2000-OSM, F1 6-27
Cause
: Possible causes for analyzer not powering up are as follows:
1. If attempting to Override X-Purge, light intensity may not be sufficient to energize Override, or
cover to X-Purge electronics housing is not removed.
2. Power is disconnected. Check power distribution circuit breakers and local disconnect switch.
(Watch for lock-out tag-out).
3. No air or insufficient air supply at analyzer. An alarm should be present indicating the purge
failure.
4. Perform Test Procedure 1 (Carrier, Makeup, and Utility Gas Supplies).
5. X-purge time-out not complete.
6. Air leak in purged analyzer housing preventing X-purge time from completing. See "Loss of
Purge Air."
7. X-purge is locked out. Cycle power (10 seconds) to reset X-purge, and allow X-purge sequence
to initiate.
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