5 Komatsu diagnostic codes on file — with the full diagnosis, repair steps, and field insights open to read free, no signup required.
Disclaimer: General reference information for trained, qualified technicians only. Codes and procedures vary by model, serial number and software version. Always follow the manufacturer's service manual and your site's safety procedures. Use at your own risk. Not affiliated with or endorsed by any manufacturer.
| Code | System | Symptom | Full fix |
|---|---|---|---|
| A001 / Event 16 | Electric Propulsion | No Propulsion / DC Bus Warning Lamp | View fix |
| A105 / Code 105 | Electric Propulsion | Propulsion Cut / Inverter Fault Code | View fix |
| Code 52-11 | Electric Propulsion | Propulsion Cutout / Blower Warning | View fix |
| Event 200 / F-02 | Electric Propulsion | Dynamic Retarding Dead / Overheat Alert | View fix |
| Event 311 / E311 | Electric Propulsion | Propulsion Cut / Retard Grid Alarm | View fix |
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