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How do I reset a Siemens MS-151 fire alarm station after an alarm?

1Answers
MacMariana
12/17/2025, 02:01:46 PM

To reset your Siemens MS-151 Manual Fire Alarm Station following an alarm activation, follow these steps: First, verify the toggle switch is in the NORMAL position. Next, insert the Allen key and turn it counterclockwise a quarter turn. The station should reset automatically. Avoid holding the cover while turning the Allen key. If cover removal is necessary, turn the Allen key counterclockwise a quarter turn while gently pushing the cover upwards, then pull the cover away from the backplate. These steps will effectively reset the fire alarm station.

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