Bosch Dishwasher: Check tap light flashes but no apparent issues with draining

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  • #95721
    Hai Mac
    Participant

    Hi!

    We started having an issue with our dishwasher today. The “Check tap” light started flashing (shown below, minus the flashing light)

    [IMG2=JSON]{“data-align”:”none”,”data-size”:”full”,”src”:”https://www.applianceblog.com/mainforums/attachment.php?attachmentid=42636&d=1554595224″}[/IMG2]

    According to the manual, this is an issue with the tap or draining.

    I checked and couldn’t find anything clogging the drain. The water level looks like this (maybe 1-2 cm of water)

    [IMG2=JSON]{“data-align”:”none”,”data-size”:”full”,”src”:”https://www.applianceblog.com/mainforums/attachment.php?attachmentid=42637&d=1554595415″}[/IMG2]

    If I add clean water to the dishwasher and turn it on, it will drain down to about this level, which makes it me believe it’s not blocked.

    I opened the cover and checked for any debris and turned the impeller to make sure it can rotate freely.

    [IMG2=JSON]{“data-align”:”none”,”data-size”:”full”,”src”:”https://www.applianceblog.com/mainforums/attachment.php?attachmentid=42638&d=1554595498″}[/IMG2]

    To give you an idea of the water level, the impeller is about 90{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d} submerged in water.

    We’ve used the dishwasher almost daily for the past 4 weeks without problems until now. Before this problem happened, I added salt to the salt tank and did a cleaning cycle with nothing but this cleaning product: https://www.amazon.co.uk/Finish-Dish…c=1&th=1&psc=1

    I am confused: the dishwasher seems to be draining fine. Water is presumably coming into the system since the cleaning pack was empty after the cleaning cycle.

    Any tips would be appreciated. Thank you!

    #461158
    electrofix
    Moderator

    have you got the Enr number for the unit + the FD number

    a lot of the times this number is on top of the door on the silver bit and is a see through lable so hard to see

    Dave

    #461159
    Hai Mac
    Participant

    Yes! Sorry I had those written down but forgot to include them:

    SPV40C00GB/07
    FD 9205

    #461160
    electrofix
    Moderator

    ok FD number gives me may 2012

    most likely in this is the switch that counts the water in. its at the left hand side in the heat exchanger unit

    go to

    https://www.bosch-home.co.uk/customer-service/care-protection-and-parts/spare-parts

    put in your Enr and you will get a list of parts

    go to page 4 item 0405 part no 611317

    https://shop.ukwhitegoods.co.uk/611317-bosch-dishwasher-flow-meter

    ignore the plastic case it is in you are just fitting the little board


    cant ever be 100{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d} it will cure it but its highly likely as its a common fault

    Dave

    #461161
    Hai Mac
    Participant

    Thank you Dave for the reply!

    Is this something I can likely replace myself? The dishwasher is in-built, is this something that will require the dishwasher to be taken out?

    As another data point: I’ve turned off the dishwasher overnight and next day it seemed fine. I did another proper cycle with dishes in and the cycle ended with the same error, however the dishes were cleaned and there was no excess water in the dishwasher.

    Does this sound like it could be the problem you describe?

    #461162
    electrofix
    Moderator

    yes its got to come out

    if it completes a cycle first time and then fail and it does this on a regular basis then it may be just fluke or it maybe a board fault

    its not a hard thing to change just a bit fiddly

    Dave

    #461163
    Hai Mac
    Participant

    Thank you Dave and apologies for the late reply. The dishwasher sometimes runs fully without an issue, I’ll keep an eye on it and will order the replacement component should it act up again. Thanks again for your help and tips!

    #461164
    Kelvin Currie
    Participant

    I’m having this problem with our SMV40C30GB/45 FD 9610. Is it likely to be the same fault?

    #461165
    electrofix
    Moderator

    Kelvin Currie wrote:I’m having this problem with our SMV40C30GB/45 FD 9610. Is it likely to be the same fault?

    your is a different system
    think the light that is flashing on yours means check water supply
    so check tap is on and there is no kinks in the water supply hose

    but look in your owners manual to check we are talking about the same thing

    Dave

    #461166
    Kelvin Currie
    Participant

    Thanks Dave. The manual says that if it is flashing, a technical fault has probably occurred. I had turned it off at the mains overnight and will try it again as they suggest. If it still fails, do you have any suggestions?

    #461167
    electrofix
    Moderator

    if you set a programme
    Will it start?
    does the pump run as soon as you turn on ?
    if it does start how far will it get before the light flashes ?

    little or no tech on Bosch so it a google search for possibilites

    you have to see if you can figure out why its failing

    Dave

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