WAS20160UC washer is brand new. When I try to run a cold wash, only hot water runs in. I called Bosch and they seem to think the hoses are swapped. They told me if the cold water were turned off, the washer would show an error message when I attempted to turn it on.
I have a plumber coming over to check it out, but if that's the case,and the hoses are indeed swapped, wouldn't only cold water enter when I select the hot wash temp?
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Re: No Cold Water Wash; Only Hot
When doing a hot wash the machine is designed to take both hot and cold water. This is because it can heat the water to your selected temperature but if the water coming in is too hot it needs to cool it down to avoid heat damage to your laundry.
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Turn off the
water valves which supply the water to washer hoses.Switch the hot and cold water supply hoses
and tighten. Turn the water valves back on and try to run a wash cycle using
cold. If hot water only is entering the wash tub the water supply is ok. If
this is the case you can unplug the washer and turn off the water valves. Remove
the washer back cover and follow the water connection for the hot water. The
water solenoid valve will have two electrical wires connected
to it. Interchange the hot water solenoid wires with the cold water solenoid connection.
Connect the water supply hoses hot to hot and cold to cold then plug the unit then
test the washer on the cold wash. If the problem persists it could be a water
hose restriction or the timer circuit could be defective. If you have hot water
at the normal pressure purchase a new hot water solenoid valve.With the electrical cord unplugged be sure to
restore the correct wire connections on the hot and cold water solenoid. To
replace the hot water solenoid remove the hose clamp and hose to replace the
old valve. Connect the unit to the water and electrical outlet. Turn on the
water and test the unit for leaks being careful not to touch any electrical and
moving parts. If all checks ok and the correct temperature work, unplug the unit
You are better off swapping the valves over in the machine until you can buy a replacement valve. I've done this for a month or so until I replaced the valve. Works as long as you only use a cold wash and your cold water is not too cold as to make the machine want to add some hot. If it does this then simply press start to clear the fault.
Sounds to me like your water valves in the back are going bad, just had it happen on mine the other day, I bought one online for like 15.00 that was new solinoid valves for both hot and cold water. took about an hour to install with no instructions (take the old one out, new one hooks up the same way) or call the washer repair people.
Hi. I had the same problem with my Bosch washing machine and called
Bosch...was told the same thing...$99.00 for service call. I managed to fix my
problem by doing the following:
Removed hot & cold water supply hoses.
Took filter screens out of both hoses.
Removed filter from cold inlet on back of washing machine. I noticed some
oily buildup on both of the cold screens so opted to not put any of them back
Then I put hot & cold water supplies back on the wall hookup, but
crossed the lines where they came into the back of the machine intentionally so
that the hot water line fed into the cold side of the washing machine and vice
Then I ran a couple loads on "cold" which was actually hot water coming in
to the machine.
The reason I did this was that I figured there must be some more waxy
buildup inside the machine in the cold lines and hoped the hot water would melt
it like when you rinse a greasy pan under hot water.
I hope this helps you.
Is the hot water hot that is coming to the washer? Are you using the correct settings on the unit? If yes to both then either the solinoid water valve is bad or the timer switch unit is bad. Try going to a totally hot water setting. While turning on the machine feel of the hot water line at the machine and see if you notice a buzz or feel a click as you turn on the machine. On this setting does water run in and is it hot or cold. If water runs and it is cold try going to a total cold setting and see if you get cold or hot water. Is this a new setup or has it been working and stopped? If new, you could have the hoses connected backward. If you get water in both hot and cold settings but cold both ways then your hot water heater is not working....let me know....