Danfoss Error Code Reference — All 16 Codes
Complete Danfoss error code cheat sheet. All 16 fault codes with plain-English explanations and direct links to fix guides.
Use this page when your Danfoss drive, CNC, servo, or controls hardware posts an alarm during production. Start with the exact code, then open the fix guide for overloads, encoder faults, communication alarms, power quality issues, and drive or board failures.
Tip: search the exact brand, model, and alarm together, for example "Danfoss F0001" or "Danfoss overcurrent fault".
| Error Code | What It Means | Often a cheap fix? | Guide |
|---|---|---|---|
| Danfoss FC-302 Alarm 12 | Overcurrent Fix | — | Fix → |
| Danfoss FC-302 Alarm 13 | DC Link Overvoltage Fix | — | Fix → |
| Danfoss FC102 VLT HVAC Drive Fault Codes | Complete Diagnostic Reference | — | Fix → |
| Danfoss FC301 Fault AL 14 | Ground Fault Causes & Fix | — | Fix → |
| Danfoss FC302 Alarm 17 | Causes & Fix | — | Fix → |
| Danfoss FC302 ALARM 22 | Causes & Fix | — | Fix → |
| Danfoss FC302 Alarm 31 | Causes & Fix | — | Fix → |
| Danfoss FC302 Alarm 32 | Causes & Fix | — | Fix → |
| Danfoss FC302 Alarm 34 | Causes & Fix | — | Fix → |
| Danfoss FC302 Alarm AL 29 | Causes & Fix | — | Fix → |
| Danfoss FC302 Complete Fault Code Guide | All Faults and Fixes | — | Fix → |
| Danfoss FC302 VFD Alarm 29 | Causes & Fix | — | Fix → |
| Danfoss VFD Fault Codes | FC301, FC302, FC102 Reference | — | Fix → |
| Danfoss VFD Fault E-Trip | Causes & Fix | — | Fix → |
| Danfoss VLT 2900 Fault Codes: Complete Guide | Danfoss VLT 2900 VFD fault codes and diagnostics. AL-series alarm codes, causes, and technician-level troubleshooting for VLT 2900 drives. | — | Fix → |
| Danfoss VLT Alarm 14 | Earth Fault: What It Means and How to Fix It | — | Fix → |