OPERATOR'S STATION Remedy 1-29 Display Contents of Alarms Remedy System Failure Alarm Communication system is abnormal. Consult your nearest authorized dealer. Brake Oil Pressure Alarm Brake oil pressure has decreased. Immediately stop the machine and check the brake system. Low Steering Oil Pressure Alarm Steering oil pressure has decreased. Immediately stop the machine and check the steering system. Secondary Steering Alarm (Blinking) The secondary steering oil pressure does not reach the specified pressure. Inspect the secondary steering system. Hydraulic Oil Level Alarm Hydraulic oil level is low.
Immediately stop the machine, check hydraulic oil level and any oil leaks from hydraulic circuit. Urea Alarm DEF/AdBlue® level is low or urea SCR system is abnormal. Refill DEF/AdBlue® if level is low. Contact your nearest authorized dealer for system malfunction. Engine Output Restriction Engine output is restricted. Aftertreatment Device Alarm (Blinking) (Red) Aftertreatment device is abnormal. Immediately set the machine in the park position, stop the engine, apply parking brake, and contact your authorized dealer. Aftertreatment Device Regeneration System Failure Aftertreatment device is abnormal.
Immediately set the machine in the park position, stop the engine, apply parking brake, and contact your authorized dealer. Aftertreatment Device Regeneration Request (Blinking) (Yellow) The aftertreatment device needs regeneration. Apply control lever lock and run the engine at slow idle speed. Make the machine possible to perform regeneration, and set the aftertreatment device switch to the regeneration position. Aftertreatment Device Regeneration Inhibit Alarm (Lighting) (Yellow) Manual regeneration was tried but not possible as it is inhibited by setting. Move the machine to a safe area, turn regeneration inhibition OFF, and perform manual regeneration.
Refer to page 1-57 to turn regeneration inhibition OFF. Aftertreatment Device Auto Regeneration Inhibit Alarm (Lighting) (Yellow) Auto regeneration was tried but not initiated as it is inhibited by setting. Refer to page 1-57. Engine Overheat Alarm Coolant temperature is above normal. Stop operation. Run the engine at slow idle speed to lower the coolant temperature. When needed, add coolant.