What 6-6 / F6E6 (Whirlpool-built HE) Means
6-6 and F6E6 on Whirlpool-built Kenmore HE dishwashers report incoming water below the temperature the cycle needs. The published reference point is roughly 115 to 120 degrees Fahrenheit measured at the kitchen tap.
Common Causes of 6-6 / F6E6 (Whirlpool-built HE)
- A water heater set lower than the dishwasher expects
- A long pipe run from heater to kitchen losing heat on the way
- The dishwasher plumbed to a cold supply rather than a hot one
🔧 One Safe Check You Can Try
Run the kitchen hot tap for a minute, fill a glass and measure it with a cooking thermometer; if it reads well below that range, the water heater setting is the place to look rather than the dishwasher.
⚠ Why You Shouldn't Go Further Than That
- Raising a water heater setting affects every tap in the house, including ones children use, so it is a decision rather than a quick fix.
- Replacing dishwasher parts will not warm water that arrives cold from the household supply.
- A machine plumbed to cold is an installation matter, and changing it means plumbing work rather than appliance repair.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.

