34
4
MAINTENANCE AND TROUBLESHOOTING
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 Industrial Scientific 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 34
•
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.
Ø
To clean the detector viewing window and reflector:
32
Disconnect power to the detector before proceeding with any maintenance including
window/lens cleaning.
33
Use water and detergent, and then rinse the viewing window with clean water.
34
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.
4.1.2
Periodic Procedures
In addition to preventive cleaning and maintenance, the detector should be functionally
tested every six months or as dictated by local codes and regulations. These tests should
also be carried out if the detector has been opened for any reason.
4.1.2.1
Power-Up Procedure
Perform Power-Up procedure every time power is restored to the system. Follow the
instructions described in
Powering Up
on page 31.
4.1.2.2
Functional Test Procedure
Perform a functional test of the detector as described in
Internal Detector Tests
on page
19.
Summary of Contents for SharpEye NP40IGB
Page 1: ...Ref NP40IGB REV A Nov 2009 USER GUIDE...
Page 35: ...36 Appendices...
Page 49: ...50...
Page 50: ...51...