Critical Error Alarms; Warning Alarms - Hach ANATEL PAT700 Operator's Manual

PAT700 Total Organic Carbon Analyzer – Alarms

Critical error alarms

A critical error occurs any time the analyzer cannot function due to an error in the system. The
error appears as a full-screen, flashing message. All operation ceases until the error condition
has been corrected. The current analysis is aborted. Touching the screen provides access to
the alarm acknowledge dialog box. See
Table 7-2 Critical error alarm messages
Code Message
110 UnableToStartIoModule
111 UnableToStartTocModule
114 UnableToStartEthernetModule
152 LampUnableToSwitch
166 UnableToInitializePump
173 RangeTable_FailedToLoad
174 AnalyzerTemperature
175 BothLampsBad
176 NoCondTempReadings
179 HardwareInitializationFailure

Warning alarms

A warning occurs any time one of the subsystems is not operating at a normal level. When a
warning condition is present, a warning indicator appears on the display. Operation may
continue with a warning condition present. When the warning condition has been corrected,
the indicator disappears. See
Table 7-3 Warning alarm messages
Code Message
27 FALSE_CONDUCTIVITY
28 BAD_TEMP_CONVERT
29 BAD_TOC_CONVERT
34 ANALYSIS_TIMEOUT
35 LOW_OX_RATE
36 CHEM_INTERFERE
Anatel
Table 7-2.
Alarm condition
Analyzer cannot start IO module.
Analyzer cannot start TOC module
Analyzer cannot start Ethernet module.
Analyzer cannot switch from one lamp to the other.
Failed to initialize pump to correct speed.
RangeTable.txt file could not be loaded.
Temperature inside analyzer is out of normal operating range.
• Both UV lamps have failed.
• Replace both lamps as soon as possible.
• Analyzer cannot measure conductivity and temperature.
• Restart analyzer.
• If restarting doesn't resolve error, phone customer service at
1–800–866–8854.
An error occurred during hardware initialization.
Table 7-3.
Alarm condition
Measured conductivity is less than 0.
Conductivity out of bounds for temperature conversion.
Unable to finish oxidation in 35 minutes.
TOC too low (out of range).
• Negative TOC (out of range).
• Potential presence of organic acids.
Page 107
Operator Manual