. OPERATION TROUBLESHOOTING ACTION CODE stop the machine, apply the parking brake and check the service code, then contact your REMARK 3 - 141 If any problem occur Komatsu distributor f If action code "E03" is displayed on the character display (1), or if an action code is displayed after taking the re medy when action code "E 02" was displayed, or if "MAINTEN ANCE" is displayed together with a ction code "E01", do as follows to check the f ailure code. 1. If an action code i s displayed, pressed the top (>) port ion of machine monitor mode selec tor switch (2) and check the failure code. The failure code is displayed on ch aracter display (1). 2.
Press the top (>) portion of machine monitor mode s elector switch (2) again. The servi ce meter and odometer will be displayed for several seconds, and the scree n will then return to the action cod If more than one failure has occurred, the next failur 3. Check the failure code, then contact your Komatsu The 6-digit code d isplayed on the left of the line at th e top of the character display is th The code display ed at the right side of the failure cod e shows the controller that detect ed the failure cod MON: Machine m TM: Transmission ENG: Engine con BK: Retarder cont The line at the bo ttom of the character display shows the system where the failure was