{"id":12812,"date":"2022-01-13T15:43:28","date_gmt":"2022-01-13T20:43:28","guid":{"rendered":"https:\/\/jianmingli.com\/wp\/?p=12812"},"modified":"2022-01-13T15:43:28","modified_gmt":"2022-01-13T20:43:28","slug":"ac-incident-01-11-2022-main-floor-ac-outdoor-unit-not-working","status":"publish","type":"post","link":"https:\/\/jianmingli.com\/wp\/?p=12812","title":{"rendered":"AC Incident 01\/11\/2022: Main Floor AC Outdoor Unit not Working"},"content":{"rendered":"
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Contents<\/h2>\n
    \n\t
  1. \n\t\tEnv<\/a>\n\t<\/li>\n\t
  2. \n\t\tSymptom<\/a>\n\t<\/li>\n\t
  3. \n\t\tTroubleshooting<\/a>\n\t\t
      \n\t\t\t
    1. \n\t\t\t\tRevert Thermostat<\/a>\n\t\t\t<\/li>\n\t\t\t
    2. \n\t\t\t\tIndoor Blower Unit<\/a>\n\t\t\t<\/li>\n\t\t\t
    3. \n\t\t\t\tOutdoor Condenser Unit<\/a>\n\t\t\t\t
        \n\t\t\t\t\t
      1. \n\t\t\t\t\t\tCapacitor<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t
      2. \n\t\t\t\t\t\tDefrost Board<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t
      3. \n\t\t\t\t\t\tContactor<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t
      4. \n\t\t\t\t\t\tMain Power<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t<\/ol>\n<\/ol>\n\t\t\t
      5. \n\t\t\t\tResolution<\/a>\n\t\t\t<\/li>\n<\/ol>\n<\/ol>\n<\/div>\n
         <\/div>\n

        Env<\/h2><\/span>\n

        * Outdoor temp: 22 F
        \n* Thermostat setting: 69 F
        \n* Changes:
        \n– changed to wifi Honeywell RTH6580WF<\/p>\n

        Symptom<\/h2><\/span>\n

        * Main outdoor unit not Working
        \n– condenser not working, no humming
        \n– condenser fan not working, no kicks<\/p>\n

        Troubleshooting<\/h2><\/span>\n

        * Set thermostat to heat mode<\/p>\n

        Revert Thermostat<\/h3><\/span>\n

        * Revert back to old thermostat didn’t help
        \n==> Not due to new wifi thermostat<\/p>\n

        Indoor Blower Unit<\/h3><\/span>\n

        * Furnace\/fan works
        \n* Auxiliary heat works
        \n* Emergency heat works
        \n==> Indoor unit ok<\/p>\n

        Outdoor Condenser Unit<\/h3><\/span>\n

        * Condenser no activity, no humming
        \n* Conderser fan not spnning, no kicks
        \n* System board (System operation monitor diagnostics):
        \n– power\/green light: on => power on
        \n– alert\/yellow light: flashes 5 times => open circuit (observed once in the morning)
        \n– trip\/red light: on => system and compressor system check ok
        \n==> Open circuit
        \n* Defrost board:
        \n– Green light: slow sync flashing
        \n– Red light: slow sync flashing
        \n==> normal
        \n* Ref:<\/p>\n

        Lennox error codes<\/a><\/p><\/blockquote>\n