GE Appliances Dishwasher Error Code HO
Water not hot enough — incoming water temperature too low
The dishwasher detected that the incoming water temperature is below the minimum needed for effective washing.
What Does Error Code HO Mean on a GE Appliances Dishwasher?
Water not hot enough — incoming water temperature too low.
The dishwasher detected that the incoming water temperature is below the minimum needed for effective washing.
What Causes Error Code HO?
Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:
- 1 Home water heater temperature set too low (below 120°F/49°C) 50% of cases
- 2 Hot water run too long before cycle — hot water depleted 30% of cases
- 3 NTC temperature sensor failure 20% of cases
How to Fix GE Appliances Dishwasher Error Code HO
- 1
Run hot water at nearby sink
Run the kitchen hot water faucet for 30–60 seconds before starting the dishwasher. This clears the cold water in the supply line.
- 2
Check water heater temperature
Set to at least 120°F (49°C).
- 3
Test NTC sensor
If water is hot at tap but HO persists, test the sensor.
🔩 GE NTC sensor ($15–$40)
How to Reset Error Code HO
Run hot water at sink first, then restart cycle.
Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.
When to Call a Professional
If water heater is hot and sensor replaced but HO persists, the inlet valve hot side is not opening.
Related Error Codes
Find Replacement Parts
Use these links to find the exact replacement parts for your GE Appliances Dishwasher:
External links — ApplianceErrors.com is not affiliated with these retailers.