Spectrex SharpEye 40/40UFI, Руководство пользователя

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Maintenance and Troubleshooting
50 SharpEye™ Ultra-Fast IR3 Flame Detector User Guide
Perform a functional test of the detector as described in Internal Detector Tests
on page 28.
5.1.3 Keeping Maintenance Records
Maintenance operations performed on a detector should be recorded in a log
book. The record should include the following:
• Installation date
• Contractor
• Serial and tag number
• Entries for every maintenance operation performed, including a 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.
5.2 Troubleshooting
This section is a guide to correct problems which may happen during normal
operation.
Table 18: Troubleshooting Table
Problem Cause Corrective Action
LEDs Off
Fault Relay at N.O.
0
– 20mA at 0mA
No power to the
unit
•
Check that the correct power
is sent to the detector.
•
Check power polarity.
•
Check wiring in the detector.
•
Send the detector back for
repairs.
Yellow LED flashes
at 4Hz
Fault Relay at N.O.
0
– 20mA at 0mA
Fault Detector
•
Low Voltage
\
•
Faulty Detector
•
Check the voltage at the
detector; verify at least 24V
at the detector terminal.
•
Send the detector back for
repairs.
Yellow LED flashes
at 4Hz
Fault Relay at N.O.
0
– 20mA at 2mA
BIT Fault
•
Faulty Detector
•
Clean detector window.
•
Re-power the detector.
•
Replace the detector.
Red LED
constantly on If no fire exists,
then detector
alarm latched Perform a Reset.
Alarm Relay at On
0
– 20mA at 20mA
Alarm condition
•
Check cause of alarm.
•
If no alarm, re-power the
detector.
•
Send the detector back for
repairs.