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DMZ CODEX · HAJIN EXCLUSION ZONE UPDATED 10 NOV 2026

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Codex / Items / Maintenance Room Updated 8 Nov 2026
Key

Maintenance Room

Rare key for the third-floor Maintenance Room beside fenced pipework in X01 Production Assembly.

Maintenance Room
Rarity
Rare
Grid
E5

Use this key

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What it opens

Unlocks the Maintenance Room in Production Assembly.

How to get it

Maintenance Room

At the Supply Depot Encoder, choose Maintenance Access with an Encodable Blank Keycard. The reported output is the Maintenance Room key.

No fixed pickup location is verified.

Item essentials

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Listed value
100

Room access

  • In Production Assembly, reach the third physical floor and look beside the fenced pipework for the named Maintenance Room door.
  • Search the red-lit room's military lockers and server blades. Loot varies.
  • The nearby resupply cache and yellow-box safe-room detour are separate from this locked room.
  • Key consumption and reuse remain unverified.

Related

X01 Black Site

Guides that cover this

GuideX01 Deep Vault: keys, Encoder choices and the core GuideSeason 1 DMZ keys and keyrooms: X01 cards, Encoders and doors

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