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  1. #1
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    Mitsubishi VRV KX2



    I hv just joined the forum today. My friend is using Mitsubishi VRV system model KX2 but he recently sees red light flashing and error code E40. Can anyone tell me what goes wrong and how to fix it?



  2. #2
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    Re: Mitsubishi VRV KX2

    Mitsubishi VRF KX 2

    I hope this will be of help?

    For the Mitsubishi Heavy KX4 range and most of there R410A equipment the E40 fault indicates that the High pressure switch 63H or 63H1 has activated and tripped the unit

    Reasons
    a) System overcharged with refrigerant.
    b)Service valve is shut
    c)insufficient airflow across the condenser coil/no airflow
    d)High temperature of air onto the condenser coil
    e)Condenser fans not moving the air.


    Pingo

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