TECHNICAL REPAIR REPORT

Emergency Exit Sign System (EXIT SIGNS)

1. GENERAL INFORMATION

Location: Perris, California

Service Date: 04/18/2026

Service Type: Corrective Maintenance

2. SCOPE OF WORK

Corrective maintenance was performed on the exit sign system, including prior diagnostics, replacement of defective batteries, and operational verification in compliance with applicable codes.

3. INITIAL CONDITION

Total units inspected: 6 Exit Signs

Non-operational units: 4 (due to breaker in OFF position – condition corrected)

Units with backup failure: 2 (defective batteries)

4. WORK PERFORMED

4.1 Battery Replacement

Replacement of internal batteries in defective units:

- 1 rechargeable battery 4.8V (Ni-Cd)

- 1 rechargeable battery 1.2V (Ni-Cd)

Technical criteria applied:

- Voltage compatibility

- Equivalent battery type

- Compatible original connectors

5. TECHNICAL PROCEDURE

- Opening of exit sign fixture

- Disconnection of defective battery

- Installation of new battery

- Polarity verification

- Reconnection and closure of unit

6. TESTING PERFORMED

6.1 Normal Operation Test

- Continuous illumination verified

- LED indicators operational

6.2 Emergency Test (Power Loss Simulation)

- Proper activation in battery mode

- Stable illumination during test

7. RESULTS

Operational units: 6 / 6

System restored: 100% functional

8. CODE COMPLIANCE

The system complies with the following standards:

- NEC 2020 (NFPA 70)

- NFPA 101 (Life Safety Code)

- OSHA

Final status: COMPLIANT

9. RECOMMENDATIONS

Perform periodic testing:

- Monthly: functional test (30 seconds)

- Annual: full discharge test (90 minutes)

Record battery replacement date

Keep circuit #42 permanently energized

Label breaker as: "EXIT SIGNS – DO NOT TURN OFF"

10. CONCLUSION

The repair of the exit sign system was successfully completed through replacement of defective batteries, restoring continuous operation and code compliance.

System operational and compliant with current codes.