Bush HW60-1460D – sudden motor speed change – Err 7

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  • #68721
    Hollytree_Technical
    Participant

    Hi All

    Got called to this machine because it is throwing up Error 7 on a fairly regular basis (apparently it has done it on and off for a while but is now much more regular), According to the fault codes Error 7 is a motor error. What appears to happen on any cycle is that the machine will get to the point where it starts to tumble and after a random amount of time (10 seconds to 2 minutes) it will suddenly kick up in speed for about 2 seconds before shutting of the motor and trying again after which it gives up and throws up the error.

    I have checked:
    Insulation – c275Mohm
    Wiring Loom to motor
    Motor and tacho windings
    Brushes (Plenty left and not stuck)
    Magnet
    Visual check of board
    Water level
    Fill valves
    Heater
    NTC
    Bearings

    I am having to assume that it is the board either not sensing or failing to control the motor properly but wondered whether any else had come across this fault or had any other ideas.

    If it is board then does any one know what the part number is please as connect don’t have this machine listed.

    Serial No:CE0JC4E0H00CRA6K0927

    According to the customer it is an Argos machine which only just over a year old.

    Thank you in advance

    Jem

    #372563
    tj5793
    Participant

    Bush HW60-1460D – sudden motor speed change – Err 7

    Sorry I don’t know the part no but that model nos looks very much like a Haier model nos. is the machine made in the PRC?

    #372564
    Hollytree_Technical
    Participant

    Re: Bush HW60-1460D – sudden motor speed change – Err 7

    PRC?

    It does say Haier on the motor if that helps.

    Jem

    #372565

    Re: Bush HW60-1460D – sudden motor speed change – Err 7

    Hollytree_Technical wrote:PRC?


    “People’s Republic of” China.
    Mike.

    #372566
    stevebunyan
    Participant

    Bush HW60-1460D – sudden motor speed change – Err 7

    Just PMed you.


    Sent from Steves
    iPhone using Tapatalk

    #372567
    spimps
    Participant

    Re: Bush HW60-1460D – sudden motor speed change – Err 7

    Wires from motor socket to tacho are worth a tug!

    #372568
    Hollytree_Technical
    Participant

    Re: Bush HW60-1460D – sudden motor speed change – Err 7

    I think I tugged them all and they all seemed firm.

    Jem

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