When a washing machine gives head, homeowners often notice unusual noises, longer cycles, or error codes that point to a problem at the pump or drainage stage. Addressing this symptom promptly helps prevent water damage, extended downtime, and higher repair costs.
This guide breaks down what it means when a washing machine gives head, explains how the pump and drain system work, and provides clear steps to diagnose and resolve the issue safely.
| Symptom | Likely Cause | Immediate Check | Typical Resolution |
|---|---|---|---|
| Loud grinding during drain | Foreign object in pump impeller | Inspect and clean pump filter | Remove object and verify smooth rotation |
| No draining, standing water | Clogged drain hose or pump | Check hose for kinks and blockage | Clear obstruction and test pump operation |
| Error code related to drain | Pump motor failure or wiring issue | Review user manual for code definition | Test pump motor and inspect connections |
| Intermittent draining | Partial clog or weak pump motor | Run a short rinse cycle with lid open | Clean hoses and consider pump replacement if weak |
How Pump Mechanics Cause a Washing Machine to Give Head
The pump is the core component that moves water out of the tub so the machine can progress to rinse and spin. When a washing machine gives head, it often signals that the pump is struggling to overcome a restriction or that its mechanical parts are wearing.
Blockages from coins, buttons, or lint reduce flow, while worn bearings or a failing motor decrease pressure. Understanding this relationship helps users move from symptom to targeted troubleshooting.
Clearing Blockages in Hoses and Pumps
Most times a washing machine gives head because something is blocking the path of water leaving the tub. Simple, methodical clearing can restore normal function without professional service.
- Unplug the washer and turn off the water supply before servicing.
- Locate the drain pump filter, usually at the front bottom of the machine.
- Place a shallow pan beneath the filter, open it slowly, and catch residual water.
- Remove debris by hand and flush the hose with clean water to confirm flow.
- Check the drain hose route for sharp bends and ensure it empties into the standpipe correctly.
Electrical and Control Diagnostics
If mechanical clearing does not resolve the issue, the next focus is electrical components and the machine control board.
Testing the Drain Pump
Use a multimeter to check for continuity across the pump terminals. No continuity or a reading of infinite resistance typically indicates a failed pump motor that needs replacement.
Examining Wiring and Switches
Look for frayed wires, loose connectors at the pump and control board, and signs of burning. A thermal fuse that has opened due to overheating can also cause the pump to stop working mid-cycle.
Motor Performance and Wear Patterns
Over time, the drain pump motor can lose efficiency due to worn bearings or electrical degradation. When a washing machine gives head repeatedly, the motor may struggle to reach the required rpm for proper drainage.
Testing under load with measured current draw can reveal whether the motor is pulling too much power and heating up. Persistent slow drainage, even with clear hoses, strongly suggests that pump replacement is necessary.
Maintenance Routines to Prevent Future Issues
Regular upkeep reduces the likelihood of a blocked pump and the situations where a washing machine gives head. Small habits extend machine life and keep drainage predictable.
- Remove lint from the pump filter after every ten to twenty cycles.
- Run a hot empty cycle with a washer cleaner or white vinegar monthly.
- Keep the drain hose elevated at the proper height to avoid siphoning issues.
- Avoid overloading the drum to limit excessive suds and foreign objects entering the pump.
- Check the standpipe for debris and ensure it is securely fastened.
Troubleshooting Workflow for a Washing Machine That Gives Head
FAQ
Reader questions
Why does my washer only give head on certain cycles and not others?
Partial blockages or a pump losing power may only appear on heavy drain loads where the pump must work harder and run longer.
Can a clogged standpipe make the machine act like it gives head?
Yes, a blocked standpipe can create backpressure that mimics pump failure, so inspect the standpipe and the shared plumbing vent as well.
Is it safe to run the washer if it shows an error code related to head or drain?
Running the machine with a drain-related error code risks water overflow; pause use, clear the blockage, and confirm the error clears before resuming.
How long should a normal drain cycle last when the washer gives head symptoms?
Typical drain times are under one minute for front-load washers and up to two minutes for top-load models; significantly longer indicates restriction or pump issues.