If your Estate dishwasher won't start, the most common causes are a blown thermal fuse, a failed door switch, or a damaged wire harness that is not sending power where it needs to go. A broken door latch is another likely problem, since the dishwasher has to latch fully before the door switch will allow a cycle to begin. If those parts check out, the main control board could be at fault, though control boards are often replaced too soon, so it makes sense to rule out the simpler failures first. In some cases, a bad drain pump can also keep an Estate dishwasher from starting because the machine may try to drain before the fill cycle begins. If your dishwasher has power but will not start, or the start button seems to work but nothing happens, testing these parts in order is the fastest way to narrow it down. RepairClinic.com can help you match the exact replacement part to your machine, whether you need a thermal fuse, door switch, wire harness, door latch, main control board, or drain pump. Just enter your model number on RepairClinic.com to find parts that fit your specific Estate dishwasher.
01 - Estate Dishwasher Thermal Fuse
The thermal fuse shuts off power to the dishwasher if it overheats. If the thermal fuse blows, it will prevent the dishwasher from starting. To determine if the thermal fuse is defective, use a multimeter to test the fuse for continuity. If the thermal fuse does not have continuity, replace it.
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The door switch prevents the dishwasher from running while the door is open. If the door switch is defective, the switch will prevent the dishwasher from running even when the door is closed. To determine if the door switch is at fault, use a multimeter to test the switch for continuity. If the switch does not have continuity, replace it.
If the dishwasher start button appears to work, but the dishwasher still won't start, a wire harness which sends power from the control board to the pump components could be damaged. Inspect the wire harness for any frayed or broken wires and replace if necessary.
The door latch ensures that the dishwasher door latches shut. If the door does not latch properly, the door switch might prevent the dishwasher from running. If the door latch is broken, replace it.
The main control board provides power to nearly every component of the dishwasher. If there is a problem with the main control board, it might not send voltage to the dishwasher, causing the dishwasher not to start. Control boards are often misdiagnosed—make sure you check more commonly defective parts before replacing the main control board.
A dishwasher drain pump assists in removing the water from the tank at various times during operation. Since the unit will drain some water from the tank prior to the fill cycle beginning, a faulty drain pump unable to drain any water could prevent the dishwasher from starting.