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MODEL FCL-1056 SECTION 9.0
TROUBLESHOOTING
SECTION 9.0
TROUBLESHOOTING
9.1 OVERVIEW
The analyzer continuously monitors itself and the sensor(s) for problems. When the analyzer identifies a problem,
the word warning or fault appears intermittently in the lower line of the main display. When the fault or warning
message appears, press the DIAG (diagnostic) key for more information. See Section 9.2.
A warning means the instrument or sensor is usable, but steps should be taken as soon as possible to correct the
condition causing the warning.
A fault means the measurement is seriously in error and is not to be trusted. A fault condition might also mean that
the analyzer has failed. Fault conditions must be corrected immediately. When a fault occurs the analog output
goes to 22.00 mA or to the value programmed in Section 5.3.2.
The analyzer also displays warning messages if a calibration is seriously in error. For more information see Section
9.3.
9.2 USING THE DIAGNOSTIC FEATURE
1. To read diagnostic messages, press DIAG. The screen at left appears. To
display fault messages, select Fault. To display Warning messages
select warning. To read measurement information about the sensor(s)
including raw sensor signal and calibration data, choose the desired sen-
sor and press ENTER.
2. If you choose Fault or Warning, a screen like the one shown at left
appears. S1 means sensor 1. S2 means sensor 2. For additional trou-
bleshooting information, select the desired message and press ENTER.
For more information, see Section 9.3.
3. To return to the main display, press MENU then EXIT
Diagnostic
Faults
Warnings
Sensor 1
Sensor 2
Faults
Faults
S1 RTD Open
S2 RTD Open
S1 RTD Open