Question about Hobart Lx30h Commercial Dishwasher
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: hobart lx30 : rinse cycle
The rinse water in a LX30 is driven by water pressure. A solenoid valve, bottom front - gold body, opens up and allows the water to flow.
If you are referring to the rinse agent pump, there must be NO leaks in the tubing or the hose that runs through the pump. And if the unit has lost its prime, using your hand to "seal" it, and forcing water from the faucet into the line can prime it.
Good luck - Mike
Posted on May 13, 2008
SOURCE: hobart lx30 E3 error
Error Code E3 relates to a problem with the fill. Specifically that the water level has not been recognized at the middle water sensor. This can be caused by a problem with the drain system as you describe, or by low water pressure to the machine (should be 15-25psi flow), or bad wire connection to this middle sensor.
Check for proper water pressure first (should be a gauge on the machine) during the fill. Then check / repair drain as needed. These will probably eliminate the problem
Posted on Aug 19, 2008
E-2 error is a fill problem. Water did not reach the lower probe within the time out. (innitial fill only
1- Is the bottom probe clean?
2- No fill water (check valve, hose,fill screen in end of hose, and fill source.)
3- low water pressure, should be 20 PSI flow.
4- Fuse 1FU blown.
5- Check wiring to fill valve.
6- Check relay board function.
Posted on Aug 08, 2009
the water level is low (should cover the bottom of the tank about a 1/4")and the pump is starving - therefor probably not washing very well.
three things to check
1. check braided fill hose for kinks (you will have to pull the machine out if under a counter). run the machine while pulled out if possible to ensure its not kinking when you push it in.
2. pressure reducing valve-prv (if installed) on the incomming water line before the braided hose (probably under a sink). turn the screw on top clockwise to increse pressure.
TURN THE BREAKER OFF TO DO THE FOLLOWING!!
3. flow regulator (if installed) - installed under the bottom pannel at the end of the braided fill hose (about 2" long and silver). turn off water. you can simply remove it, drill out the centre or just remove the rubber peice inside.
inrease the temp by adjusting the thermostat on the right side under the bottom pannel in front of the booster.(dail is hard to see and breaker must be turned off)
remember - the machine must be turned on for several minuets to truly get up to temp.
Posted on Aug 21, 2009
SOURCE: Hobart LX30
Hopefully you took the suggestion to run the correct 50 amp 208-240 service to the unit.
Converting the unit to an LX30C has a couple of pitfalls. The LX30C is connected directly to the incoming water supply, which should run 120-140 degrees. By reprogramming the unit as an LX30C, the booster would be disabled, which would mean the incoming water would flow through the de-energized booster and be cooling off while it sits in there between cycles and when the unit is shut down.
The incoming fill plumbing (5/8" heater hose) would have to reconnected from the fill solenoid valve directly to the vacuum breaker on the rear of the unit to bypass the booster heater.
On the 208-240 volt LX18/30/40's, the pump motor, booster heater, and sump heater run on 208-240. To convert it to 120 volts you would have to replace the sump heater and reconfigure the motor wiring in the motor junction box.
By the time this is all done, you've downgraded a great machine, confused the next service guy, and have to deal with nasty chlorine and all of it's headaches.
Posted on Sep 12, 2009
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