TCL Error Codes
Every TCL error code we have catalogued, with what it means on site — 19 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 TCL codes
| Code | What it means |
|---|---|
| E0 | Indoor/outdoor communication fault |
| E1 | Indoor room temp sensor fault |
| E2 | Indoor pipe coil temp sensor fault |
| E3 | Outdoor pipe coil temp sensor fault |
| E4 | System abnormality (pressure/refrigerant) |
| E6 | Indoor fan motor malfunction |
| E7 | Outdoor temp sensor fault |
| E8 | Exhaust temp sensor fault |
| E9 | IPM fault |
| EA | Current sensor / refrigerant leak |
| EC | Outdoor PCB communication fault |
| EE | EEPROM chip failure |
| EF | Outdoor DC fan motor fault |
| EP | Compressor top temp switch fault |
| P1 | Over/under voltage protection |
| P2 | Over-current protection |
| P4 | Exhaust over-temperature protection |
| P6 | Overheating protection (cooling) |
| P7 | Overheating protection (heating) |
Official TCL source / manual ↗
Frequently asked
What does TCL error code E0 mean?
TCL error code E0 means: Indoor/outdoor communication fault. In R-Pro you also get the likely causes and the inspection steps — offline.
What does TCL error code E1 mean?
TCL error code E1 means: Indoor room temp sensor fault. In R-Pro you also get the likely causes and the inspection steps — offline.
What does TCL error code E2 mean?
TCL error code E2 means: Indoor pipe coil temp sensor fault. In R-Pro you also get the likely causes and the inspection steps — offline.
What does TCL error code E3 mean?
TCL error code E3 means: Outdoor pipe coil temp sensor fault. In R-Pro you also get the likely causes and the inspection steps — offline.
What does TCL error code E4 mean?
TCL error code E4 means: System abnormality (pressure/refrigerant). In R-Pro you also get the likely causes and the inspection steps — offline.
What does TCL error code E6 mean?
TCL error code E6 means: Indoor fan motor malfunction. In R-Pro you also get the likely causes and the inspection steps — offline.
What does TCL error code E7 mean?
TCL error code E7 means: Outdoor temp sensor fault. In R-Pro you also get the likely causes and the inspection steps — offline.
What does TCL error code E8 mean?
TCL error code E8 means: Exhaust temp sensor fault. 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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