Why is a C5 error code displaying on my GE dishwasher?

You’ve emptied the sink, loaded your GE dishwasher and started a cycle. Then, you see a C5 error code appear. What gives?

The C5 error message points to a drain time that’s too short, indicating that the dishwasher has been underfilled. This can happen for several reasons. Whether it’s caused by a low water supply, a malfunctioning water inlet valve, tub leaks, clogged pump inlets, or diverter valve leaks, AppliancePartsPros.com has you covered.

Stay with us for step-by-step instructions, insights, and tips to help you identify and resolve the underlying causes of the GE dishwasher error code C5. By carefully following our guide, you’ll not only save time and money but also gain a deeper understanding of your appliance’s functionality.

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Understanding the C5 error code

The GE dishwasher error code C5, which can stem from several issues with your dishwasher’s components, signals that the drain time is unusually short and that the dishwasher has been underfilled during the cycle. This error occur when the dishwasher’s sensors detect that the water level in the tub is insufficient for a proper cycle.

Potential causes of the error

The C5 message can be attributed to a variety of underlying issues. Keep in mind that each dishwasher’s design may vary, so closely observe your dishwasher’s components as you troubleshoot.

Potential causes of the C5 error:

• Insufficient water entering the dishwasher due to low water pressure or a partially closed water supply valve.
• A malfunctioning water inlet valve failing to properly regulate the water flow into the dishwasher.
• A leak in the dishwasher tub or door gasket, leading to water loss.
• A clog in the pump inlet restricting water flow, leading the dishwasher to underfill.
• A leaky diverter valve, which is responsible for directing water to different components, resulting in low water levels.

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Tools Needed

Make sure to have the following tools on hand before you begin the troubleshooting process for resolving the GE dishwasher error code C5:

• Screwdriver set (Phillips and Flathead): These screwdrivers are invaluable for removing panels, accessing components, and performing various other tasks.
• Multimeter (for testing electrical components): A multimeter allows you to measure electrical properties like voltage, resistance, and continuity that may contribute to the error code.
• Safety gloves and goggles: Safety should always be a priority. Wear safety gloves to protect your hands from sharp edges and potential hazards. Safety goggles will shield your eyes from any debris or particles that may be dislodged during the troubleshooting process.

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Precautions before starting

Take a few precautionary steps to keep yourself and everyone around you safe while ensuring your repair efforts go smoothly.

1. Unplug the dishwasher or turn off the circuit breaker: Before you begin any work on your dishwasher, check that it’s disconnected from its power source to prevent electrical accidents while you work on its components.
2. Make sure your work area is clean and dry: Keeping your work area dry helps you avoid any risk of electrical shock. Wipe down the surfaces and components before you begin to create a safe and clean environment.
3. Gather safety gear: Wear safety gloves and safety goggles to protect your hands and eyes from potential hazards while working. Dishwashers can have sharp edges and contain debris that may dislodge during the troubleshooting process.
4. Handle electrical components with care: If your troubleshooting involves electrical components, exercise caution and follow appropriate safety measures. Use your safety equipment and follow proper procedures when handling and testing electrical parts.
5. Refer to the dishwasher’s manual: Have your dishwasher’s manual on hand to understand its specific components, layout, and safety instructions. Refer to the manual as needed throughout the troubleshooting process.

Step-by-step troubleshooting

Carefully follow these instructions to identify the specific issue causing error code C5 and take appropriate actions to resolve it:

1. Make sure the water supply valve is fully open and allowing water to flow adequately into the dishwasher.
2. Set your multimeter to test continuity.
3. Access the water inlet valve, typically located near the dishwasher’s bottom front.
4. Carefully disconnect the wires from the valve’s terminals.
5. Test the water inlet valve for continuity to determine if it’s functioning properly.
6. Examine the dishwasher tub and door gasket for visible leaks. Check for signs of water pooling, dampness, or residue around the dishwasher’s interior.
7. Access the dishwasher pump, usually located at the bottom of the appliance, and carefully remove any debris or clogs that may be obstructing the pump’s inlet.
8. If your dishwasher has a diverter valve, locate it and access its components.
9. Using your multimeter, test the diverter valve for proper operation and continuity.

Fixing the identified issues

Once you’ve identified the cause of the C5 error message, it’s time to start the repair and/or replacement process.

Replacing a faulty water inlet valve

1. Refer to your dishwasher’s manual to locate the specific replacement water inlet valve needed.
2. Turn off the dishwasher’s water supply and unplug the appliance.
3. Carefully disconnect the water supply line and electrical connections from the faulty valve.
4. Remove the screws or fasteners securing the old valve in place.
5. Install the new water inlet valve and reattach all connections.
6. Restore the water supply and plug in the dishwasher.
7. Run a test cycle to ensure the error code is resolved.

Repairing tub leaks or replacing the gasket

1. Inspect the dishwasher tub and door gaskets closely for visible damage or leaks.
2. Check the inner and outer door panels for warping or cracking.
3. If the gasket is damaged, refer to your dishwasher’s manual for instructions on replacing it.
4. If the tub itself is leaking, assess the severity of the leak and decide whether a repair is possible or if any part replacement is needed. This may require replacement of the sump or motor depending on the design.

Clearing the pump inlet from debris or clogs

1. Access the dishwasher pump, which is typically located at the bottom.
2. Carefully remove any debris, food particles, or clogs that are obstructing the pump’s inlet.
3. Reassemble the pump and its components.
4. Run a test cycle to confirm that the dishwasher is now filling with water properly.

Replacing a faulty diverter valve

1. Locate the diverter valve in your dishwasher.
2. If the diverter valve is faulty, refer to your dishwasher’s manual to identify the correct replacement part.
3. Disconnect the necessary components. Carefully remove the old diverter valve and install the new one.
4. Reassemble all components and connections.
5. Run a test cycle to ensure that the error code is resolved.

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Final checks

Before you reactivate your GE dishwasher and bid farewell to the C5 error code, conduct a series of final checks to make sure that the issue has been successfully resolved.

1. Carefully inspect all the connections, components, and repairs you’ve made during the troubleshooting and repair process. Make sure all screws, fasteners, and wiring connections are securely in place.
2. Restore power to the dishwasher
3. Select a short test cycle on your dishwasher’s control panel.
4. Pay attention to the dishwasher’s behavior throughout the cycle, noting any unusual noises, vibrations, or error codes.
5. Observe the water filling process to check that the dishwasher is receiving an adequate water supply.
6. Watch the draining process to make sure that the water is draining without any issues.
7. Watch out for any water leaks, unusual noises, or performance abnormalities during the test cycle.
8. If you encounter any unexpected issues, turn off the dishwasher and revisit your repairs.

More information

You made it! Thanks for reading. We hope this guide helped you navigate the intricate process of troubleshooting and resolving error code C5 on your GE dishwasher.

If you have any other appliance repair needs or projects, don’t hesitate to explore our hundreds of videos and troubleshooting guides available. If you need replacement parts or some extra help, grab your model and serial numbers and head over to AppliancePartsPros.com, where you can chat with a pro, order parts, read our DIY blog and more.

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