Like any other electronic device, washing machines may encounter minor issues after extended use. While the start button becoming unresponsive is not a common problem, it can leave many puzzled about how to resolve it quickly. To address this issue promptly, consider the following steps.

Understanding the Unresponsive Start Button Issue
1. Why is the Start Button Unresponsive on Washing Machines?
To resolve the issue of the washing machine not pressing the Start button quickly, you should understand the common causes of this error:
1.1. Unstable power supply to the washing machine
For the washing machine to start the washing program and operate smoothly, the power supply must be sufficient and ensure stability. If the power fluctuates too much, the machine will stop working midway or you cannot press the Start button to begin the washing cycle.
In addition, exposed wires or incorrectly plugged sockets will also cause unstable power supply. Moreover, it poses a danger to you if you accidentally touch the exposed area. Therefore, it is necessary to check and rectify this cause early on.

Unstable power supply causes the washing machine to not press the Start button
1.2. Washing machine exposed to water, moisture
Washing machines placed in damp locations or exposed to rain, wind are prone to water ingress into the control panel. Additionally, if you accidentally let water get onto the machine, it can easily lead to the washing machine not pressing the Start button, even causing the control panel to malfunction.
1.3. Washing machine control panel disabled
To prevent children from meddling with the washing machine control panel, manufacturers have added the 'Child Lock' feature for users. When using this function, the entire control panel is locked, and you cannot operate any function buttons.
You may have accidentally activated the child lock feature without realizing, leading to pressing the Start button repeatedly but receiving no response.

The control panel is disabled due to the child lock feature.
This is something users often overlook, especially on front-loading washing machines rather than top-loading ones. If the washer door isn't securely closed, the machine won't allow you to start the wash cycle for safety reasons. So if the washer won't let you press the Start button, double-check to ensure the door is properly closed.
The washer door isn't fully closed
1.5. Faulty components inside the washing machine
If the machine has been in use for a long time or operates at a high frequency, the inability to press the Start button may indicate that components inside the washer are damaged. The internal structure of the machine is quite complex, so to determine if this is the issue, it's advisable to have a technician inspect it.

Broken components causing the washer to not respond to the Start button
2. Troubleshooting Methods for a Washer Not Responding to the Start Button
Once you've identified the cause of the washer not responding to the Start button, you can consider some of the following troubleshooting methods:
2.1. Ensure Stable Power Supply to the Washing Machine
If you live in an area with unstable voltage, it's best to equip your washing machine with a voltage stabilizer. A stabilizer not only helps the washer operate normally but also extends its lifespan.

Use a voltage stabilizer to maintain stable power supply
When inspecting the washing machine, if you notice any cracked or exposed wires, they must be replaced immediately to ensure a safe power supply to the washer.
2.2. Check the current settings of the washing machine
If the power supply to the washer remains stable but you can't press the Start button, check if the washer is in child lock mode. When the washer is in child lock mode, indicator lights on the control panel will illuminate.
To return the control panel to normal, simply disable this function. Each washer model will have a different method to disable the child lock function, so refer to the user manual for instructions.
For LG washers such as the LG Inverter 10 Kg FV1410S3B or LG Inverter AI DD 10 Kg FV1410S5W, if the Start button cannot be pressed due to the child lock mode, you can unlock it by pressing and holding the “CHILD LOCK” button for about 5 seconds for front-loading washers. For top-loading washers, you only need to press and hold the Temp + Option buttons combination for about 5 seconds.
2.3. Dry the inside of the washing machine
If you find that the Start button on the washer is unresponsive due to moisture or water ingress, it's advisable to move the machine to a well-ventilated and dry area. If there are signs of water sticking to the control panel, it needs to be removed, cleaned, and dried thoroughly.
2.4. Check and Repair Faulty Components
If you've tried all the above methods but the Start button still doesn't work, it's possible that components inside the machine are damaged. In this case, you should contact the warranty center for assistance in accurately identifying the issue and resolving it promptly.

Contact the warranty center for assistance in troubleshooting the issue
Note: You are not allowed to repair or replace any internal components of the machine on your own, especially while still under warranty. Doing so may cause further damage to the machine or result in warranty denial.
Above are detailed insights into the causes and solutions for a washer's unresponsive Start button. These methods can be applied to most modern washer models such as LG, Samsung, Electrolux, AQUA, etc. Hopefully, this article has helped you understand how to deal with this washer issue. For simple errors, you can troubleshoot them yourself, but for complex issues requiring deep circuit board intervention, it's best to contact the manufacturer's warranty center for assistance!