Simpson Washing Machine Error E23
⚡ Quick Answer: The E23 error code on your Simpson Washing Machine signifies a drain pump triac fault, indicating a malfunction in the drain pump circuit of the main ... ✅ DIY Fixable
What Does Error E23 Mean?
The E23 error code on your Simpson Washing Machine signifies a drain pump triac fault, indicating a malfunction in the drain pump circuit of the main PCB. This issue often results in the washing machine failing to drain water and may produce unusual noises during operation. If this error occurs, the wash cycle may not complete due to the inability to activate the drain pump.
Common Symptoms:
- Error E23 displayed on machine panel
- Drain pump circuit failure / drain pump not operating
- Wash cycle may not complete due to inability to run drain pump
- Diagnostic mode entry reveals E23 code tied to drain pump triac fault
Possible Causes
- Main PCB drain pump TRIAC failure (high)
- Faulty or open drain pump (medium)
- Damaged wiring between main PCB and drain pump (medium)
How to Fix Error E23
DIY Fix Basic Inspection and Safety
- Turn off the washing machine and unplug it from power.
- Check for visible signs of water leakage or external damage.
- Ensure the drain hose is not kinked or obstructed.
Technician Only Drain Pump and PCB Diagnostic/Repair
- Measure the resistance of the drain pump windings to check for proper continuity.
- Inspect wiring harness from the main PCB to the drain pump for any physical damage or loose connectors.
- If the drain pump motor is faulty, replace the drain pump assembly.
- If the pump checks out but E23 persists, replace the main PCB or perform PCB triac repair if skilled.
Parts needed: Drain pump assembly, Main PCB board, Wiring harness/connectors
- If the error persists after verifying pump and wiring connections.
- If visible electronic board damage is observed.
- If you are not experienced with mains‑level electrical diagnostics.
Next step
Choose the next step for E23
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
- Typical part-only price
- $35 - $80
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Model-compatible Washing Machine parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Washing Machine Cleaner Tablets
Routine tub-cleaning supplies for residue and odor control. They do not repair a mechanical, drainage, or electronic fault.
Braided Washer Inlet Hoses
A maintenance replacement option for visibly worn external fill hoses. Verify thread size, length, and hot/cold connection requirements.
Washer Drain Hose Holder
Helps secure an external drain hose at the standpipe. It does not correct an internal pump or control fault.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
Common Questions
What does E23 error mean on Simpson Washing Machine?
E23 indicates a drain pump triac fault, causing failure to drain water during the wash cycle.
Can I fix Simpson Washing Machine E23 error myself?
Yes, you can inspect for visible damage, check the drain hose, and verify pump connections.
How much does it cost to fix E23 error?
Repair costs range from AUD $150 to $400+, depending on parts and labor.
When should I call a technician for E23?
Call a technician if the error persists after basic checks, or if there is visible damage to the PCB.
Sources & References
- Simpson SWT9043 Series Questions (community)
Data last verified: 2026-07-31
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