Question about Hobart 29 in. AM15-1 Free-Standing Dishwasher

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What brings on the P1 indication on the hobart dish washer

Wrench P1 indicator

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Possibly the thermistor of wash tank is faulty.

Posted on Oct 18, 2016

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P1 = Wash tank probbe assy failure

Posted on Jul 11, 2016

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Posted on Jan 02, 2017

bigg t
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SOURCE: Hobart LXIH displays P2

The rinse thermistor is bad,look on the back of the machine to the right and you will see 2 black wires with a plug that screws into the vac breaker this is the probe.I bet when the dishwasher goes into the rinse cycle the temp jumps all over,let me know.

Posted on Jul 28, 2008

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SOURCE: wrench and code p3 display

this is a probe booster error your probe failed replace it

Posted on Dec 09, 2008

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SOURCE: 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!

Posted on Sep 12, 2009

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1 Answer

What brings on the P1 indication


Indicates problem with the temperature probe. Look in the tank where the float is and check to see if it is covered with debris. The float has a magnet that collects metal particles. The metal probe that is under the float is the temp. probe.

Oct 04, 2014 | Hobart 29 in. AM15-1 Free-Standing...

1 Answer

I have a am-14 hobart washer. having problem with rinse temp indicator. it is fine for the wash then the temp gauge is jumping around, could it be the thermostat?


Your rinse temperature sensor that is a tiny probe in the water piping (top rear of machine) needs replaced. Hobart part # 00-294692. It costs about $84.

Oct 19, 2012 | Hobart Dishwasher Am-14 Commercial Dish...

1 Answer

Hobart am-15 ml-130038 displaying p1 error


I replaced the probe temp according to error code P1 but the display still shows error P1. Is there any suggestion for further troubleshooting?

Nov 08, 2011 | Hobart 29 in. AM15-1 Free-Standing...

1 Answer

P1 error - Will not rinse.


Found this from another solution about the P1 error. Might be helpful:

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!


kc

Mar 18, 2011 | 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

2 Answers

HOBART AM15 DISH WASHER ERROR(E1)


After checking the service manual, I find no code for E1. There is a P1, or other E codes. Please list ML number.

Jun 14, 2009 | Hobart 29 in. AM15-1 Free-Standing...

2 Answers

Hobart lx 40 - problem D 1


Does it show a wrench icon and P1?
error codes are p 1to 3 for probe errors, or E1 to 7 for error codes.
P1 is the probe on the wash tank. It's a thermistor with two black wires to a white connector. There is another on the booster front (P2) and a 3rd on the rear airgap, (p3). You could try exchanging 1 and 3 to see if the fault changes too. You have to drain the booster to swap P2. If it can't determine the wash tank temp, it won't know to control the heat and shows the error.

Mar 20, 2009 | Hobart 25 in. LXIH-4 Built-in Dishwasher

1 Answer

Dish washer beeps all the time


Are there there any codes displayed or a wrench icon on the display?Can you give more info of when the problem started?

Mar 19, 2009 | Hobart SR24C-4 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

2 Answers

Winterizing a LXIH Hobart dish washer


Joe - The main issue is that the builtin booster heater is full of water - it has to be drained - there may be a small drain plug (square-shaped head), if not, you may have to pull loose the heater element to drain the tank. I would pour antifreeze solution in there and also in the wash tank. Unhook the water inlet - you say the machine is hard-plumbed in but mfgr recommends using brauided water hose to connect to water supply. hopefully this helps - I service commercial machines and came across your question and maybe you can ansqwer one of mine - how do I cancel the "delime" indicator? I can't find operators manual. jimmy.

Nov 26, 2008 | Hobart 24 in. LXIH-3 Built-in Dishwasher

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