Exam Questions And Correct Answers

FDNY S89 Certification of Corrected Fire Alarm System Defects (Citywide) Practice Exam Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• A fire alarm system is required to be restored within how many hours

after a defect is corrected?

• 12 hours
• 24 hours
• 48 hours
• 72 hours

Rationale: Fire alarm defects must be corrected and restored

promptly, typically within 48 hours to ensure continuous safety coverage.

• Which of the following is a common cause of a trouble signal in a fire

alarm system? 1 / 4

• Alarm activation
• Open or short circuit in wiring
• Smoke detection
• Power surge

Rationale: Open or short circuits in the wiring often cause trouble

signals, indicating the system is not fully operational.

• When correcting a fire alarm system defect, which document must be

updated?

• Daily log
• FDNY S89 Correction Report
• Building permit
• Fire department inspection notice

Rationale: The S89 Correction Report documents the corrected defect

to maintain compliance with FDNY regulations.

• In a sprinkler system-connected fire alarm, a defective water flow

switch will:

• Trigger a test signal
• Cause a supervisory signal until repaired
• Silence all alarms
• Reset the alarm panel automatically

Rationale: Supervisory signals indicate a problem with components

like water flow switches in sprinkler systems, alerting maintenance personnel. 2 / 4

5. A smoke detector that frequently triggers false alarms may indicate:

• Fire presence
• Improper placement or contamination
• Normal operation
• Low battery

Rationale: Dust, debris, or incorrect placement can cause nuisance

alarms and must be corrected for proper function.

• Which type of fire alarm system requires a licensed FDNY professional

to perform corrections?

• Residential battery-operated
• Portable smoke detectors
• Citywide fire alarm systems
• Personal alert devices

Rationale: Citywide fire alarm systems require certified technicians

for corrections due to complexity and regulatory compliance.

7. A "trouble signal" at a fire alarm control panel indicates:

• Active fire condition
• System test mode
• System defect or fault
• Battery fully charged

Rationale: Trouble signals indicate defects, malfunctions, or

abnormal conditions that need correction. 3 / 4

• After correcting a fire alarm defect, which action is required?
• Wait for FDNY to inspect
• Notify building tenants only
• Submit correction documentation to FDNY
• Test the system once per year

Rationale: Documentation confirms the defect has been corrected

and ensures compliance.

• Which component is typically checked first when a fire alarm system

reports a trouble signal?

• Fire alarm panel display
• Sprinkler heads
• Wiring and connections
• Alarm bell volume

Rationale: Wiring issues are a frequent cause of trouble signals and

should be inspected first.

• What is the primary purpose of the FDNY S89 Certification?
• Ensure firefighters are trained
• Inspect hydrants
• Certify corrected fire alarm system defects
• Approve new building permits

Rationale: The S89 Certification verifies that previously reported

defects in fire alarm systems have been corrected.

• / 4