FSD FSD Troubleshooting & Repair 2

Question 1

What is the recommended corrective procedure when a smoke damper actuator fails?

Accepted Answer

Replace the actuator with an identical UL-listed unit and retest operation

Answer

A failed actuator must be replaced with an identical UL-listed replacement unit and the damper fully retested to confirm proper operation before the repair is accepted.

Question 2

How should a technician address light surface corrosion found on fire damper blades that do not affect operation?

Accepted Answer

Document the corrosion, clean the affected area, and monitor at next inspection

Answer

Light corrosion that does not impair operation should be documented, cleaned, and flagged for monitoring at the next inspection cycle per NFPA 80 maintenance guidance.

Question 3

After replacing a fusible link on a fire damper, what is the correct next step?

Accepted Answer

Manually cycle the damper to verify it closes fully and latches correctly

Answer

After replacing a fusible link, the technician must manually cycle the damper to confirm it closes fully and latches, verifying the repair restored proper function.

Question 4

If a fire damper closes but leaves a visible gap and does not fully seal, which component is most likely defective?

Accepted Answer

A worn or missing blade seal or stop

Answer

A gap when the damper is closed typically indicates worn, damaged, or missing blade seals or blade stops that prevent the blades from forming a tight closure.

Question 5

What is the proper test method to verify a smoke damper is operational after completing a repair?

Accepted Answer

Send an activation signal from the control panel and confirm full closure and position feedback

Answer

After repair, the smoke damper must be tested by sending an actual activation signal and confirming full closure with correct position feedback to the control system.

(FSD) Fire and Smoke Damper Certification Practice Test

(FSD) Fire and Smoke Damper Certification Practice Test

FSD FSD Troubleshooting & Repair 2