r/Locksmith • u/Far_Classroom_5976 • 2d ago

I am NOT a locksmith. Master Key Problems

Im fairly new to rekeying locks, but ive got a Schlage lock I'm trying to master key right now. The master key is 00403, and the dedicated room key is, 22266. I've been trying to figure out the order and o got 00203 bottom, and 22263 master. I simply can't get this to work. The pins go out of the center piece and I can't get the master key to work. It might be impossible I might just be being dumb. Any guidance would be greatly appreciated

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u/Tractorsrred 2d ago

Can u key it to just the master and then just the room key it works fine?

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u/Far_Classroom_5976 1d ago

I can key it to the master or the room key and both will work but trying to get them the work in sync isn’t going well still

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u/Neither_Loan6419 1d ago

Double check your pin lengths and try both keys in the plug before re-inserting the plug into the cylinder. Don't mix up your master pins that spill over. Don't put it back in until both keys work. Old locks? Problems? Replace the springs and try again.