Spectrex SafEye Quasar 950, User And Maintenance Manual, Page: 59 / 72

Troubleshooting
TM888300 Rev. (Al), August 2019 59
9 Troubleshooting
Table 14: Troubleshooting
Problem Cause Solution
“Maintenance call”
Status OMN: Signals are
below 2.5VDC at Gain 4
Status RMN: Ratios are
below 0.5
Poor alignment Perform alignment
Dirt on the window Clean the window
Poor light source Replace the light source
Detector fault Replace/repair detector
NQR at below the
permitted limit Gas in the path Make sure that the path is
clean and that the weather
conditions are good
NQR at above the
permitted limit Poor alignment Perform alignment
Temperature higher than
77°F/25°C beyond the
room temperature Electronic problem Replace/repair detector
Ratio1 and Ratio2 out of
the limit Poor alignment Perform alignment
Dirt on the window Clean the window
Detector fault Replace/repair detector
Voltage less than 16VDC.
The Detector at “V” fault .
Low input voltage Check the power supply
and installation