Whirlpool Washer Error Code 4

Error code 4 means the washer could not complete its fill cycle within 20 minutes. The control board sets this time limit to protect the machine, and if water intake is too slow or absent, the washer stops and displays this code. The most common causes include clogged inlet screens, low water pressure, or a faulty water inlet valve.

You should not continue running the washer while error code 4 is active, as the machine has already stopped the cycle to prevent problems. Running repeated cycles without resolving the underlying water supply issue will not harm the washer immediately, but it can strain components and will not result in a completed wash cycle. Resolve the fill issue before resuming normal use.

Resetting the washer by unplugging it or cycling the power may temporarily clear the error code from the display. However, if the underlying cause, such as a clogged screen, low pressure, or a faulty inlet valve, has not been corrected, the code will return as soon as the washer attempts to fill again. A reset alone is not a repair and should only be done after addressing the root cause.

Start by checking that both water supply valves behind the washer are fully open and that neither supply hose is kinked. Next, turn off the water supply, disconnect the hoses, and inspect the small mesh screens at the back of the washer for sediment or debris, cleaning them if necessary. If the screens are clear and supply pressure is adequate, the water inlet valve itself may need to be tested and replaced.

If the fix is simply cleaning the inlet screens or adjusting the supply valves, there is no parts cost involved. If the water inlet valve needs replacement, the part typically costs in the range of $25 to $75 depending on the model, plus labor if a technician performs the repair. A professional service call generally runs between $100 and $200 total for this type of repair.