The 20-year-old striker started the first three games of the season up front for Town, netting one goal in the 5-1 romp over Bury.
However Flash is facing a losing battle with the Blundell Park boo-boys and probably needs a move away from Town to restore his confidence.
Mansaram is on a week-to-week deal with Town but because of his age any permanent move would result in Town picking up a compensation fee.
Meanwhile Russell Slade is confident of bringing in a loan striker ahead of Rochdale visit to Blundell Park on Saturday.