Spectrex 20/20U (UB) - UV Flame Detector - Manual (Page 43)

Spectrex Inc. - SharpEye™ UV Flame Detector Manual – TM 20/20UB Rev. E, August 2004
35
8.5 Maintenance Records
It is recommended to record maintenance operations performed on a detector in
the System Log Book. The record should include information, which identifies the
unit, installation date, contractor, and entries for every maintenance operation
performed including the description of the operation, date and personnel ID.
If a unit is sent to the manufacturer or distributor for service, a copy of the
Maintenance records should accompany it.
8.6 Troubleshooting
8.6.1 Fault Indication
The following subsections describe possible faults and suggestion for immediate
solutions.
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 section 8.3 and repeat the test.
3 Disconnect the power supply from the system and check the detectors’
internal wiring.
4 Re-connect powers supply and wait approximately one minute. Repeat the
test. If any indication LED is still blinking at 2Hz rate, the unit is faulty and
requires to be removed and to be submitted for repair.
8.6.2 False Alarm or Warning Indication
1
Disconnect the power supply from the system and check the detector’s
internal wiring.
2 Re-connect powers supply and wait approximately one minute. Repeat the
test. If the indication LED is still blinking at 2Hz rate, the unit is faulty and
requires to be removed and to be submitted for repair.