Maintenance Sector

CONTROL Ultimate Edition guide · Travel to the Maintenance sector to fix the Power Plant

Jesse travels to the Maintenance Sector during the mission "Unknown Caller" to lift the Sector lockdown by repairing the NSC Power Plant. You must speak to the janitor Ahti, venture into the ventilation and coolant systems to solve clogs, and restore power to the cooling pumps. Once the coolant and energy converters are fixed, you return to the Power Plant control room to lift the lockdown.

Related quests: Unknown Caller

Achievements here

Insular TelekinesisComplete the side mission "A Good Defense" in the Maintenance Sector to bind the Home Safe Object of Power.

Volatile DebrisUnlock the Shield Burst upgrade in the ability tree and use it to kill 10 enemies.

Rush JobUnlock the Shield Rush ability in The Foundation and use it to kill 100 enemies.

Achievement guide and roadmap →

Items

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Janitor's Office break room: Evade Ability (Object of Power: Merry-Go-Round Horse)Acquired in the Astral Plane challenge accessed via the Janitor's Office break room areaShield Ability (Object of Power: Home Safe): Found inside the Field Training course off the Access CorridorShatter Weapon Form (Service Weapon): Crafted at any Control Point once Central Maintenance is unlocked

Secrets

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Behind the NSC Coolant Pumps, a destructible wall marked with a painting can be broken with Launch to reveal a hidden area containing a loot chest.

Enemies

Hiss Guard

Weak to Headshots

Standard ranged grunt armed with pistols or assault rifles.

Hiss Ranger

Armored soldier who uses assault tactics and throws grenades.

Hiss Charged

Kamikaze enemies that fly or sprint toward Jesse and explode on impact.

Shops and people

Control Point (Astral Constructs): Crafts Service Weapon forms, weapon mods, and personal mods using Source and gathered materials.
Ahti: Provides janitorial side missions from the task board in his office that reward crafting materials and mods.

Tips

Shoot or throw Launch objects at Hiss Charged before they get close, as their explosions deal massive damage and trigger chain reactions.
Use the Launch ability to clear the glowing yellow matter clogs blocking the Coolant Pumps and NSC Converters instead of wasting ammunition.

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