Whirlpool · Dishwasher
1-2 Control lock enabled (blink pattern)
What this code means
Not actually a fault — the child/control lock feature is active, blocking all button presses. Shown as a "1-2" blinking light sequence on models without a text display.
Most likely causes
- Control lock accidentally engaged
- Lock button held during a previous cycle
What to try first
Hold the control lock button (often labeled with a padlock icon) for 3 seconds to disengage it.
Good news: this one is often fixable without a service call. If it persists after the steps above, have it looked at.
FAQ
What does Whirlpool error code 1-2 mean?
Control lock enabled (blink pattern). Not actually a fault — the child/control lock feature is active, blocking all button presses. Shown as a "1-2" blinking light sequence on models without a text display.
Can I fix Whirlpool code 1-2 myself?
Often, yes. Hold the control lock button (often labeled with a padlock icon) for 3 seconds to disengage it.
What causes Whirlpool code 1-2?
The most common causes are: control lock accidentally engaged; lock button held during a previous cycle.
Other Whirlpool dishwasher codes
All Whirlpool dishwasher error codes →
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This information may contain errors or not apply to your exact model — always double-check it against your appliance's own manual before acting. If there's any chance of a gas, fire, electrical, carbon monoxide, or other safety hazard, stop and call a licensed professional or the appropriate agency (e.g. your gas utility) instead of relying on this page alone.