Chapter 4: Preventive maintenance and testing
46 P/N 3102309-EN • REV 001 • ISS 18JUL19
Routine maintenance schedule
Routine maintenance and testing should be scheduled for your EST4 life safety system in accordance with
Table 10 below or more often if required by the local AHJ.
Note: Only your system service provider or a qualified technician with a complete understanding of the system
hardware and functions should perform system maintenance and tests.
Table 10: Routine maintenance schedule
Initial and
Reacceptance
Other
Y Quarterly/Annually
Y Annually
Control unit trouble signals
Y Annually
Fiber optic cable connections
Y Annually
Emergency voice/alarm communication equipment
Y Annually
Y Annually
Y Annually
Y Annually
Y Annually
Supervisory signal devices
(except valve tamper switches) Y Quarterly
Y Semiannually
Y Semiannually
Fire extinguishing systems or suppression systems
Y Annually
Y Annually
Audible notification appliances
Y Annually
Textual audible notification appliances (speakers)
Y Annually
Visible notification appliances
Y Annually
-premises transmission equipment Y Quarterly
Supervising station fire alarm system transmitters
Y Annually
[1] Test control equipment quarterly when it is not connected to a supervising station.
[2] Replace batteries every five years, or sooner if conditions warrant.
Troubleshooting
Problems with your EST4 life safety system can generally be classified in two categories: application
programming problems and hardware (including firmware) problems. Only your system service provider or a
qualified technician with a complete understanding of system hardware and functions should perform servicing
and repairs. Refer to “Service provider information” on page 44 for their contact information.
Before contacting your service provider, make note of the following:
• Messages shown on the LCD screen
• Construction in the area that may have caused the problem
• Adverse weather that may have caused the problem
• Damage to any equipment
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