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Rinse water will not reach high temp

Rinse water will slowly get up to roughly 155-160 degrees but will not go any higher

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Hobart ml 130017


There is a temp booster on that unit. A rinse temp of 190 is not out of the range of specifications. If it is too hot, you should adjust the incoming water temp

May 30, 2013 | Dishwashers

Tip

Dishwasher Water Temperatures


No matter what detergent you use, the "pills", powder, or gels, they are meant to activate PROPERLY, key word PROPERLY, at a minimum of 120 degrees Fahrenheit in a dishwasher. I recommend ALWAYS using the "high temp wash, boost, etc" on ANY cycle in order to keep the water HOT! Always run the hot water in the sink prior to starting the dishwasher! The unit is tied in to the hot water line under the kitchen sink and requires very little water to fill--by the time the hot water finally reaches the dishwasher, chances are it'll be running on cold or tepid water--the detergent won't dissolve or activate the way it's supposed to. Not only that, in between fills during the cycle, especially in winter, the water will cool down in the pipes too much. Normally, the water heating selection will maintain water temps in the 130-150 degree range! If someone has been sick in the house, turn on the SANI RINSE if your unit has it! This won't stop--but it'll help prevent cross contamination--people getting sick from the dishes--this setting normally kicks the water temp up to 190 degrees during the rinse cycle.

on Sep 08, 2015 | Dishwashers

1 Answer

Hobart L30 show code P3 and tempreture rises high Very quickly before it finsh filling


P3 refers to one of the dishwasher's three temperature sensors: sump temperature, booster heater temperature, or rinse water temperature. The dishwashers control circuitry has determined one of them is open or shorted, or at least out of range.

Judging from the symptom you mentioned, that you see rapid temperature reading changes before it finishes filling, I'd say it's probably the sump probe (because that's the temperature displayed during the fill cycle), located under the large removeable screen inside the dishwasher.

To test or replace, remove the small access panel at the lower front of the dishwasher (2 screws).
After the dishwasher has reached a good normal operating temperature, unplug the sump probe connector (white plastic connector with two small black wires going to it and coming from the area mentioned above where the temp. probe is. Using a multimeter, test the resistance of the probe. If the water in the dishwasher is hot (150 deg. F or more), you should read somewhere in the area of 5,000 to 10,000 ohms. If your measurement varies significantly from this range, replace the probe- most likely you'll see a reading near zero ohms or a very high reading, possibly an open-circuit probe (infinite resistance i.e. "OL" indicated on most multimeters).

It's possible I'm wrong about which temp. probe P3 refers to. There is also a temp. probe on the booster heater and one on the rinse piping on the rear of the dishwasher. Test procedure is the same for all of them, although the probe on the rinse piping is not constantly subjected to hot water so testing at room temperature would result in higher resistance value (lower temperature means higher resistance for these temperature probes).

Nov 18, 2010 | Hobart 24 in. LXIH-3 Built-in Dishwasher

1 Answer

Rinse temp too low, first it comes up to 180 degrees and then drops to wash tank temperature, WHY?


Hello,
The rinse temp only reaches 180 degrees for a couple of seconds towards the end of the cycle. This will sanitize all warewash and meets most health code regulations. The rinse water temp will drop rapidly as it is incorporated in to the machine and sprayed on the dishes.
Regards

Feb 23, 2010 | Moyer Diebel 24 in. 301HT-40 Built-in...

1 Answer

Dishwasher takes hours to run through wash and dry cycle. what should normal cycle time be?


2 to 6 hours is possible. The newer machines have a water heat cycle that will raise the water temperature. lets say your incoming water is 90 degrees. The machine want to see 140 -165 depending on the cycle so that cycle will take 75 minutes to reach 165 (1 min per degree temp rise). multiply that by the number of wash and rinse cycles and it can run a very long time. Water should enter the washer at 120 degrees minimum. let it fill and measure the temp you will be surprised. Eric

Sep 13, 2009 | Kenmore Dishwashers

1 Answer

Temp. too hot


First off, the temp adjustment can only be made by a trained service tech, since the dishwasher will need to be reprogrammed to allow for a lower temperature in the rinse cycle but still have the higher temp needed in the wash cycle. Also, since any change in the water temp settings will require a longer wash and rinse cycle to be programmed into the unit.

Of course, you could simply lower the water temp on the water heater that supplies water to this unit, but you'd have lower temp water elsewhere and likely get cited at the next heatlh department inspection on that issue.

Since this is a commercial dishwasher, you might want to reconsider lowering the temp, since health codes and standards for commercial establishments require a MINIMUM water temperarture of 185 degrees F (85 degrees C) for proper operation and to get all the crud off the dishes, etc.

Note, the manufacturer sets these units to the higher temp, 203 degree F (95 degree C) knowing that the water will cool down quickly once the wash cycle starts and the water contacts the dishes, etc. That is also why these units have a added heater element, to help keep the water at the correct temperature needed to both clean AND sanitize the dishes, according to established health standards.

If you really want to change the water temp settings, contact your Hobart service rep and explain the reason you want it lower and see what they say.

Hope you found this very helpful and best regards!

Aug 19, 2009 | Hobart SR24-H Built-in Dishwasher

1 Answer

Rinse not hot enough


145 degree is just your hot water temp and that your dishwasher hot water booster is not working assuming that this machine has worked in the past to produce final rinse water above 180 degrees. Remove the bottom panel and to the right you will see the booster tank, look for a nickel size component with a small red button on it. Try pushing on it to reset it. If that does not work, check for voltage at your heating element on your booster tank. (the thicker wires) If voltage is present then your heating elements need replacing.

Nov 13, 2008 | Hobart 24 in. LXIH-3 Built-in Dishwasher

1 Answer

Hobart LX30H washing to hot.


what temp is it washing at. washing should not be the problem. This machine is designed to rinse at 180 degrees + to sanitize dishes. The machine could be converted to a chemical sanitize, it would use bleach in the rinse water instead of 180 degree water to sanitize.

Sep 04, 2008 | Hobart 24 in. LXIH-3 Built-in Dishwasher

2 Answers

Frigidaire FDB635RBB heat wash/heat rinse


Most DW today take a minimum of 90 minutes. Run the hot water from the sink until it gets hot, then start the DW, this will shorted the first wash cycle. It is not uncommon for the DW to run 2hrs or more based upon the water temperature entering the DW and the soil level of the items in the DW.

May 29, 2008 | Frigidaire 24 in. FDB635RF Built-in...

1 Answer

Stuck in rinse cycle


Mimmi, If the water isn't reaching temp this will happen. It sounds like a heating issue.
Guest,
The spray arm being blocked will not cause this. Again your machine isn't heating the water to temp.

Oct 27, 2007 | Bosch 24 in. SHU43 Built-in Dishwasher

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