Troubleshooting
Troubleshooting Guides
Thermo Electron Corporation Model 42i Low Source Instruction Manual 6-5
Alarm - Ozonator Flow Ozone flow “Low” Check ozone capillary (.008
inch ID) for blockage.
Replace as necessary.
Alarm - NO, NO
2
, NO
X
Conc.
Concentration has exceeded range
limit
Check to insure range
corresponds with expected
value. If not select proper
range.
Concentration low Check user-defined low set
point, set to zero.
Table 6-2. Troubleshooting - Alarm Messages, continued
Alarm Message Possible Cause Action
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