Hi, welcome to Just answer
How old is this unit ?
It could be five years old. It is in my holiday cottage. It has probably not been used 20 times in all over that period. It started doing this intermittently. One weekend it would work. The next time we tried it it would.
how many LEDs this one has 6 or 8 ?
OK, those flashing LEDs indicate Overfill or flooding error ... you will have to unplug the unit & pull the unit out and then clean the drain pump assembly completely...after this is done tilt it 45 degrees so that it drains out any excess water...make sure there are no leaks...the problem should be solved after this ...
Thank You. I will try that. There is no excess water in it currently visible. Still want me to go ahead as you suggest?
Yes that is right...usually excess water in the sump will cause this issue...sometimes this will activate the float which will cause these kind of issues..
please let me know how it goes
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