Question about Dishwashers
Acoustic alarm started during the program (stopping program, eco) - opened door and program was on the pre rinse icon; when trying to restart program alarm reappears and won't stop. Made sure that no mech blockage, salt, shiner filled: no change : cannot change program (still on pre rinse) and whenever I try to start, alarm starts without any action. Any ideas what the problem is and better yet what the solution might be ?? Thanks, M
Maybe try unplugging the unit and see if it will "reboot". You may have to start all over but would be better that it not working.
Posted on May 14, 2014
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Posted on Jan 02, 2017
The light flashing it is not an error code. The dishwasher tries to drain because you press the pause button. When you press pause, if there is water Cancel/Drain glows, the dishwasher pauses for about 5 seconds and starts a 2-minute drain . When the dishwasher drains all the water the light goes off. If the light stays on, then the dishwasher cannot drain either because of a problem with drain system or because of a defective control board.
If the appliance does not even start cycling, there is noise, and there is water inside the appliance, then the problem is drain/overflow. If there is no water, start checking from the overfill switch.
If the dishwasher bottom looks dry either there is water trapped in the corners or in the bottom panel, or the drain hose is set incorrectly, and water is flowing back from the drain line, triggering the overflow device. If there is no water and drain hose is fine you will check the overfill device for faults.
Pull out the dishwasher and check the drain hose height and elbow. Ensure that settings are as specified in the user manual. If elbow height is incorrect you get water flowing back from drain inside the dishwasher. That is detected as overfill.
Remove the drain hose and put it in a bucket, then try tilting the dishwasher 45 degrees backward, secure it safely (ask help if needed) and start cycle, so that water trapped at the bottom can be released. Put the drain hose to correct settings and put back the appliance in place if this solves the problem.
If that does not help, then parts must be tested.
Check the drain well again.Open the housing, and remove water present in there . The overfill switch is connected to the float and can also be responsible of the problem. The switch itself can be tested jumping its contacts or using a multimeter to read Ohms at switch contacts. With contacts jumped no overfill will be detected and machine will start working (stop cycle manually after machine begins filling).
If that does not help, go for the rest. Do not replace parts without testing. Check again inlet hose, check spray arms and impeller. Next step would be reading volts from CCU (central control module), and eventually replacing the control module
Test first the drain system, which is the possible culprit.
Disconnect power before performing any maintenance operation.
Posted on May 30, 2011
Tips for a great answer:
It is possible that the machine does not start off the cycle because there are errors due to feedback from the inputs. For the program to start up the main program controller must initiate the INLET/MOTOR/DRAIN pump/ valve to open up and allow each function to be driven starting from the flow of water into the drum as also the drain valve to open to exit the water at the point of the program cycle. If this does not happen then the voltage at the valve/motor/pump must be checked or the fault relates to no voltage from the controller. This means the controller is a suspect.
Make sure that a fault in any of the cycle will relate to the specified action, so check the command from the program module and then the executing device be it the valve or motor or pump.
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