Maintenance and Troubleshooting | 6-31
10. Tighten the Lamp Retaining Screw to secure the lamp socket. Do not
overtighten; the spring should not be collapsed.
11. Swing the Microcontroller/Micro-Interface board assembly back to
its original position and tighten the (2) M3 X 8 screws on its mounting
bracket.
12. Allow the analyzer to operate for 30–45 minutes and then initiate an
Auto-Setup, which automatically turns on ALC On. Continue with
this procedure only after the Auto-Setup is complete. See “The Auto-
Setup Sequence” in this chapter.
13. After the Auto-Setup is complete, manually Zero the analyzer (allow
the Zero gas to flow for 2–3 minutes).
To check the time remaining for the Zero, view the Analyzer Data tab
and observe the Time to end of cal(sec) timer under Countdown tim-
ers. You can also verify that the Zero calibration is in progress by view-
ing the Calibration/Solenoid Status field in the Status tab. It should
display “Manual-zero”.
14. After the Zero is complete, change the Flow Control setting back to
‘0’ (auto). Click OK then Apply (next to Flow Control). Click OK then
save this parameter change to EEPROM by clicking the Save CFG to
EEPROM button on the Setup tab.
15. From the Status tab, click Conc. Alarm Soft Enable On/Off to enable
the Concentration Alarms then click OK.
The lamp replacement and alignment process is complete and the ana-
lyzer is ready to operate.
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