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D
denisemeyerAug 6, 2025
What to do if nothing is shown on the Weil-McLain Eco Tec 80 display screen and it won't respond to heat?
- RRichard ThompsonAug 6, 2025
If your Weil-McLain boiler's display screen is blank and it's not responding to a call for heat, first, examine the wiring for any short circuits or incorrect connections. Next, check the 3-amp low voltage fuse on the control. Finally, verify the transformer connection to the control, referring to the wiring diagram, and confirm that the transformer is outputting 24V.
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