Tech had to wait for the carpenter to finish cutting an access to the heat strip compartments. Found a failed thermal cut off link not allowing the system to operate the 2nd set of heat strips. Tech replaced the fuse and heat strips started operating properly. 2nd bard unit was tested, heat strips are operating properly with proper amp draw. Tech uploaded a picture of supply temperatures from the left and right bard units. Systems are back heating. Customer would like to get a CMA quote for 2 bard units.