON position.