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Page: 34
4
MAINTENANCE AND TROUBLESHOOTING
➣
In this chapter…
Maintenance page
34
Troubleshooting page
36
This chapter deals with preventive maintenance, describes possible faults in detector
operation and indicates corrective measures. Ignoring these instructions may cause
problems with the detector and may invalidate the warranty. Whenever a unit requires
service, please contact Sierra Monitor or its authorized distributor for assistance.
4.1 MAINTENANCE
This section describes the basic maintenance steps that should be taken to keep the
detector in good working condition and includes the following topics:
•
General Procedures, page 34
•
Periodic Procedures, page 35
•
Keeping Maintenance Records, page 35
4.1.1 GENERAL
PROCEDURES
Maintenance should be performed by suitably qualified personnel, who are familiar with
local codes and practice. Maintenance requires ordinary tools.
4.1.1.1 CLEANING
The detector must be kept as clean as possible. Clean the viewing window and the
reflector of the Flame Detector periodically.
The frequency of cleaning operations depends upon the local environmental conditions
and specific applications. The fire detection system designer will give his
recommendations.
➣
To clean the detector viewing window and reflector:
1
Disconnect power to the detector before proceeding with any maintenance including
window/lens cleaning.
2
Use water and detergent, and then rinse the viewing window with clean water.
3
Where dust, dirt or moisture accumulates on the window, first clean it with a soft
optical cloth and detergent, and then rinse with clean water.
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