BEKO DRCS68 condenser dryer fault

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  • June 29, 2012 at 10:24 pm #70216
    jime17
    Participant

    Hi folks,

    Got a BEKO DRCS68 condenser dryer and the tank full light on and machine shuts down.

    emptied tank – still same problem. Cleaned heat exchanger, still the same.

    inside the back of the machine there is a reservior with a pump in and a polystyrene float. the condensation runs into the reservior and is pumped up to the pater tank. when the tank is full, it overflows and runs via a return pipe back to the reservoir. When this happens, the reservoir fills, the float rises and actuates a microswitch which shuts the machine down.

    I checked that the microswitch wasnt stuck in the actuated position and I checked the pipes for blockages. I also removed the pump and applied 230v to the two terminals and confirmed that it operates.

    I’m a bit stuck now. I’m not sure whether the pump operated at all times whilst the machine is running or whether the pcb switches it on and off intermittantly during the drying cycle.

    My next thoughts were to hold the microswitch down in the un-actuated position, disconnect the pump supply and test with a meter is the pcb is sending 230v at any time while the machine is running. (my thinking behind this is that maybe the pump is failing under load only or intermittantly)

    Other than that I guess I’m looking at a new PCB, but I want to exhaust all other possibles before I shell out £40 notes on a vild goose chase.

    Do any of you good people have any ideas? Thay’d be much appreciated.

    Cheers,

    Jim

    June 30, 2012 at 11:23 am #377407
    Seamy
    Participant

    Re: BEKO DRCS68 condenser dryer fault

    It is operated on & off, doesn’t run all the time. Try running appliance on timed settings, as sensors may be switching it off in Auto dry mode. When it stops for whatever reason you get message:- tank full & clean filters irrespective of whether tank is full or filters need cleaning, this is a reminder to customer. Check cable from p.c.b to pump & connections at p.c.b are tight, possible p.c.b fault

    June 30, 2012 at 1:44 pm #377408
    jime17
    Participant

    Re: BEKO DRCS68 condenser dryer fault

    Hi Seamy,

    Thanks for reply.

    Just had it apart again – took pump out and wired it direct to mains. Dead as a dodo.

    Ran the machine with pump disconnected and put meter across pump terminals. read 0 for a few mins, then I heard the pcb click and meter read 230V for a min, then pcb clicked and reading went back to 0. It then repeated the cycle a couple of mins later so all looks good there.

    For good measure, I put the meter across the pump when it was disconnected and it was open circuit. Its been a long time since I did my electrical principles, but that seems consistent with a dead pump doesnt it?

    I’d have expected some sort of impedance/resistance reading from a healthy pump?

    Cheers for your help.

    Jim

    July 28, 2012 at 12:40 pm #377409
    Seamy
    Participant

    Re: BEKO DRCS68 condenser dryer fault

    In or around 200 ohms would be the reading to expect on a pump, in the first part of the post you said it ran when power was applied to it. Maybe theres an intermittant fault with the coil, luckilly parts are not to expensive for Bekos.

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