Errata — Chapter Approved: Codex: Daemonhunters Q&A (v1.0): Only one major psychic power may be used per model per game turn, not per player turn — a model with a force weapon cannot invoke its power in its own Assault phase and again in the enemy's Assault phase of the same game turn.
Ordo Malleus Psychic Powers
Source: Codex: Daemon Hunters, p. 12; Chapter Approved – Codex: Daemonhunters Q&A (v1.0), p. 3