Process Unit 73 LF - Knick
Process Unit 73 LF - Knick
Process Unit 73 LF - Knick
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<strong>Process</strong> <strong>Unit</strong> <strong>73</strong> <strong>LF</strong><br />
Error Message<br />
(Display in Diagnostics Menu<br />
“Message List”)<br />
Warn Cal Temp<br />
Warn Cell Const<br />
Possible Error Causes and Remedies<br />
Calibration temperature out of range<br />
Cell constant < 0.005 or > 200 1/cm during calibration<br />
Warn Control Parameters Parameter error for controller (see page 9–41)<br />
Warn Current1 20 mA<br />
Warn Current1 Span<br />
Warn Current2 20 mA<br />
Warn Current2 Span<br />
Current output 1: Output current below defined initial value<br />
Current output 1: Output current above defined end value<br />
Current output 1: Initial and end value too close<br />
Current output 2: Output current below defined initial value<br />
Current output 2: Output current above defined end value<br />
Current output 2: Initial and end value too close<br />
Warn Current Par Parameter error for current output (see page 9–22)<br />
Warn Hi Cell Const<br />
Warn Hi Conc Value<br />
Warn Hi Conduct Value<br />
Warn Hi Current Inp<br />
Warn Hi Feed Time<br />
Warn Hi Temp<br />
Warn Interface<br />
Warn Lo Cell Const<br />
Warn Lo Conc Value<br />
Warn Lo Conduct Value<br />
Warn Lo Current Inp<br />
Warn Lo Temp<br />
Warn Ref Temp<br />
Cell constant above warning limit<br />
Concentration above warning limit<br />
Conductivity above warning limit<br />
Input current above warning limit<br />
Controller: Feed time above warning limit<br />
Measured temperature above warning limit<br />
Interface error: Parity or framing error<br />
Cell constant below warning limit<br />
Concentration below warning limit<br />
Conductivity below warning limit<br />
Input current below warning limit<br />
Measured temperature below warning limit<br />
Reference temperature < –50 C or > 250 C<br />
Warn RS485 Bus Address Interface error: Invalid device address entered (0 or >31)<br />
Warn RS485 Overflow<br />
Warn RS485 Parameter<br />
Warn RS485 Syntax<br />
Warn Sensor Unstable<br />
Warn TC<br />
Interface error: Buffer overflow, too many characters received<br />
without message terminator<br />
Interface error: Command parameter error<br />
Interface error: Command Syntax error or<br />
command not available<br />
Stable end value not obtained during calibration<br />
Temperature coefficient < 0 or > 20 %/K<br />
11–2 Error Messages
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