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-   -   Honeywell RTH2300 - heat not working in ' auto' setting? (https://www.askmehelpdesk.com/heating-air-conditioning/honeywell-rth2300-heat-not-working-auto-setting-524053.html)

  • Nov 8, 2010, 12:44 PM
    merlin62
    Honeywell RTH2300 - heat not working in ' auto' setting?
    Honeywell RTH2300 installed - heat works in 'on' setting; does not work in ' auto' setting?"

    JP1 heating fan control set to "HE" position (electric furnace).
    JP2 heat pump reverse valve set to "O" position (orange wire attached).

    (Installed about 6 months ago. worked fine in summer for cold "auto" setting.)

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