The ‘H2O supply’ error indicates that either the supply valves are not supplying enough water to the machine or the pressure switch/sensor is not able to sense the water level in the washtub. If a pressure switch or sensor fails to determine the amount of water filling the washtub, it may result in overfilling, thus triggering the ‘H2O supply’ error code.
So, to prevent overfilling, the washer will activate the drain pump for up to 4 minutes.
- If your GE front-load washer displays an “H2O supply” error code, you should first inspect if enough water is supplied to the washing machine.
- If you find that the water supply is normal, then there is something to do with the pressure sensor which may have turned faulty.
- Try resetting or restarting the washer and see if that helps. If the error code is random i.e., without any underlying cause, it should go away post-restart.
- If restart and reset don’t work, you should call the GE Appliances helpline and schedule a servicing.
- In most cases, the H2O Supply error code is related to water supply issues.
How to fix the H2O supply error in the GE washing machine?
A problem with the machine’s water supplies or a damaged pressure sensor may trigger an “H2O Supply” error in GE washing machines.
Start by checking the components that are connected to the washer’s water supply, such as the water pressure, faucets, supply lines, and water inlet valves.
Here’s a quick checklist that you can go through to fix the H2O Supply error.
Start by inspecting the supply lines if they are supplying water to your laundry room or the washer.
If this looks fine, then check if the water faucets are completely turned on or not.
If the water faucets were partially turned on or were off then simply turn them on to full level.
Once you turn them on, check the inlet valve to see if the water is running properly toward the machine.
If not, then it must be something to do with the water faucet or a stuck lever, it can be clogged due to debris or corrosion.
To fix the issue, you will need to call a professional plumber, as it may require cleaning or replacement of the faucet.
In case the water flows to the machine properly, check if there is enough pressure in the water supply.
If the water pressure is too low for the machine, you will need to get it fixed to prevent the H2O supply error on the machine.
If the flow is always on the lower side, simply install a small-capacity water booster pump for your washing machine.
You can always discuss the need with a service professional because exerting too much pressure can also result in a number of issues.
If the water faucets and water pressure are fine, then it must be something to do with the inlet valves of the washer.
The water inlet valve is one of the important components in your washing machine that allows water to enter the machine.
Most washing machines will have 2 inlet valves one for hot water and one for cold.
Over time, these valves can become clogged with mineral deposits, dirt, and debris.
This can cause your washing machine to not fill properly or prevent it from filling at all.
Mineral deposits and limescale build-ups are especially problems in the areas that supply hard water to homes.
So, if you notice that your washing machine is not filling up with water as it should, it is likely due to a clogged water inlet valve.
It is also a result of not cleaning the water inlet valves on a regular basis.
You can refer to the below steps in order to clean the inlet valves of your GE washer.
- To clean the inlet valves start by unplugging the washing machine from the power outlet and turning off the water supply.
- Water inlet valves can be found at the back of the machine and you will need to detach the hoses connected to them first.
- Simply twist or loosen the clamps to disconnect the hoses from the valves.
- Remove the valves and check if there is a build-up of gunk. If yes, you can soak it in vinegar for a few minutes before scrubbing.
- Use a brush or old toothbrush to scrub away any dirt or grime on the valve and its connecting points.
- Finally, rinse everything off with clean water and reattach the valves and hoses.
- Turn on the water supply and plug the machine back in, to run a short cycle to make sure everything is working properly.
After inspecting or fixing the water supply faults if your washer still displays the H2O supply error code then it is something to do with the sensing system.
Either the pressure switch or sensor is not functioning due to a fault.
It can also be possible that there’s a communication interruption between the sensor and the control board due to wiring faults.
So, if you have some know-how on electronic appliances, you can test the pressure sensor switch to make sure it’s working fine.
It is usually located beneath withe top panel and near the control board.
It’s best to refer to the user manual of your washer model to locate the pressure sensor.
Once you have located the pressure switch you can remove and test it using a multimeter to ensure if it was at fault.
However, if you are not sure how to go about testing it you can simply call a professional to come and help you out.
How to reset the GE washer?
Step 1: Turn off the washer
The very first step is to ensure that the power to your washer is cut off.
This can be done by switching off the circuit breaker or unplugging the washer from the power socket.
Step 2: Wait for two minutes
Unplug the washer and wait for about two minutes before plugging it back in.
Step 3: Select random settings
If your model has a manual control panel, turn the knob to any setting.
Doing this will reset the washer.
Step 4: Turn on the washer
The last step is to plug the washer back into the power socket and turn it on.
After completing Step 4, your GE washer should be reset and ready to go.
For water supply errors, you should first make sure the water faucet to the washer is completely turned on.
Moreover, inspect the supply lines that are actually supplying water to the machine.
If your washer drains automatically with the H2O supply error code on the display panel of your GE washer, it is simply to prevent overfilling.
This usually happens due to an error in the pressure-sensing system of the machine.
In most cases, the H2O error code is related to the water supply and can be resolved by checking and fixing the water supply lines that connect to the washer.
However, in more severe cases this error code may need professional intervention as the issue could be more technical such as a problematic control board, faulty pressure switch, problems with the drainage system, etc.
So, if you are not able to figure out the actual cause of the error on your GE washer, simply contact the manufacturer’s helpline number for help.
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