Question about Whirlpool 24 in. ADG7540 Built-in Dishwasher
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Posted on Jan 02, 2017
6 flashes indicates water intake fault ie machine is saying it has not filled with water within the required time.
-Check inlet hose not kinked or blocked.
-Next, check inlet valve is OK (check with ohm meter-should read approx 4k ohms). If no circuit thru valve, replace.
-Could also be fault with water indicator switch (much harder to access and diagnose- located underneath sump on right hand side).
-I have also had this occur because of a faulty flow meter. Flow meter measures the volume of water as machine fills. Flow meter is large plastic chamber located on left hand side of machine (accessed by removing left hand side panel). It has a sensor on the bottom with 2 blue wires. Unfortunately again, very hard to test this component without specialist equipment.
Hope this is some help- not sure how technically minded you are, but checking inlet hose for kink/obstruction is a good place to start, then advise calling service technician unless you are a confident DIYer
Posted on Aug 10, 2009
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Posted on Oct 27, 2011
see this causes and use the common sense. God bless you
The main power supply is the first thing to check. Also remove the toe kick and the cover on the power box and check the connections. Also check for 120 volt at the power box.
Hi - Limit Fuse
This will fail if your dishwasher overheats and occassionally with power surges. This is easy to check, inexpensive and a quick fix. Just check the terminals for continuity ( remember always remove one wire) if you have none replace the hi limit fuse.
This is the second place to look. Again an inexpensive easy fix. The following video will walk you thru checking the door switch. The power comes into the main power box and usually runs to the door switch next before entering the main control module.
Main Control Module / Timer
The main control module or mechanical timer controls all the functions of the dishwasher. To check this you will need to find the 2 leads that supply the power to the control. They will be marked on the wiring diagram. They usually come from the hi - limit fuse or the door switch. When the door is latched you should have 120 volts entering the main control. If you do not the problem is not the control. If you do have power entering the control but none of the functions work properly or it does not respond at all you will need to replace the control module, this is easy to replace but not very inexpensive to purchase. Consider the age and overall condition when purchasing this part.
The motor may have failed. If the control illuminates on electronic versions the problem may be the motor. To check the motor refer to the tech sheet located behind the console cover on most models, this will sometimes have the ohm reading of the motor. Also check each lead to the metal housing of the motor to check for shorts in the motor. If you do not have the ohm reading specicifications, check for continuity if none replace the motor. Make sure the motor is recieving power.
If the float switch has failed or is stuck the dishwasher control may not respond. The float switch is easy to check and replace. We have video and tutorials that cover several styles.
Posted on Sep 20, 2012
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