Commendation bar holderThereof, how do you run a diagnostic on a Whirlpool Gold Series dishwasher? Here's the instructions to get into the diagnostics mode: Entry sequence: Press any 3 keys in the sequence 1-2-3, 1-2-3, 1-2-3 with no more than 1 second between key presses. NOTE: Some models have replaced the "Clean" LED with "Completed."Nopixel status hudMar 29, 2017 · How To Activate Diagnostic Mode On A Whirlpool Cabrio Washer. To enter / activate diagnostic mode on a Whirlpool Cabrio Washer follow the directions listed below. Make sure the washer is in standby mode which means the washer is plugged in and all the indicator lights are off on the display and only the clothes clean or done led should be on.