Question about Dishwashers
My DXL will not sanitize, just clean. Has been cleaned out. Could this be electrical?
Posted by Anonymous on
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Posted on Jan 02, 2017
You don't need an additive.
The sanitized LED itself is probably out.
It will not light up if the sensor doesn't sense that the water has reached 155 F. If the dishes are getting clean, I assume the heater is working properly. You could have a failed sensor, but you would usually notice longer than normal wash times and the dishwasher getting hotter than usual.
Alternately press heat dry and hi temp scrub 4 times. This puts washer into diagnostic mode. The first thing that happens is all the LED's light up. If it lights up then it is ok and the problem is somewhere else.
If these instructions don't apply to your machine, please post the complete model number from the decal just inside the front of the tub and I will look it up for you.
Posted on Nov 16, 2007
Bosch dishwashers are designed to heat the water to temp. However it has a 3 hr default if it doesn't reach temp. Start the cycle and see if after 1 hour if the water is hot or cold. If hot, then it is heating the water and the water coming in is just too cold. You may try running the water at the sink to get it hot there first before starting the dw. If the water is cold, then your unit isn't heating the water. At this point I pull the outer door panel, find the largest wires on the control unit and put my meter leads on them then start the machine. You will see 120 volts on your meter. Start the machine in light washes and with in 10 to 15 minutes you should see 0 voltage. Than means the relay has closed in the control and the hot line of the 120 volts is being sent to the heater. If this never happens, then you have a bad control. Bosch dishwashers have a 5 yr part warranty on the electronic control. Now If you get the 0 volts, I will put my amp meter on one of the same wires and check for 9 to 11amps. If that isn't there, then you have a bad heater assy. Hope this helps
Posted on Jan 06, 2008
I had a Bosch DLX series dishwasher that had multiple problems.
First, it had greyish water in the bottom and pushing the power button did not turn on any lights. it had mostly finished a cycle, but not quite. my first thought was to clean it out. i sponged out all the water and removed and cleaned out the filters from the bottom which were all quite nasty. i found food, tiny bones, etc. I cleaned it out and that did nothing but was still probably the cause of the problem. I called Bosch tech support and asked about areset switch. There is none. They told me to switch off the circuit breaker for 30 MINUTES to reset everything. I did that which did not fix the problem.
I then examined the connector wires (connecting the electric to my house wiring) which are in the front under the kick plate, and discovered that they had MELTED! The wiring supplied by Bosch was stranded wire, and my home wiring is solid core. i trimmed the burnt stuff and reconnected it with new wire nuts. if this happens again i plan to disassemble the dishwasher's electric and replace the stranded wire with the good stuff.
That restored the electric and the lights and display. i then ran a test cycle and it seemed to just hum. my guess after googling a bit was that the float was stuck in the up position, and it was trying to drain. This site http://www.applianceaid.com/boschDW.html told me how to run the test mode.
"To start test program, press and hold both POWER SCRUB PLUS and REGULAR WASH program buttons, then turn unit on by pressing ON/OFF button. When program buttons are released, lights above them will flash. To end test program, press ON/OFF button."
The test mode tested out all functions which I think wound up reseting the float switch which actually fixed the rest of it.
Posted on Dec 27, 2008
This is an indication that the water did not heat properly, I have put some instructions together that will show you how to reset the control and what might have caused it. Follow the link below and let me know if it helps.
Posted on May 11, 2010
Hello, welcome to FixYa. 1. You will require a #20 torx screwdriver to remove the door panel by taking out the screws around the panel, except the ones along the top ( watch the edges they are very sharp ) 2. Once the panel is removed you should see the thermostat over by the detergent dispenser clipped to the inner door, remove it and test it. You`ll need a ohm meter/multi-meter plus a lighter or match to heat it up to see if it open`s & closes.
Based on your description I suspect the thermostat isn't satisfied when heating the water, hence it get`s hung up trying to heat in the part`s of the cycle it`s called for.
It very well could be caused by a faulty flow switch, NTC or heater as well but not very likely.
The dishwashers made by Bosch with a rotary dial timer have very few if any, issues with the actual timer or element but they do with the thermostat within the door panel.
If the thermostat is not satisfied the water may heat but not be indicated via the thermostat, hence timer will not advance. This is not likely the issue since your's does not even appear to be heating.
Here`s what you can try. If you have any hesitation or reluctance to service this yourself please call in an authorized B/S/H/ ( Bosch/Thermador/Gaggenau ) appliance technician.
**Turn off the breaker at the service panel before attempting any service suggested **
**NOTE** it can occur the thermostat can become loose and detach from the bracket which holds it in place, this too can manifest in the sysmptom of the timer not advancing
Let me know how you make out and what you find.
Thank you for choosing FixYa and Good luck.
1. You will require a #20 torx screwdriver to remove the door panel by taking out the screws around the panel, except the ones along the top ( watch the edges they are very sharp )
2. Once the panel is removed you should see the thermostat over by the detergent dispenser clipped to the inner door, remove it and test it. You`ll need a ohm meter/multi-meter plus a lighter or match to heat it up to see if it open`s & closes.
Posted on May 11, 2011
Tips for a great answer:
Jul 16, 2014 | Bosch SHE4AM15UC Dishwasher
Jun 25, 2014 | Bosch 800 Plus Series SHE9ER55UC 24...
Wash Cycle Options
Delay Start (model dependent):
This option allows you to delay the start time of your dishwasher up
to 19 hours.
The Sanitize feature is available only in the Heavy, Auto, Normal and Half Load cycles. Press the
"Sanitize Option" button to activate the Sanitation features during these cycles. The technical sanitation
measures may also improve the drying results. The sanitize LED or The "Water Pipe" symbol will light when sanitation
requirements are met.
Note: The dishwasher automatically defaults to Auto Wash when turned off and back on. If you used the sanitize option
in your last cycle, the dishwasher will default to Auto Wash with the Sanitize option selected when you turn it on.
To achieve proper drying, always use a liquid rinse aid, even if your detergent contains a rinse aid or
Note: The dishwasher indicates low rinse aid by turning on the Refill Rinse Aid indicator LED (for units without
a display) or The "Spray Looking" symbol (for units with a display).
If this light is on, you need to refill the rinse aid dispenser
I got the idea that the "squiggly arrow" has something to do with the sanitize feature also. If you post your model number "on the inside right hand side of your dishwasher door" I'll go get your manual and post the link here. Hope this helps so far! :)
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