Dishwashers are a staple in modern kitchens, and Electrolux is a trusted brand known for quality and performance. If your Electrolux dishwasher isn’t cleaning dishes properly, or it’s making unusual noises, the issue might lie in the circulation pump. One way to diagnose potential issues with this component is by testing the current draw (amps) of the circulation pump.
This guide will walk you step by step through how to test the amp draw of an Electrolux dishwasher circulation pump, helping you determine if the motor is functioning properly or if it needs replacement.
What Is the Circulation Pump and Why Is It Important?
The circulation pump is responsible for moving water through the spray arms during the wash cycle. It ensures that water is pressurized and distributed evenly for effective cleaning.
A failing circulation pump may:
-
Make humming or grinding noises
-
Fail to spray water properly
-
Cause longer or incomplete wash cycles
-
Trigger error codes on the control panel
When Should You Test the Circulation Pump’s Amps?
Testing the amp draw is useful if:
-
The dishwasher is not cleaning effectively.
-
You suspect motor strain or burnout.
-
There are intermittent electrical issues.
-
You want to verify that a replacement pump is working within normal range.
Safety First: What You’ll Need
Before performing any tests, ensure safety is your top priority. Here’s what you’ll need:
Tools Required:
-
Clamp meter (AC amp meter)
-
Screwdriver (Phillips and flathead)
-
Torx screwdriver (T15 or T20, depending on the model)
-
Multimeter (optional, for voltage and continuity checks)
-
Flashlight
-
Electrical gloves (recommended)
Step-by-Step Guide to Testing Amps on the Circulation Pump
Step 1: Unplug and Disconnect
Unplug the dishwasher or turn off the circuit breaker to avoid electrical hazards while accessing internal components.
Step 2: Access the Circulation Pump
-
Pull the dishwasher out from the cabinet (you may need to disconnect water and drain lines).
-
Lay the unit on its back for easy access to the bottom panel.
-
Remove the bottom cover panel (use the Torx screwdriver).
-
Locate the circulation pump – it’s usually a round or oval motor near the center with hoses attached.
Step 3: Identify the Power Wires
Look for the two wires leading into the circulation pump motor. You’ll place the amp clamp around one of these wires to measure the current draw.
⚠️ Do not clamp around both wires at the same time, as this will cancel out the reading.
Step 4: Reconnect Power Temporarily
With the wires exposed and your clamp meter in place, plug the dishwasher back in or turn on the breaker. Ensure nothing is touching the exposed wires, and keep clear of moving parts.
Set the clamp meter to AC Amps (some meters have a 0–10A or 0–20A range, ideal for this purpose).
Step 5: Run a Wash Cycle
Start a wash cycle (preferably a normal or heavy wash mode). Wait until the dishwasher fills with water and the circulation pump kicks in. At this point, you should see a reading on your clamp meter.
Normal Amp Range for Circulation Pump
For most Electrolux dishwashers:
-
Normal operating amps: 1.5 to 3.0 Amps
-
Amp spikes above 3.5A may indicate mechanical resistance, blockage, or a failing motor.
-
Low amps (under 1.0A) might mean the motor is weak or the pump is not engaging fully.
Step 6: Analyze the Results
| Reading | Interpretation |
|---|---|
| 1.5–3.0 A | Normal operation |
| 3.5 A or higher | Motor under strain, possible blockage or bearing failure |
| Below 1.0 A | Weak motor or not functioning correctly |
| 0 A | No power or motor not running – check wiring or control board |
Step 7: Shut Everything Down
Once you’ve taken your readings:
-
Turn off the dishwasher and unplug it.
-
Remove the clamp meter.
-
Reassemble the dishwasher: screw in the bottom panel, reconnect hoses and power.
-
Slide the dishwasher back into place.
Common Issues If Amps Are Too High or Low
High Amp Draw
-
Jammed impeller
-
Blocked spray arms or filter
-
Motor bearings worn out
-
Electrical short within the pump
Low Amp Draw
-
Voltage supply issue
-
Weak or damaged motor windings
-
Control board failing to fully energize the pump
What to Do If the Circulation Pump Is Faulty?
If your tests indicate the pump is faulty:
-
Replace the circulation pump (OEM or high-quality aftermarket part).
-
Double-check for any clogs or debris before replacing.
-
Always check your dishwasher’s model number to order the correct part.
Final Tips
-
Run the test with the dishwasher full of water — the motor draws more current under load.
-
Use a clamp meter with True RMS for the most accurate results.
-
If unsure, consult a qualified appliance technician.
Conclusion
Testing the amp draw on your Electrolux dishwasher’s circulation pump is a smart diagnostic move when your appliance isn’t performing well. With the right tools and this guide, you can quickly determine whether the pump is in good shape or ready for replacement. Proper electrical diagnosis saves time, money, and ensures your dishwasher gets back to peak performance.
