Whirlpool Microwave Error Code Flashing colon ":"

A flashing colon on a Whirlpool microwave is a power failure indication. It means the unit lost power at some point and the clock has been cleared. The microwave is functioning normally and is simply alerting you to reset the time. Press any key to stop the flashing and return the display to steady standby mode.

No, a flashing colon is not a safety concern. It is only a notification that the clock lost power and needs to be reset. All cooking and safety functions of the microwave remain fully operational. You can continue using the microwave normally after pressing any key to clear the indication.

There is no cost involved in resolving a flashing colon indication, as it is not caused by a component failure. It requires only pressing a key on the control panel to clear it, followed by resetting the clock. If the flashing colon appears repeatedly and frequently, investigating the wall outlet or household circuit for power instability may be worthwhile, but no parts or service calls are needed for the indication itself.

Press any key on the control panel to clear the flashing colon indication. The display will then show a steady colon, indicating the microwave is in standby mode. From there, you can use the clock set function to re-enter the correct time. No repair or part replacement is needed.

Yes, pressing any key on the control panel will immediately end the flashing colon and return the display to a steady standby state. You do not need to unplug the unit or perform a hard reset. Simply pressing a single button is the complete resolution for this indication.