REPLACING BATTERIES IN THE DETECH FST2000 SERIES DETECTORS
  • Use only 3V 123 batteries as listed on the compartment cover.
  • Remove the detector from the mounting base.
  • Slide the battery compartment cover away from the detector to unsnap it and lift it off.
  • Remove the batteries and dispose of properly.
  • Observing correct polarity, insert two new 3V lithium batteries into the battery compartment and replace the cover.
  • Reattach the detector to the mounting base
  • Test the detector. This should be done on a weekly basis.
  • The FST2000S/ST series smoke detectors are designed for easy field service and maintenance.
  • When installed and used properly, they require minimal maintenance.
  • When the detector requires maintenance, it extinguishes its LED and initiates internal signal