Question about Hobart 24 in. LXIC-5 Built-in Dishwasher

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I constantly get the "E4" error every time I turn

Posted by franky428 on

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stravage

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    An expert who has achieved level 1.

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  • 4 Answers

1. Low water pressure - check for clogged hose strainer; ensure
the site water pressure meets minimum flow pressures.
2. Make sure probes are clean. (See Cleaning.)
3. No water pressure - main water supply valves may not be
working.
4. Anti-siphon valve - located in the lower left area of the chamber
just above the water line. Drain the machine and insert a toothpick
or similar object into the hole to verify ball (" OD) is free to float.5. Delime machine.
" OD) is free to float.

Posted on Oct 06, 2017

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5 Related Answers

Anonymous

  • 25 Answers

SOURCE: Integrated dishwasher DW009,

If this is an asko dishwasher , most times this problem is caused by water getting into the base pan and setting off the float switch. Turn off the power and take the toe kick off, behind there is a pan runs under the motor and sump if there is water in it clean it out. that will take care of the problem. but you will need to watch and see if you can tell where the water came from sometimes on those unit its just from too much detergent

Posted on Jan 25, 2008

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Anonymous

  • 170 Answers

SOURCE: E4 error after attempting to fill and get to temp

This is what I found for the E4 code...hope this helps...and thanks for rating my effort...The Fang.


Machine won't fill or won't fill high enough(LX18, LX30 display shows "E0," "E2," "E3," or "E4")

1.Low water pressure — check for clogged hose strainer; check that site water pressure meets minimum flow pressures.
2.Make sure probes are clean.
3.No water pressure — main water supply valves may not be working.
4.Drain valve open - turn machine off to drain machine, then on. Repeat twice (this assists in clearing any drain valve obstructions). Wait for machine to reach READY mode and press WASH. Slowly open door several seconds later and note water level. Close door; 30 seconds later, open door slowly and check that water level is the same as it was. If not, repeat the
OFF-ON procedure.
5. Delime machine.

Posted on May 19, 2009

Anonymous

  • 640 Answers

SOURCE: Hobart lx18 Dishwasher wont fill up

Frank,does the sump probe (the one underneath the screen) look good?It should have at least one quarter inch of metal.I have seen these break and its hard to tell but the info your describing sounds like that probe is bad or the control board.I'm a hobart tech and can help you troubleshoot,let me know----Tony

Posted on Nov 22, 2009

SOURCE: error code e4 flashes on belling dishwasher idw604

I found the solution myself. Underneath the machine, there is a plate. On the plate, there is a float and a microswitch, when the water leaks onto the bottom plate it raises the float and activates the microswith which shuts down the machine and shows E4 on display. To get rid of the fault, you have to pull out the dishwasher, then tilt it, and drain the water from the bottom plate. Also make sure that there is no leak in the internal piping, if there is, the fault will come back as soon as the recess in the bottom panel fills with water.Hope it helps.

Posted on Apr 19, 2010

Anonymous

  • 10 Answers

SOURCE: dishwasher is displaying error E4

normaly its the heat element or the heat sensor

Posted on Sep 24, 2010

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I have e4 showing

E4 error indicate an abnormal water level which means too much inlet water (E5 also is refer at this fault).

I quote other comments/solution about this same error:
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I had the e4 error code and i took the outer panel off and inside behind the power button is a grey reservoir tank which measures the water that goes inside the dishwasher which actually got bunged up with **** and grease causing the floaty thing to get jammed and cause the e4 code to come on which means abnormal water level the top to the reservoir just unclips on both sides then just clean all the gooey stuff out and put it back together it worked for me.
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Once you've delimed the machine, your E4 code may go away. E4 is the dishwasher's way of telling you that it did not fill properly on the initial fill (when you first turn on the machine). More specifically, it means the dishwasher DID NOT SENSE WATER at the upper probe at the rear right of the tank (there are two probes back there, on one assembly, referred to as the MIDDLE and UPPER water level probes). The probe may be coated with lime causing difficulty sensing water at the probe, so a good deliming may clean the probe and fix the E4 problem (in fact, reach back to the probes and break off any heavy built-up lime/scale deposits before deliming). If the E4 code persists after deliming, watch the pressure gauge on the front of the dishwasher. If the gauge reads lower than the green area, you need to adjust or replace the water pressure regulator. If the E4 problem still persists, replace the probe assembly at the rear of the dishwasher.
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Lifting the front of the dishwasher and tilting it backwards seemed to clear the E4 error only for it to come back after the next wash.

I found eventually that the connection to the U bend under the sink was too narrow and was almost blocked hence the dishwasher was not emptying properly.

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May 21, 2008 • Dishwashers
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