The Iron suffered a disappointing defeat as they lost 5-0 at Blackpool on Saturday.
The hosts were three up at the break with Tom Aldred and a Dan Potts brace putting them in control.David Norris and Danny Philliskirk added to that after half-time to seal the victory and bring Pool up to 19th and dropping the Iron to 16th.
Elsewhere in League One, Burton Albion continued their remarkable season by defeating promotion rivals Coventry 2-0 away from home.
Goals from Callum Butcher and Stuart Beavon sealed an impressive win and kept the Brewers at the top of the table.
Walsall moved into second after they managed to hold off a spirited Bury comeback to return to the Midlands with a 3-2 victory.
First half strikes from Tom Bradshaw, Anthony Forde and a Chris Hussey own goal put them in command, but Leon Clarke’s brace gave the hosts a glimmer of hope.
Unlike Walsall, Gillingham squandered a lead to drop out of the top two following a 2-2 draw at an inform Doncaster side.
Rory Donnelly’s brace looked to have put them on their way to a 16th league victory, but Cameron Stewart and Andy Williams struck to earn Doncaster a point.
Wigan continued their impressive run though, winning comfortably against a Chesterfield side that is now just four points above the relegation zone.
Goals in the first half from Max Power, Reece James and Michael Jacobs helped them on the way to a routine 3-1 win.
The final play-off spot is held by Peterborough, although League One’s top scorers had to settle for a 0-0 draw with Southend.
At the bottom, Crewe suffered late heartbreak to lose a thrilling encounter with Swindon 4-3, despite being 3-1 up.
Brad Imman scored twice for the strugglers, but Swindon’s Nicky Ajose also scored twice, including the stoppage time winner.
There was also final minute disappointment for Colchester, with Sheffield United scoring late on to win 2-1.
Tom Eastman had cancelled out Billy Sharp’s opener, only for Chris Basham to give the visitors the points and keep up their play-off charge.
John Sheridan lost his first game as Oldham manager, with Tony McMahon netting the only goal in a 1-0 win for Bradford.
The final relegation spot is occupied by Shrewsbury as they fell to a 3-0 defeat to Barnsley. Sam Winnall got a brace and Alfie Mawson grabbed the other.
Fleetwood are just above the bottom four, but their game at Rochdale was called off at the weekend due to a frozen pitch.
Meanwhile, Millwall maintained their play-off push with a 3-1 win against Port Vale in Sunday’s game, moving them a point outside.
Lee Gregory’s brace and Steve Morison’s goal had them in control, with JJ Hooper netting a secong half consolation.
Next up for the Iron is the visit of strugglers Colchester, providing an opportunity for United to return to winning ways.
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