Dishwasher dosn't comlete cycle, reaches water heated and washes, then stops, led lights go off and the prewash light comes on and flashes. Dishwasher is left with hot soapy water, the washer is approximately 11 years old the modle is Westinghouse 904
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The Control is programmed to stop running and not allow any further cycles if it detects a water heating problem (no temperature increase detected in heated Main Wash on 3 consecutive cycles). The Control will flash the Clean LED 7 times repeatedly and will disable the Start/Resume key until cleared.
To clear and reset the control press in this order: Heated Dry ? Normal ? Heated Dry ? Normal and then let the unit run for 1-2 minutes and then press Cancel and let the dishwasher complete the cancel cycle. The dishwasher should operate normally again unless it does not detect a temperature rise in the main wash cycle.
It could be caused by a Heater circuit problem if it continues to stop and flash the Clean light.
It could have one of the following failures:
Open in heater.
Open connection or component in heater circuit.
Faulty heater drive circuit on control.
It can also be caused by the wash pump not pumping water past the heater efficiently.
Led 1= Prewash / 3hr Led 2= Wash / 6hr Led 3= Rinses / 9 hr Led 4= Drying / 12hr
LED. illuminated 1 = Overflow ( water in base ) tip machine back. does water come out? if so you have a leak, possibly from bottom spray arm nut or loose salt pot. see if they are loose. if not, remove the base, put dishwasher on a block of wood, shine torch underneath to see where the leak is.
1+2 = Pump timeout, or Software recognition error ( timer not programmed, wrong keypad)
1+3 = Circulation pump not working
2+3 = Not filling
2+4 = Heating circuit not working
2 = Solenoid valve 'broken'
3 = Thermistor (NTC) cicuit not working
4 = Temp not reached whilst heating ( poss NTC detached from casing). remove door panel. ntc is attatched to the rear of dispenser, a little white thing with 2 black wires on it. refit to the clip on the dispenser.
It is usually necessary to 'reset' the machine after a fault code has been displayed.Resetting. Switch dishwasher OFF, rotate the selector switch to STOP/CHANGE and switch on, after a few seconds the LEDS will go out enabling a new programme to be selected
either the pump is not working or the discharge hose is clogged, if you have an air gap on the sink take the hose off and hold it down see if the water comes out by tself if so the pump is bad if not the drain is colgged take out the bottom tray you will need a 1/4 inch nut driver take the plastic screen cover plate off clear it of debris, there is a sharp metal blade in there so be careful, after cleaning it out turn on to rinse and see if it drains if not you will need to either replace the dishwasher or the pump, dollar for dollar new dishwasher time
No solution! tried resetting to factory defaults but ended up that even the drain pump stopped working. after flooding the kitchen (nearly). I decided it was terminal and am loking for a new dishwasher urgently as I type. Cheers.
For a detailed Dishwasher illustration, click below.
Built in Warning!To avoid personal injury or even death, always disconnect yourappliance from its power source--that is, unplug it or break theconnection at the circuit breaker or fuse box--before you do anytroubleshooting or repair work on your appliance. Also, because somecomponents may have sharp edges, use caution while working on yourappliance.
One of these was in my house when I moved in, still have the manual. Very efficient dishwasher. A is a prewash (machine will stop after it). Manual says it's meant to rinse stuff while you wait until you've filled the machine to run a full wash. D is economy wash. Water is heated according to the switch you select on the front. C is a prewash that will continue on to D (normal cycle). Water is at incoming temp. B is another prewash that will continue on the C etc (heavy cycle). Like C, water is at incoming temp. E is dry cycle. Heating element is on/off depending on switch on the front (dunno why you'd turn it off..) While turning the dial, push it in and it will stop exactly at the start of theach cycle. Mine has stopped emptying, think the pump has died, looking for a replacement..
Many dishwashers heat the wash and/or rinse water to a higher temperature, as the cycle calls for it. In these cycles, the dishwasher pauses after it has filled with water, waiting for the water to reach the pre-set temperature. What happens next, depends, as follows:
On some units, the pause is timed and the unit continues after the allotted time.
On others, the cycle can't continue until the water reaches the higher temperature. If you have this type of dishwasher and the water isn't being heated (say, because of a problem with the heating element or thermostat), after the unit stops at the heating cycle, it never continues. When you repair the heating-system problem, the "cycle problem" is fixed too.
About the led:
If your dishwasher has a digital readout and you see an error code, it may indicate a problem with the unit. If this happens, look up the error code in your owner's manual to find out what the problem is.