EC0

Haier Dishwasher Error Code EC0 — Wash Motor Fault

Major Repair 30–60 minutes Tools: Phillips screwdriver, Torx driver set, Multimeter, Towels

What this means

Error code EC0 on Haier dishwashers indicates the wash pump motor (circulation pump) has malfunctioned. This motor drives water through the spray arms during the wash and rinse cycles. If it fails, dishes will not be cleaned. Causes include a seized motor, a failed motor winding, a jammed impeller (blocked by glass or food debris), or a tripped motor thermal overload. The dishwasher may fill with water but never start spraying.

Alternate codes: ECO

Step-by-step fix

3 steps
1

Clear the sump of debris

Open the dishwasher, remove the lower rack, and pull out the drain filter assembly. Check the sump area for glass shards, bones, fruit pits, or other hard debris that could jam the wash pump impeller.

Small glass fragments are the most common cause of jammed wash pump impellers in dishwashers.

2

Listen for the wash pump

Start a wash cycle and listen for the motor. A humming sound without water spraying indicates a jammed impeller. Complete silence means the motor may have failed or is not receiving power.

If the motor hums loudly, turn off the dishwasher quickly — running a jammed pump for too long burns out the motor.

3

Test the wash pump motor

Unplug the dishwasher. Access the wash pump from underneath (tip the unit on its back or side). Disconnect the motor wires and test with a multimeter. A good motor typically reads 5–30 ohms. OL means the winding is open.

Check for debris in the impeller housing — you may need to remove the pump to fully inspect the impeller.

When to call a professional

Wash pump replacement requires removing the dishwasher and working underneath it. The pump may be integrated with the motor/sump assembly. A professional can handle the replacement more efficiently.

Related error codes

Information compiled from manufacturer service manuals, official troubleshooting documentation, and appliance repair industry resources. This guide is for informational purposes only — always consult a qualified technician for complex repairs.

Learn more about our sources

Parts you may need

Wash Pump Motor

Part #WD-5470-20 · $50–$120

If motor reads OL or is seized

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Quick Info

BrandHaier
ApplianceDishwasher
Error CodeEC0
DifficultyMajor Repair
Est. Time30–60 minutes