During today’s visit, found conflicting information. The downstairs unit is a 3 ton system, not a 2 ton system. The upstairs system is the 2 ton system. In the customers notes, the customer stated the downstairs system was having a problem and not blowing cooler. The control board was ordered for the upstairs 2 ton system. However, when I performed a functionality check on both systems, they both operate in cool mode normally at this time. I do not believe the repair should be made at this time due to the fact that both systems are functioning normally at this time. I am sending an email to service, which will state for us to hang onto the defrost board, and should the customer experience any future issues with either system, to give us a call immediately and have us come out to revisit. There will be no charge for today’s visit.