dryer element for dishes will not heat.
Here are your parts
Parts for Whirlpool DU811SWPQ4 Dishwasher - AppliancePartsPros.com
See the attachment for the tech sheet
Remove power from the unit and check the heater for any physical damage.
If OK, check it with a meter. Should be around 20 to 30 ohms.
Check the thermal fuse for the heater, should be 0 ohms.
DU811.pdf (214.8 KB)