Question about Hobart SR24-H Built-in Dishwasher

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Why doesn't dishwasher heat properly?

Heating element is good, contactor is new, however, as I watch through a cycle, the contactors never engage to fire up the element. Is the temp sensor bad, or maybe the relay that controls the contactor? How can I test? Thanks.

Posted by Anonymous on

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5 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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paultech8226

  • 109 Answers

SOURCE: lx30h hobart dw. booster will not turn on. element

The booster heat control circuit is controlled by the relay board. Visually check for loose or burnt relay contacts...
You will see the booster LED light when it calls for heat. Some newer machines have a second high limit on the right hand side of the booster tank.
It may be your control board is configured for low temp with no booster. When you power up, the display should say LX30H. If not
Pull open the upper drawer, place a magnet over the door interlock switch.

CAUTION, 220 volt power is present. be carefull what you touch.

on control board, short J5-1 and J5-2, then power up. You are in factory setup. press select on the control board to see each option on the front panel., press up arrow on control board to step up through options for each step. when done, press the off button on front panel. remove short and start up normally. With the magnet in place, AND THE DOOR CLOSED, run the machine and observe the relay board status lights.
If you want to adjust the temp set points, with the machine off, press and hold the hidden key behind the front panel logo, and press select on the control board.. Or on power up, hold the wask key..Same to adjust options as above. Press off to exit.

Posted on Aug 08, 2009

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sathyin23

  • 70 Answers

SOURCE: No heat -element is good. Heating contactor not

1)check the heating element continuity&body resistance ok.
2)check the thermostat series with the coil connection get tripped.(relay from board damage)

Posted on Jan 07, 2010

monomoy

  • 110 Answers

SOURCE: no heat on rinse cycle HOBART AM14C Dishwasher

ITS MOST LIKELY A HATCO BSTR . IF THE TANK CAN BE SEEN ITS NOT HATCO.FIRST JUMP OUT T'STAT ON BSTR SO ITS ALWAYS CALLING FOR HEAT CK. ALL ELEMENTS FOR AMPERAGE. BE QUICK SO BSTR. DOES NOT OVERHEAT ON YOU.IS CONTACTOR STILL CHATTERING, IF NOT REPLACE OPER. T'STAT FOR BSTR

Posted on Jan 11, 2010

dprcn33

Dennis Perez

  • 1 Answer

SOURCE: rinse temperature too low

your right dont guess the board is bad!

Posted on Dec 13, 2012

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