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    JoeO Posts: 2, Reputation: 1
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    #1

    May 13, 2015, 07:25 AM
    Carrier Weathermaker 8000 AC continuous function
    [FONT=Times New Roman][SIZE=3][COLOR=#000000][/COLOR][/SIZE][/FONT]Hello,I have a: Carrier Weathermaker 8000 model 58WAV070-12 s/n 4999A11255 Carrier Tech 2000 compressor.For the past two days I've had these intermittent problems:[FONT=Times New Roman][SIZE=3][COLOR=#000000][/COLOR][/SIZE][/FONT]The AC fanand compressor run continuously cooling the house down to 69 degrees. Thethermostat makes the appropriate noise as the temperature passes the settemperature but the AC fan and compressor continue to run. The fan switch isset on auto. Voltages at the thermostat and the board are Red>>Yellow 0V.Red>>Green 0V. Red>>White 24V.[FONT=Times New Roman][SIZE=3][COLOR=#000000][/COLOR][/SIZE][/FONT]If I tripthe circuit breaker to the compressor, it turns off, but the furnace fancontinues to run. Voltages at the thermostat and the board are Red>>Yellow0V. Red>>Green 24V. Red>>White 24V.[FONT=Times New Roman][SIZE=3][COLOR=#000000][/COLOR][/SIZE][/FONT]If I setthe thermostat to heat, the compressor continues to run, the fan cycles off for45 seconds then starts back up. [FONT=Times New Roman][SIZE=3][COLOR=#000000][/COLOR][/SIZE][/FONT]Continuityalong the wire from the thermostat to the board appears to be intact. The boardLED is on and continuous. I tried a cheap replacement thermostat with the sameresults.[FONT=Times New Roman][SIZE=3][COLOR=#000000][/COLOR][/SIZE][/FONT]The furnaceand compressor will function appropriately for short periods, but then revertsback to this behavior.[FONT=Times New Roman][SIZE=3][COLOR=#000000][/COLOR][/SIZE][/FONT]What’snext?[FONT=Times New Roman][SIZE=3][COLOR=#000000][/COLOR][/SIZE][/FONT]
    JoeO's Avatar
    JoeO Posts: 2, Reputation: 1
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    #2

    May 13, 2015, 08:28 AM
    I'm not sure what happened with the format of the original question. I hope this posts correctly as there's no preview.

    Hello,
    I have a:
    Carrier Weathermaker 8000 model 58WAV070-12 s/n 4999A11255
    Carrier Tech 2000 compressor.

    For the past two days I've had these intermittent problems:

    The AC fan and compressor run continuously cooling the house down to 69 degrees. The thermostat makes the appropriate noise as the temperature passes the set temperature but the AC fan and compressor continue to run. The fan switch is set on auto. Voltages at the thermostat and the board are Red>>Yellow 0V. Red>>Green 0V. Red>>White 24V.

    If I trip the circuit breaker to the compressor, it turns off, but the furnace fan continues to run. Voltages at the thermostat and the board are Red>>Yellow 0V. Red>>Green 24V. Red>>White 24V.

    If I set the thermostat to heat, the compressor continues to run, the fan cycles off for 45 seconds then starts back up.
    Continuity along the wire from the thermostat to the board appears to be intact. The board LED is on and continuous. All connections to the board and thermostat are tight. I tried a cheap replacement thermostat with the same results.

    The furnace and compressor will function appropriately for short periods, but then reverts back to this behavior.
    What’s next?
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