If this is red, immediately turn off power and re-verify your wiring and DIP switch settings.
Locate a spot on the DIN rail with at least 10-15mm of clearance on either side to allow for heat dissipation. juq405 install
Check the communication cables and ensure the baud rate matches the master controller. If this is red, immediately turn off power
Verify that your power supply voltage matches the JUQ405 specifications (typically 24V DC, but check your specific model’s label). 2. Physical Mounting If this is red