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wroachAug 5, 2025
What to do if the phase monitor does not energize on my Trane Temperature Controller?
- JJames BradshawAug 6, 2025
If the phase monitor of your Trane Temperature Controller doesn't energize and the LED glows red, check the wiring of all three phases, the voltage, and the phase sequence. If necessary, swap any two line voltage connections at the mounting socket.