Spectrex 20/20MPI - Commercial IR3 Flame Detector - Manual (Page 48)

SharpEye TM IR3 Flame Detector User Guide
36 User and Maintenance Manual
8.3 Periodic Maintenance Procedures
In addition to preventive cleaning and maintenance, the detector should be
functionally tested every six months. This test should also be carried out for
any reason the detector has been opened.
8.3.1 Power-Up Procedure
Perform Power-Up procedure every time power is restored to the system.
Follow the instructions in Power-Up on page 31.
8.3.2 Functional Test Procedure
Perform a functional test of the detector as described in Functional Testing
on page 32.
8.4 Maintenance Records
It is recommended that maintenance operations performed on a detector
are recorded in a Log-book. The record should include the following:
 Installation date, and contractor
 Serial and tag no.
 Entries for every maintenance operation performed, including the
description of the operation, date and personnel ID.
If a unit is sent to Spectrex or a distributor for service, a copy of the
maintenance records should accompany it.
8.5 Troubleshooting
8.5.1 Fault Indication
➣ To identify the fault indication:
1 Check power supply for correct voltage, polarity and wiring.
2 Check detector window and reflector for cleanness. If necessary clean
the window as indicated in paragraph 8.3 and repeat the test.
3 Disconnect the power supply to the system and check the detector's
internal wiring.
4 Reconnect the power supply and wait approximately 60 seconds. Repeat
the test. If the 4 Hz LED still flashes in yellow, the unit requires service.