Question about Hobart 24 in. LXIH-3 Built-in Dishwasher

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Hobart dishwasher model LX30H; displays wrench and E4.

Please identfy error code and remedy. Thanks for your help.

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  • 2 more comments 
  • Steve Leider Dec 12, 2008

    Error code is a wrench and E3

  • paultech8226 May 11, 2010

    please post the error code, your title was truncated.

  • dhtech May 11, 2010

    which error code

  • gary marzian May 11, 2010

    what is your error code

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Water is not to top sensor in alotted time.
Top sensor is in right rear corner, and is the upper of the two. Check the connector to the probe on the outside at the back. (sometimes gets wet fro vacuum breaker leaking when dirty or low flow pressure. Machine needs 20 psi flow rate

Posted on Aug 14, 2009

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Posted on Jan 02, 2017

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1 Answer

Hobart lx30h leaking from bottom


This is a testing for the post on this web site, not a solution.

Mar 27, 2014 | Hobart Lx30h Commercial Dishwasher

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LX30H THROWS A CODE EO after running awhile. I hit the high reset button under the flaps on the front for both the boost and reg elements . It will work for a couple cycles and then does the same thing....


Machine won't fill or won't fill high enough. site water pressure meets minimum flow pressures. (LX18, LX30 display shows working.
"E0," "E2," "E3," or "E4". LX40 display shows "DR1 PRBLM," "FILL1 PRBLM," FILL2 PRBLM," or "FILL3 PRBLM". Machine will not run.)

1. Low water pressure - check for clogged hose strainer; check that

2. Make sure probes are clean

3. No water pressure - main water supply valves may not be

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. If problem persists, call your local Hobart
Service Office.

5. Delime machine.

https://my.hobartcorp.com/resourcecenter/ProductDocumentation/F18615%20Rev%20I.PDF

Dec 10, 2013 | Hobart Lx30h Commercial Dishwasher

1 Answer

Hobart dishwasher model LX30H displays -5 on


by the way you're describing the problem, i would have to say there is something wrong with your control board. part#473173 can be bought @ any hobart office in your area. dont forget to vote

Feb 07, 2010 | Hobart 24 in. LXIH-3 Built-in Dishwasher

1 Answer

Lx30h P2 ERROR CODE? WON'T DRAIN COMPLETELY - HELP


the p2 err. is on open or shorted rinse thermistor which is located on the back of the mach next to the vac. brkr. as for draining ck the drain valve for debris, and the end of the drain hose where it connects to the building drain

Dec 25, 2009 | Hobart 24 in. LXIH-3 Built-in Dishwasher

2 Answers

P1 error code on LX30 Hobart


This is a bad sump temperature probe. The unit will function, but will not heat nor display the wash water temperature.

This is a very easy fix. Order Hobart part number 328994 from your nearest Hobart parts dept.

Turn off and drain the unit. Kill the power to the unit at the circuit breaker. Remove the lower front cover. Locate the screw-in temperature probe at the front of the sump. Unplug the sensor from the wiring harness, remove with a 7/16" open end wrench. Screw in the new probe, using teflon tape of the threads, snuggly. It does not need to be super tight. Plug it into the harness, reinstall the front cover, turn the breaker back on, and start up the unit.

TURN THE BREAKER OFF AS EVEN WITH THE UNIT "OFF" THERE WILL BE 120 VOLTS PRESENT AT THE SUMP HEATER (yellow wires) DUE TO ONLY ONE LEG OF POWER BEING SWITCHED OFF!

Sep 04, 2009 | Hobart 24 in. LXIH-3 Built-in Dishwasher

1 Answer

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.

Apr 28, 2009 | Hobart 24 in. LXIH-3 Built-in Dishwasher

1 Answer

Hobart LX30 error code wrench & E5


What error code is displayed?e1,e2,e3,e4?I'm a hobart tech let me know.

Apr 10, 2009 | Dishwashers

1 Answer

Temperature Problem


Whats the model?lxih,lx30h,lx18,lx40?What temps are low,wash or rinse?Im a hobart tech and service these units.Let me know.

Jan 19, 2009 | Hobart 24 in. LXIC-5 Built-in Dishwasher

1 Answer

Wrench and code p3 display


this is a probe booster error your probe failed replace it

Dec 09, 2008 | Hobart 24 in. LXIH-3 Built-in Dishwasher

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