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Robert SmithJul 26, 2025
What to do if there is no LCD display on my Carrier HDB?
- QqbushJul 26, 2025
If your Carrier Network Router's LCD display is not working, it could be due to several reasons. It may be caused by mis-wiring of the 12 volt power, power not being online, or no 12 volts between P and G of the terminal block. First, disconnect the power and correct the wiring problem. Then, verify the wiring and re-cycle the unit power. Finally, re-cycle power after correcting the wiring.
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