7 Casagrande 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 |
|---|---|---|---|
| SPN 1079 FMI 3 | Hydraulics / Controls | Rotary Head Speed Limits / Slow Torque Response | View fix |
| SPN 523450 FMI 3 | Hydraulics | Rotary Torque Readout Pinned at Max | View fix |
| SPN 523612 FMI 5 | Hydraulics | Main Winch Fails to Drop / Lockout Active | View fix |
| SPN 523615 FMI 4 | Hydraulics / Mast | Mast Slew Inoperative / Brake Locked | View fix |
| SPN 523616 FMI 5 | Hydraulics | Turntable Swing Drift / Weak Brake | View fix |
| SPN 523625 FMI 3 | Hydraulics | Casing Oscillator Function Inoperative | View fix |
| SPN 523901 FMI 12 | Controls / Hydraulics | Drill Feed Inoperative / Mast Locked | View fix |
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