Spectrex 20/20SH - Hydrogen Flame Detector - Manual (Page 44)

Spectrex Inc. - SharpEye TM Hydrogen (SH) Flame Detector Manual – TM 784600, Rev. A, May 2005
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8.5 Maintenance Records
It is recommended to record maintenance operations performed on a detector in a
system log-book. The record should include information, which identifies the unit,
the 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
1 Check power supply for correct voltage, polarity and wiring.
2 Check detector window and reflector for cleanliness. 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 power supply and wait approximately 60 seconds. Repeat the test.
If the indication LED is still blinking, the unit requires service.
8.6.2 False Alarm or Warning Indication
1 Disconnect the power supply from the system and check internal wiring.
2 Reconnect power supply and wait approximately 60 seconds. If indication
remains, the unit requires service.