I have been given a code for serial number M004874 Model No: 600NE but when I enter this it comes up wait 30mins and wont let me do anything else do you know how to fix it.

bex2381, April 2010

bex2381
i get code 2228 for that.
wait< leave turned on for 30mins untouched until it resets itself. dont push any button all it will start the 30mins again.
how to enter below
press the first preset button for the 1st digit,
second button for the 2nd digit
third button for 3rd digit
forth button for 4th digit
then press buttons 5 to store. for 10 seconds

hay88, April 2010