MAYTAG DRYER MLG15PDAWW NOT WORKING

Guam
October 9, 2006 1:40am CST
We have this Commercial Stack Dryer it seems that something wrong with the computer board, when we insert the service key its appears to the screen 100 & 200 which is not suppose to should be 601 will appear first once you insert the service key.please help me!
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