Frigidaire Dishwasher Error HO
⚡ Quick Answer: The Frigidaire dishwasher HO error indicates a heat delay or water temperature issue, preventing the unit from reaching the required water temperature... ✅ DIY Fixable
What Does Error HO Mean?
The Frigidaire dishwasher HO error indicates a heat delay or water temperature issue, preventing the unit from reaching the required water temperature for optimal cleaning. This can lead to poor cleaning performance as the appliance struggles to heat the water adequately. Ensuring a proper hot water supply is crucial to resolving this problem.
Common Symptoms:
- Dishwasher displays HO when beginning a cycle and pauses before heating
- Dishwasher may run but not reach adequate water temperature for proper cleaning
Possible Causes
- Water temperature too low at start of cycle (high)
How to Fix Error HO
DIY Fix Ensure Hot Water Supply
- Run hot water at adjacent faucet until it reaches its peak temperature before starting dishwasher
- Verify household water heater is set to recommended dishwasher temperature
DIY Fix Restart Dishwasher After Cold Start
- Cancel current cycle
- Wait a few minutes
- Start new cycle after ensuring hot water has reached dishwasher
- Observe if HO code clears
Technician Only Inspect Heating Element and Temperature Sensor
- Disconnect power to dishwasher
- Access lower interior tub to inspect heating element
- Check for visible damage or breaks
- Use multimeter to test continuity of heating element and thermistor
- Replace defective parts if necessary
Parts needed: heating element, temperature sensor/thermistor
- If HO persists after ensuring proper hot water supply
- If multimeter tests show heating element or sensor faults
- If error occurs frequently despite consistent hot water availability
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.
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
Thermistor
Measures precise temperature changes and sends resistance feedback to the control board.
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.
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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 | 154845601 |
| voltage_rating | 120V AC |
Common Questions
What does HO error mean on frigidaire dishwasher?
The HO error signifies a heating issue, indicating the dishwasher is not reaching the necessary water temperature for cleaning.
Can I fix frigidaire dishwasher HO error myself?
Yes, you can ensure hot water supply and restart the dishwasher to resolve the HO error.
How much does it cost to fix HO error?
Repair costs for the HO error range from $50 to $200 for parts, with additional labor costs.
When should I call a technician for HO?
Call a technician if the HO error persists after checking water supply or if tests show heating element or sensor faults.
Sources & References
Data last verified: 2026-07-25
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