Archer also supported the decision to award Bryson Goodwin a try for South Sydney against Manly on Friday night.

The Dragons were denied two tries – either side of half-time – by the video referee in their four-point loss to the Eels.

The first was an obstruction call against St George Illawarra back-rower Tyson Frizell who ran a block play before colliding with Parramatta halfback Chris Sandow as the Dragons crossed for a would-be try in the corner.

Archer said it was the correct decision by video referee Shayne Hayne.

"The contact, distance it is from the try line and the impact it has on the defensive line [are important]," Archer said. "At that point [Frizell] almost has to avoid contact unless it's so insignificant it does not impede the defensive line. That was not the case."

The other was a denied try to centre Euan Aitken. Winger Dylan Farrell batted back a Benji Marshall kick for Aitken to claim the loose ball to score. On-field referee Ashley Klein ruled no try.

"The live decision was a no try and he asked to confirm a knock on," Archer said. "The two main angles that the video referee viewed – one was from across the in goal and one was from behind. The one from behind it looked like a try but the one from the in goal demonstrated that the ball travels forward across the ground."

The calls left St George Illawarra coach Paul McGregor unhappy and he vowed to take up his grievances through the appropriate channels.

Archer also confirmed referee Matt Cecchin did not ask for video referee Steven Clark to check for a forward pass in the lead-up to Goodwin's try. Archer said Cecchin had asked how the ball came out in the lead-up to Goodwin scoring, after the South Sydney centre dived on a bouncing pass from winger Aaron Gray as he stumbled toward the corner post. Cecchin ruled no try because of a knock-on, and the decision was reversed.

"He does not check a pass, nor is he allowed to check a pass," Archer said. "So the video referee checked the touchline and grounding. From the angles I have seen, I can't determine if it's a forward pass. The hands seem to go backwards as Gray's body continues to go forward. The ball definitely bounces forward, which it's allowed to do."