MONTHS AGO I PURCHASED THIS UNIT. WITHIN 4 WEEKS THE OVEN QUIT HEATING. TOOK A WEEK TO GET IT REPAIRED. 4 WEEKS LATER OVEN QUIT AGAIN. ANOTHER TWO WEEKS FOR REPAIRS. BOTH TIMES THE MAIN CIRUIT BOARD REPLACED.  2ND REPAIR LASTED 6 WEEKS AND OUT AGAIN! GAVE UP AND BOUGHT ANOTHER BRAND