Question about Dishwashers
Zanussi dishwasher zdf601k shows a flashing error code 20, then when pressing button to continue it won't finish cycle and stops on a code 1.
Drainage pipe etc have been checked and all clear.
Engineer has attended and can't resolve problem.
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Posted on Jan 02, 2017
The most common cause of an OE error code on a modern LG dishwasher is:
1. Blocked drain hose
2. Obstruction in the sump area (beneath the filter, which needs to be removed to check for onstruction)
3. Failing drain motor.
else you need to REPLACE THE PCB POWER CONTROL BOARD
Posted on May 06, 2009
C1 - Partially Blocked Drain - This error will occur when dishwasher was unable to pump out water in less than 95 seconds. Check drain line for debris and blockage. If clear, check for a restricted drain valve in the pump. Check the pressure sensor for correct operation as it sounds like it may be defective and thinks that the machine is still full of water after it has emptied.
Posted on Oct 30, 2009
Hello, welcome to Fixya. I know this post is a few days old, but in the event you haven't found a solution yet I'll throw my 2 cents into it. I suspect the "1" is actually an error code and not coincidentally the reason it doesn't dry. Here`s the most likely reason why it has detected the error... Even if your home water supply appears hot, it's not hot enough and must be heated by the dishwasher to insure a proper clean and dry, hence most if not all manufacturer`s do this. When it comes to your Bosch dishwasher the problem likely lye`s within`the electronic timer/control, specifically the heater relay solder joint. ( a faulty flow switch, ntc or heater can also cause this, but not very probable ). To repair your unit It will require you to remove the control from the unit and then remove the control from it`s plastic housing and look for a burnt solder contact on the printed circuit board. This will be one of the pins from the heater relay, hence the unit sit`s and display`s the error "1" telling you it can`t heat the water. ( I can send you documentation directly from B/S/H/ confirming and explaining this if you'd like to post your email address ). **Further to this, if you or someone you know is proficient at soldering, a lot of times it can be remedied by simply repairing the solder...although Bosch recommend`s replacing the control and I don`t pretend to speak on their behalf nor do I profess to know better. This is just my experience (it work`s) and my opinion (why buy new if one can repair ?)** **Please disconnect the power before attempting any service to the dishwasher** Installing a new control will certainly remedy the problem as well. But when it is priced at about $170.00 I am more likely to offer someone an alternative to buying new, hence my first reaction to mention this repair tidbit. The control is available at most brick & mortar appliance parts stores or on-line at vendors such as "repairclinic.com", "apwagner.com", "searspartsdirect.com" etc. part number is based on your specific model number so you`ll need to provide that. Hope this answer`s your question's, let me know if I can assist you further. Thank`s for visiting "fixya" for your repair inquiries. Please take a moment and rate this solution to it's helpfulness to you and leave a testimony if you're satisfied. Good luck. macmarkus :)
Posted on Jun 27, 2010
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