Check to see if the price for the slot machines were raised if the prices are still the same from before 'A New Direction' close and re-open your game to get the new rewards. (Bug) Once 'A New Direction' is completed in Borderlands: The Pre-Sequel, the slot machines may not give the unlocked winnings until the game is restarted.Flamerock Refuge (x2) Inside the tavern.Badass Crater Bar (x2) upstairs (there are also 2x Torgue Slot Machines nearby).The Dust in a gas station at the Old Dahlwell Oasis.Sanctuary (x2) in Moxxi's - Complete 'Jackpot!' challenge if hitting three Vault symbols or three Triple Eridium bars on either of these machines.In Borderlands: The Pre-Sequel, it is not possible to win a rocket launcher, anything with a cryo or corrosive element, or any moonstones until the completion of A New Direction, it may also be impossible to win the jackpot.

Assuming that this value is randomly assigned, probabilities of winning can be obtained, although some winnings are locked until a certain point in the story. With each slot pull, a value ranging from 0 to 32,767 (2 15 - 1) is assigned. Live grenades and eleven of the twelve eridium bars from a triple eridium reward will drop to the floor. All non-pistol weapons from the side drawer. Skins, pistols, eridium, live grenades, and cash will be dispensed from the front drawer. 3 triple Eridium bars: 12 individual Eridium bars.3 double Eridium bars: Two stacks of 4 Eridium bars (8 total).On rare occasions a jackpot will trigger that spews out around a dozen stacks of single eridium bars. 3 Eridium bars: Stack of 4 Eridium bars.The damage dealt by the grenade is scaled to the level of loot in the machine. This is a completely normal grenade and will damage any player character in the blast radius, not just the Vault Hunter who actually used the slot machine. 3 Psycho masks: The slot machine will drop a live grenade from the reward box, similar to the ones that Suicide Psychos use, and say 'Boom time!'.3 Marcus: Purple weapon, or very rarely other colors (including white).Or, rarely, purple weapon and sometimes the chance for character or vehicle skins. Any 2 matching with psycho mask at the end: White weapon.3 sevens: Character skin from a manufacturer e.g.Two bells with any non-psycho mask at the end: One to Three piles of Cash.Any 2 matching with bell at the end: One to Three piles of Cash.First and second symbols different (regardless of 3rd): No reward.

(For 'Pre-Sequel', subtitute 'Moonstones' for 'Eridium Bars'.)

Borderlands 2 and the Pre-Sequel Known combinations and rewards

Borderlands 2 fix slot machine and dice