COMMUNICATION RECEPTION ERROR occurs when the RS485 cable or its connection is wrong or affected by noise. The manual's first action is: “Check the connection of the RS485 cables. Replace the cable if the trouble occurs after confirming the connection.”
- Model
- Sanyo Machine Works SDNR
- Display shows
- COMMUNICATION RECEPTION ERROR (B4)
- Type
- Error code
- Source
- Manual p. 104
What B4 means
COMMUNICATION RECEPTION ERROR p. 131
Common causes
- An RS485 cable or its connection is wrong. p. 131
- The aberration of the RS485 cable by noise etc. p. 131
What to do
- Check the connection of the RS485 cables. Replace the cable if the trouble occurs after confirming the connection. p. 131
- Inform us about the environment (power noise or another noise source, etc.) around the NUTRUNNER system. p. 131
Before you service the product, read the safety instructions in the manual p. 65.
If B4 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Sanyo Machine Works service.
This page summarises what the manufacturer’s manual says about B4; 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 Sanyo Machine Works. Found a mistake? Report an error.