DeLonghi Error Codes
Every DeLonghi error code we have catalogued, with what it means on site — 39 codes in total. In R-Pro, tap any code to get the meaning, likely causes and inspection steps, even with no signal in the plant room.
Common DeLonghi codes
| Code | What it means |
|---|---|
| HL | Internal water tray full |
| PF | Probe failure or sensor damaged |
| CF | Limescale water filter dirty |
| LT | Frost prevention mode activated |
| E1 | High pressure protection |
| E2 | Defrost protection |
| E3 | Low pressure protection |
| E4 | Compressor gas discharge protection |
| E5 | Current overload protection |
| E6 | Communication malfunction |
| E7 | Mode conflict |
| E8 | High temperature protection |
| E9 | Protection against cold air |
| F0 | System refrigerant lack or jam protection |
| F1 | Indoor room sensor disconnected |
| F2 | Indoor pipe sensor disconnected |
| F3 | Outdoor ambient sensor disconnected |
| F4 | Outdoor pipe sensor disconnected |
| F5 | Outdoor delivery line sensor short/disconnected |
| F7 | Oil circle under cooling mode |
| F8 | Current overload frequency decreased |
| F9 | Exhaust overload frequency decreased |
| FR | Tube temp overload frequency decreased |
| FH | Freezing frequency decreased |
| H0 | High temp limit (heat mode) |
| H1 | Defrosting mode |
| H2 | Static dust eliminator protection |
| H3 | Compressor overload protection |
| H4 | System abnormality |
| H5 | IPM module protection |
| H6 | No feedback from indoor motor |
| H7 | Synchronization failure |
| H8 | Full of water protection |
| H9 | Heater error |
| HC | PFC protection |
| C2 | Current leakage protection |
| C3 | Wrong connection protection |
| C5 | Jumper error protection |
| C6 | No earthing |
Official DeLonghi source / manual ↗
Frequently asked
What does DeLonghi error code HL mean?
DeLonghi error code HL means: Internal water tray full. In R-Pro you also get the likely causes and the inspection steps — offline.
What does DeLonghi error code PF mean?
DeLonghi error code PF means: Probe failure or sensor damaged. In R-Pro you also get the likely causes and the inspection steps — offline.
What does DeLonghi error code CF mean?
DeLonghi error code CF means: Limescale water filter dirty. In R-Pro you also get the likely causes and the inspection steps — offline.
What does DeLonghi error code LT mean?
DeLonghi error code LT means: Frost prevention mode activated. In R-Pro you also get the likely causes and the inspection steps — offline.
What does DeLonghi error code E1 mean?
DeLonghi error code E1 means: High pressure protection. In R-Pro you also get the likely causes and the inspection steps — offline.
What does DeLonghi error code E2 mean?
DeLonghi error code E2 means: Defrost protection. In R-Pro you also get the likely causes and the inspection steps — offline.
What does DeLonghi error code E3 mean?
DeLonghi error code E3 means: Low pressure protection. In R-Pro you also get the likely causes and the inspection steps — offline.
What does DeLonghi error code E4 mean?
DeLonghi error code E4 means: Compressor gas discharge protection. In R-Pro you also get the likely causes and the inspection steps — offline.
Look up any error code — offline — in R-Pro.
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