Brand: KOMATSU
Category: Trucks
Document Type:
Language: EN
Manual for 930E-2 - Troubleshooting and error codes + PDF Download
Uploaded: April 8, 2025, 1:45 p.m.
Manual Publish Date: 2001-03-01
Warranty Summary
None
This Shop Manual provides detailed instructions for the service technician to understand and maintain the KOMATSU 930E-2 Dump Truck. It covers component descriptions, truck specifications, and safe work practices. The manual details disassembly, service, and reassembly procedures for major serviceable areas such as the engine, radiator, power module, and brake system. It emphasizes safety precautions and operating procedures, including starting, driving, dumping, retarding, and parking the machine. The manual also includes troubleshooting guides, electrical schematics, and maintenance schedules to ensure the truck operates efficiently and safely.
Troubleshooting and error codes
| EVENT NUMBER | EVENT DESCRIPTION | EVENT RESTRICTION | DETECTION INFORMATION | Limp Possible | Lockout Limit |
|---|---|---|---|---|---|
| 000 | NO FAULT | None | Displayed when all faults have been reset. | N/A | N/A |
| 002 | HIGH GROUND FAULT | No power | A ground fault is detected if leakage current to ground (truck chassis) exceeds 145 ma for more than .05 seconds. | N/A | 1 |
| 003 | FAILED DIODE | No power | Shorted diodes in main rectifier. | N/A | 1 |
| 004 | GFCO OPEN and not in REST | No power | GF Cutout Switch is open with the system not in REST. | N/A | 1 |
| 005 | DRIVE SYSTEM OVERTEMP | No Propel | Temperature exceeds a limit for a sufficient time. | N/A | 3 |