This error code flashes up when there is one minute left to go on the quick wash programme. The pump is still going but it won't switch off. Have to manually switch off. I've checked the booklet but this error code isn't listed!
I fornd this answer on another chat room:
This error means that pressure in drain system is grater than expected. It could occur for two reasons. Most likely, your drain hose is quite long and placed as to make water to suspend in it after draining cycle. Another reason is too much foam. I had the first one. After hanging up the hose above the level of draining hole the problem disappeared. It is nothing dangerous anyway.
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