Large metal objects or other wireless devices (like routers) can sometimes dampen the signal.
The RCT332 typically refers to a specific class of or relay modules used across various industries, most notably in garage door automation, security systems, and industrial remote switching. rct332
The LED on the receiver should flash rapidly or turn solid to indicate a successful pairing. Common Troubleshooting Steps Large metal objects or other wireless devices (like
If the LED on the remote is dim or doesn't light up, the 12V battery likely needs replacement. most notably in garage door automation
On your receiver (the motor or control box), find the button labeled "Learn" or "Code."