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Diagnose box aircon issue.

Discussion in 'Electronics & Electrics' started by xc351, Mar 12, 2019.

  1. xc351

    xc351 Member

    Dec 30, 2005
    I know box sitcoms are generally throw away. This room is a tinnnny study 2.8 x2.7m so don’t reakky feel like putting a splitty in.

    Fan mode works perfect. However soon as you switch it onto cool you can hear it wanting to kick in almost like a contactor for a second then nothing then repeats after 15 seconds.

    No idea when the last time it was ran as an ac.

    Tiny ac but could it be the motor start cap. I generally thought it would trip the breaker but being such a small ac it may be not be loading up the circuit to much.

    Or anything else worth checking?
    firey4059 likes this.
  2. heller44

    heller44 Member

    Jul 24, 2001
    perth, SOR
    Motor start cap would be my goto as well. Worth checking the low pressure switch as it might have dropped its gas if sitting over time.
  3. RussellK

    RussellK Member

    Jun 11, 2003
    Sounds to me like the low side switch - should be easy enough to find and see if it's making the click as it cuts out.

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