Error codeA4.09
RIO COMM ERROR indicates a communication issue with the RIO system. The manual lists no action for this code.
- Model
- Ramsey Micro-Tech 3100
- Display shows
- RIO COMM ERROR (A4.09)
- Type
- Error code
- Source
- Manual p. 24
What A4.09 means
RIO COMM ERROR p. 24
If A4.09 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Ramsey Micro-Tech service.
This page summarises what the manufacturer’s manual says about A4.09; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Ramsey Micro-Tech. Found a mistake? Report an error.
