A: The receiver operates on 12/24V DC only. For 110V AC, you must use an intermediate relay or power supply.
A: Older or budget versions combine COM and STOP internally. Check the label on your specific unit. aodelan wtr2 user manual
A: Rapid flashing (5x per second) indicates a stuck button. Check for debris under the keypad. A: The receiver operates on 12/24V DC only
Connect the receiver terminals as follows (verify with your specific model’s sticker): aodelan wtr2 user manual