How do I fix Whirlpool Washer Drain Pump Replacement - Signs & How-To?

Follow the step-by-step diagnosis below. The most likely fix is identified by checking power, sensor resistance, and control-board signals in order — using a multimeter and the part numbers documented in the parts reference table.

Can I keep running the equipment with this fault active?

Generally no. Faults on Appliance units are emitted when a sensor, safety, or control circuit is outside its operating envelope. Running through an active fault risks compressor, heater, or control-board damage. Diagnose and clear the fault first.

What part is most commonly replaced for Whirlpool Washer Drain Pump Replacement - Signs & How-To?

The most frequently replaced parts for Whirlpool Washer Drain Pump Replacement - Signs & How-To are listed in the Parts Reference section of this guide with OEM part numbers and typical price ranges. Check the table for direct replacements.

Is Whirlpool Washer Drain Pump Replacement - Signs & How-To a DIY repair or do I need a technician?

Sensor swaps, fan motor replacements, and condenser cleaning are typical DIY-level repairs. Anything involving refrigerant, gas, or high-voltage (>240V) work requires a licensed technician for both safety and code-compliance reasons.

Whirlpool Washer Drain Pump Replacement - Signs & How-To

Q: What does Whirlpool Washer Drain Pump Replacement - Signs & How-To mean?

F9 E1 / drn error, standing water after cycle, loud grinding during drain, and clothes still soaked mean a failed drain pump. Replacing it restores drainage.

Whirlpool Washer Drain Pump Replacement — What This Part Does

The drain pump removes water from the tub during the drain and spin cycles. It pushes wastewater through the drain hose and out to your standpipe or laundry sink. On Whirlpool washers the pump runs on 120 VAC controlled by the main board (ACU) and should measure 18.5 to 21.5 ohms across its terminals.

Pumps fail from debris blocking the impeller (coins, lint, small socks), from bearing wear after years of use, or from open windings in the motor coil. When the pump can’t move water fast enough the control throws an F9 E1 or drn code for long drain. An infinite ohm reading at the pump connector means the motor winding is open and the pump assembly must be replaced.

Jump to Replacement Steps

Signs It Needs Replacing

F9 E1 or drn error code on the display The control has detected a long-drain condition and stops the cycle.
Standing water in the tub after the cycle ends Water remains because the pump cannot move it out within the programmed drain time.
Loud grinding, humming, or rattling noise during drain Debris caught in the impeller or failing pump bearings create abnormal sounds while the pump tries to run.
Clothes come out dripping wet Incomplete drainage leaves excess water on fabrics even after the spin cycle attempts to finish.
Washer starts drain cycle but nothing happens You hear the pump energize or click but no water flows through the drain hose.
Pump tests open (infinite ohms) at the control board connector A multimeter reading across J11.1 and J11.2 shows no continuity, confirming a failed pump motor winding.

How to Replace It

Unplug the washer from the wall outlet and shut off both hot and cold water supply valves.
Pull the washer forward so you can access the rear panel or tip it back safely on a padded surface to reach the bottom pump area (consult your service manual for access route on your model).
Remove the lower front access panel or rear panel screws and set the panel aside.
Place towels under the pump area and have a shallow pan ready, then disconnect the inlet and outlet hoses from the pump by loosening the spring clamps or screw clamps.
Unplug the two-wire pump electrical connector from the harness.
Remove the mounting screws or release the retaining tabs that secure the pump assembly to the sump housing and lift the old pump out.
Position the new drain pump assembly onto the sump, aligning the ports with the hoses, and fasten it with the original screws or clips.
Reconnect the inlet and outlet hoses and tighten the clamps, then plug the electrical connector onto the new pump terminals.
Reinstall the access panel, restore water supply and power, and run a drain or quick diagnostic test cycle to confirm the pump removes water within normal time and no error codes appear.

The Part You Need

Part	Notes
Whirlpool washer drain pump assembly	Amazon \| Check the model and serial number plate inside the washer door or on the rear panel, then cross-reference that model number with Whirlpool parts diagrams or your appliance parts supplier to identify the correct pump part number for your machine.

If this part is failing you may also see one of these codes:

When to Call a Pro

If you have confirmed the drain hose is not kinked or inserted too far into the standpipe, cleared any obstructions from the pump filter area, verified the new pump reads 18.5 to 21.5 ohms, and the washer still throws F9 E1 or will not drain, the fault likely lies in the wiring harness or the main control board (ACU). Diagnosing board-level failures and replacing the ACU requires service mode testing and calibration steps best handled by a qualified appliance technician.