Hach PAT700 DS, Basic User Manual

Page: 25 / 192

Operation may continue when a warning condition is present. Refer to Table 10 . For codes not listed,
contact technical support.
Table 10 Warning alarm codes
Code Message Resolution
SC100–SC103 IncorrectBottleLoadedinPositionX Examine and change the bottle as necessary.
SC104–SC107 NotEnoughFluidinBottleX Adjust the fluid level before the test.
SC127 UvLampLifeExceeded Replace the lamp.
SC153–SC156 BottleXMarkedAsUsed Replace the bottle with the correct standard.
SC165 LampSwitch One lamp is weak or has failed. Replace the lamp.
SC172 RougeDetected One or more of the 500 ppb standards took longer than
expected to oxidize. Clean the cell.
SC178 ExcursionCaptured Remove the sample from the analyzer.
SC181 BottleTestCancelled Start the test again.
SC182–SC185 BottleXExpired Replace the bottle with the correct standard.
Measurement alarm codes
Measurement alarms occur when TOC or conductivity levels in the process water are more than the
set limits. Refer to
Table 11 .
The digital outputs that identify a TOC alarm or conductivity alarm change their state when a
measurement alarm is present. The three analog outputs continue to represent the last measured
value when a measurement alarm is present.
Table 11 Measurement alarm conditions
Code Message Description
SC161 TOCAlarm The measured TOC is more than the user-defined TOC level.
SC162 ConductivityAlarm The measured conductivity is more than the USP645 conductivity level.
English 25