Whirlpool dishwasher code H2O: no water detected
You can usually fix this
Also shown as H20
What it means
The dishwasher can’t detect water coming in.
What to try
Unplug the dishwasher before any step beyond a quick look, and turn the water off before touching hoses.
- Make sure the water valve under the sink is turned on.
- Check the supply hose for kinks.
Call a technician if
- Water is on and the code returns.
Resetting a Whirlpool dishwasher
Whirlpool’s power cycle: disconnect the dishwasher for 30 seconds. Unplug it if it plugs in; if it’s hardwired, switch off its breaker at the electrical panel. Then restore power.
Still stuck?
Dishwasher won’t start: full Fix Finder6 checks for any brand, quickest first.
Sources
- Dishwasher Error Codes: Reading, Whirlpool Product Help