Former AFL coach Paul Roos has avoided suspension after running on to the field in a Sydney junior match.

Instead he has been given a severe reprimand by a code of conduct hearing in Sydney on Friday night.

Roos said he now has "a much more clearer understanding of the rules" and is "perfectly comfortable" with the result of the hearing.

The incident occurred during a match between East Bulldogs and Newtown Swans last Sunday.

Roos, who coaches the Bulldogs, had previously admitted to running on the field to aid one of his players who was injured in an off the ball incident.

He said he was simply concerned for the injured player, Darcy Cordell, the son of the Swans media manager.

"I'm not out there at an under-16 game trying to escalate a fight," Roos told reporters after the hearing, adding that more needed to be done to ensure player safety at junior games.

"I hope people fully understand I never abused anyone, I don't want to go out on the field ... my concern is for player safety.

"We need to do a better job as an industry to make sure coaches don't have to go out on the field."

The tribunal found no evidence that Roos abused opposition players or officials.

David Matthews from AFL NSW said, "The enjoyment and safety of the game for the players is our priority".

The AFL believes that codes of conduct are in place to underpin that priority and Friday night's outcome supports that, Mathews said.

He said in a release: "Coaches should not enter the playing field. Player safety needs to be supported by appropriate first aid officials and/or trainers."

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