The short answer
1-1 is a control-function code: the service documentation records it as Pilot Stuck On, and the brand’s code list names the control module as the potential cause. Note the code and reset the dishwasher at the breaker; if it returns, the control is a technician diagnosis.
Whirlpool dishwasher code as the manufacturer publishes it
Reference| Code | Meaning |
|---|---|
| 1-1 | Control function: Pilot Stuck On |
What you observe alongside the code
- The code is reported by the control — 1-1 is a control-function code, so it comes from the electronics rather than from the load.
What triggers it, most likely first
- The control module — Named by the brand’s code list as the potential cause of 1-1.
Check in this order, and why
- Note the code before clearing anything — Once cleared, the control may not show it again until the fault repeats.
- Cut the power at the breaker, then run a cycle — A reset clears a latched control state; a code that returns is a control fault.
Clearing the code, then the owner-safe checks
- Switch the dishwasher off at the breaker, then back on — That clears a latched control state at no cost.
About 5 min
- Run a short cycle and watch for the code — If 1-1 returns, the control is reporting a real fault.
About 10 min
- STOP HERE if the code returns — The control module is technician work.
Before you open anything
Unplug the dishwasher or switch off its breaker before removing the toe panel or the inner door panel. A capacitor can hold a charge after the power is off, and the supply is not switched at the door. Bail any standing water out of the tub before working underneath, and go into the sump with gloves and a light — broken glass collects there. The heating element in the tub floor stays hot after a cycle, so keep hands clear of it when unloading.
When this code is a service call
Call when 1-1 returns after a reset. It is a control-function code, and the brand’s code list names the control module as the potential cause, so the diagnosis is a technician’s. Have the model number ready.
Which model lines this reading applies to
This reading of 1-1 applies to Whirlpool-built built-in dishwashers of the generation whose service documentation publishes this code, which is where the manufacturer documents it. A machine with a mechanical timer and no diagnostic display does not produce it, and the same characters can be published against a different fault on a KitchenAid or Maytag-badged unit from the same platform.
