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  1. 12-04-2010, 09:29 AM #1
    dennis.angelo's Avatar
    dennis.angelo Guest

    Fujitsu Hiwall with Plasma ASTB24LDC - timer blinks twice



    Please help. We have installed a fujitsu Hiwal heat pump but when turning it on the outdoor unit doesn't turn on but the indoor unit works except that it blinks twice and then after 18 secs it blinks twice again.


  2. 12-04-2010, 10:33 AM #2
    kiwipinoy2000's Avatar
    kiwipinoy2000 Guest

    Re: Fujitsu Hiwall with Plasma ASTB24LDC - timer blinks twice

    have you check the comms cable terminals in between indoor and outdoor unit are in the right terminals?
  3. 12-04-2010, 11:23 AM #3
    nike123's Avatar
    nike123
    nike123 is offline Moderator Site Moderator : and general nice guy
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    Re: Fujitsu Hiwall with Plasma ASTB24LDC - timer blinks twice

    Your indoor unit doesn't get signal from outdoor unit at start up. It could be simple as blown fuse in outdoor unit or bad/wrong signal cable/connection or it could be faulty outdoor unit PCB.
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