Simpson Dishwasher Error i50
⚡ Quick Answer: The i50 error code on your Simpson dishwasher indicates a drainage issue, often accompanied by a humming sound and water pooling at the bottom. This e... ✅ DIY Fixable
What Does Error i50 Mean?
The i50 error code on your Simpson dishwasher indicates a drainage issue, often accompanied by a humming sound and water pooling at the bottom. This error typically points to a malfunction of the wash motor or pump, leading to a halt in the washing cycle, lack of water circulation, and failure of the pump or motor to operate. If you encounter this error, it is essential to check and clean the filter and sump to remove any debris that may be obstructing the pump's operation.
Common Symptoms:
- Dishwasher stops mid‑cycle
- No water circulation
- Pump/motor fails to run
- Error code displayed on panel
Possible Causes
- Drain Pump
- Blocked Drain Hose
- Faulty Control Board
How to Fix Error i50
DIY Fix Basic checks and reset
- Turn off the dishwasher and disconnect power at the mains or circuit breaker.
- Wait ~30–60 seconds and reconnect power to attempt a reset.
- Check and clean the filter and sump to remove debris that may hinder pump operation.
- Ensure no hoses are kinked or obstructed.
Technician Only Inspect wash motor/pump and control components
- Verify whether the circulation pump motor runs when a cycle starts.
- Inspect wiring harness and connectors to the pump for damage, corrosion, or loose connections.
- Test motor windings for open or shorted circuits with a multimeter.
- Inspect the main control board’s motor drive circuitry (triac/transistor) for faults.
Parts needed: Circulation pump/motor, Wiring harness/connectors, Control board motor drive components
- If the error persists after reset and basic cleaning.
- If you cannot safely access or test internal electrical components.
- If there are signs of water leakage or electrical malfunction.
Next step
Choose the next step for i50
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
Dishwasher Circulation Pump
Circulates pressurized water through the dishwasher spray arms during the wash cycle.
- Typical part-only price
- $90 - $220
- DIY difficulty
- Hard
- Estimated time
- 60-120 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 components that may be involved
Check these only if your diagnosis points to them.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
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.
Technical Specifications
| wattage | 50W |
|---|---|
| component | Drain Pump |
| resistance | 10-30 ohms |
| part_number | SP123456 |
| voltage_rating | 240V AC |
Common Questions
What does i50 error mean on Simpson dishwasher?
The i50 error indicates a drainage issue, often linked to the wash motor or pump malfunction.
Can I fix Simpson dishwasher i50 error myself?
Yes, you can perform basic checks like resetting the dishwasher and cleaning the filter and sump.
How much does it cost to fix i50 error?
$150–$500+, depending on the parts required and service rates.
When should I call a technician for i50?
Call a technician if the error persists after reset, or if you notice water leakage or electrical issues.
Sources & References
Data last verified: 2026-04-23
User Comments (0)
Share your experience or solution below.
Please login to post a comment.
Be the first to comment!