Detector Signal Communication Failed; Light Source; Detector - Emerson ROSEMOUNT Analytical NGA 2000 Instruction Manual

NGA 2000 MLT Hardware
TROUBLESHOOTING
DISPLAY MESSAGES
10.3.3

Detector signal communication failed

Possible Causes
a) Failure in signal processing:
Detector failure
b) Contamination of the gas paths
(
10.3.4

Light source

Possible Causes
a) Failure in signal processing:
Light source failure
10.3.5

Detector

Possible Causes
a) Failure in signal processing:
Detector failure
b) Contamination of the gas paths
10 - 4
Check / Correct
Check connection to PCB "PIC" Fig. 1-32) or
PCB "DSP" Fig. 1-33) resp.;
See Section 11.1.4 (IR/UV measurement),
Section 11.1.6 (O measurement).
2
Check if photometric components are dirty,
clean or replace the components if necessary
(cf. Section 17.).
Check and adjust physical zero point alignment
see Section 17.5 / 11.1.6)
Check / Correct
Check connection to PCB "PIC" Fig. 1-32) or
PCB "DSP" Fig. 1-33) resp.;
See Section 11.1.2
Check / Correct
Check connection to PCB "PIC" Fig. 1-32) or
PCB "DSP" Fig. 1-33) resp.;
See Section 11.1.4
Check if photometric components are dirty,
clean or replace the components if necessary
(cf. Section 17.).
Check and adjust physical zero point alignment
(see Section 11.1.6)
Emerson Process Management GmbH & Co. OHG
Instruction Manual
90002929
07/2006