Bosch Dishwasher SMS2HVW66G/45 E:30-00 error

[Twoten]

I am looking at a Bosch dishwasher SMS2HVW66G/45 with a reported E:30-00 error. The machine is one month out of guarantee.

The instructions state: E:30-00 will light up alternately. Water protection system is activated.

The machine goes through the complete cycle, washes and dries OK, but gives this error at the end.

The machine appears to fill, heat, wash and drain without any issues when testing.
There is no sign of water in the base.

Does anyone have any ideas what else would cause this?

[electrofix]

info is sketchy but some sources show this as a drain fault

Dave

[Twoten]

electrofix wrote:info is sketchy but some sources show this as a drain fault
Dave

Thanks, Dave,
My first thought was a drain issue. On the first visit, I found some bits in the impeller area, including dental floss tape, so I thought I’d cracked it. Unfortunately, I had a call back.
I have removed the pump and checked behind the impeller in case something was caught around the shaft, but as far as I can see, it’s clear and the shaft doesn’t feel as if it’s binding.
I found the above information for the error code for this machine in the instructions, so I assumed it might be water in the base, but that’s clear.
According to the instruction manual, E32-00 is a fill fault, and E61-02 is a drain fault.
Also, the machine doesn’t return the error after it’s reset, which I would expect if the fault was related to the float switch.
Is there anything else on this machine other than the float switch that could cause the ‘Water protection system’ to activate? This machine doesn’t have an aquastop valve.

[electrofix]

not that i can think of
assume you have checked for fat blockages under the sink

Dave

[Twoten]

electrofix wrote: not that i can think of
assume you have checked for fat blockages under the sink

Dave

I haven’t because it sounds as though it’s clear and the machine drains quickly.
I was going to remove the hose from the waste and see how quickly it flows but disregarded this idea when the fault showed “Water protection system is activated”.
I think I’ll check the flow rate from the machine and check for fat.

Thanks.

[electrofix]

I had another make that gave a flood fault because the kitchen fitters had broken rear leg and used wood which bent the base up a bit

Dave

[kaibart]

Error e3100 is the old e15 error code water in base e3000 is a flow sensor fault in the left hand side heat exchanger its a filling fault, plus if its a month out of warranty bosch will repair this free as a goodwill gesture

[Author]

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