Whirlpool Dishwasher Error HO
⚡ Quick Answer: The Whirlpool Dishwasher error HO may indicate a potential issue with the heating element or a display error. This could affect the dishwasher's abili... ✅ DIY Fixable
What Does Error HO Mean?
The Whirlpool Dishwasher error HO may indicate a potential issue with the heating element or a display error. This could affect the dishwasher's ability to heat water effectively, leading to subpar cleaning results. If you encounter this code, first verify your model number and check the owner's manual for any specific error code lists. Additionally, consider that some models may use 'H:01' for delay start indicators. If the issue persists after power cycling the unit, further investigation or professional assistance may be needed.
Possible Causes
- Heating Element
- Thermal Fuse
- Control Board
How to Fix Error HO
DIY Fix Check if the code is actually a Whirlpool model display issue or a different indicator
- Verify your *exact* model number and check the owner manual’s error code list.
- If your dishwasher has a numeric display (e.g., H:01), try cycling through delay start options to see if the control shows a countdown (some models use H:xx for delay start).
- Try powering the dishwasher fully off and on.
- If the error persists after power cycling and you cannot find any matching code in your Whirlpool manual.
Next step
Choose the next step for HO
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
Heating Element
Heats the water or air inside the appliance to the required temperature.
- Typical part-only price
- $40 - $95
- DIY difficulty
- Medium
- Estimated time
- 30-45 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.
Thermal Fuse
A safety device that cuts off power to the appliance if it starts to overheat.
Model-compatible Dishwasher 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.
Dishwasher Cleaner and Descaler
Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | 1500W |
|---|---|
| component | Heating Element |
| resistance | 10-30 ohms |
| part_number | W10518394 |
| voltage_rating | 120V AC |
Common Questions
What does HO error mean on Whirlpool Dishwasher?
The HO error may indicate a problem with the heating element or a display issue affecting water heating.
Can I fix Whirlpool Dishwasher HO error myself?
Yes, try verifying your model number, checking the manual, and power cycling the dishwasher.
How much does it cost to fix HO error?
Repair costs vary by model and region; it's best to consult a technician for a quote.
When should I call a technician for HO?
Call a technician if the error persists after troubleshooting and you cannot find a matching code in your manual.
Sources & References
Data last verified: 2026-07-22
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