E4Warning
Haier Washer E4 Error Code
Water is not filling properly, usually due to closed taps or low water pressure.
Common causes
- Water supply valves not fully open
- Clogged inlet hose screens
- Low household water pressure
How to fix it
- Ensure both hot and cold water taps are fully open.
- Disconnect hoses and clean the mesh screens inside the fittings.
- Check for kinked hoses.
⚠ When to call a pro: If water pressure is normal but error persists.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.