World Class 3000

Instruction Bulletin

Appendix A Rev. 3.9 May 2005

Table A-2. Fault Finding (Continued)

Symptom

Check

Fault

Remedy

2.System responds to oxygen concentration changes but does not give correct indication

 

Good response, with

Recorder or remote

Calibration error

Recalibrate recorder or

 

incorrect indication

indicator

 

indicator. Reference Re-

 

 

 

 

corder Instruction Manual.

 

 

System calibration

Calibration error

Recalibrate system.

 

 

Probe mounting and con-

Air ingress into duct

Stop air leaks or resite

 

 

dition of duct

 

probe.

 

 

Cell mV input to

Failure of electronics

Check electronics

 

 

electronics

 

package.

 

 

 

 

3. System does not give

Calibration gas input port

Blocked port

Clean port. If the flue gas

 

accurate indication of

 

 

is condensing in the cali-

 

applied calibration gas

 

 

bration gas line, insulate

 

 

 

 

the back of the probe.

 

 

 

 

Make sure that the cali-

 

 

 

 

bration gas line is capped

 

 

 

 

between calibrations, or a

 

 

 

 

check valve is installed.

 

 

Ceramic diffusion element

Diffusion element cracked,

Replace diffusion element.

 

 

 

broken, or missing

 

4.

System takes a long

Diffusion element

Plugged diffusion element

Change diffusion element

 

time to return to flue

 

 

or snubber diffusion

 

gas value after calibra-

 

 

element.

 

tion gas is turned off

 

 

 

5.

Probe passes calibra-

Check calibration gas fit-

Leak in gasket, or calibra-

Repair leak.

 

tion, but appears to

ting.

tion gas fittings or tubing.

 

 

read high.

Check calibration gas

Leak in calibration gas

Repair hose or tubing/

 

 

 

 

hoses or tubing.

hose or tubing.

 

 

 

Cell flange corrugated

Leaking seal.

Replace seal.

 

 

seal.

 

 

 

 

If equipped with an abra-

Leaking gasket.

Replace gasket.

 

 

sive shield, check flange

 

 

 

 

mounting gasket.

 

 

6.

Probe passes calibra-

Flow calibration gas to the

Plugged diffuser element

Replace diffuser.

 

tion, but appears to

probe until reading stabi-

from high process par-

 

 

read low.

lizes. Shut off calibration

ticulate may cause a cali-

 

 

 

gas and note the time re-

bration shift.

 

 

 

quired to return to process

 

 

 

 

gas values. Time should

 

 

 

 

be <20 sec. (<40 sec. for

 

 

 

 

hazardous area probes).

 

 

Rosemount Analytical Inc. A Division of Emerson Process Management

Appendices A-13

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Emerson 3000 instruction manual World Class
Page 112 Page 114

3000 specifications

The Emerson 3000 is a cutting-edge control system designed to enhance the efficiency, reliability, and precision of industrial operations. Employed across various sectors such as oil and gas, pharmaceutical, food and beverage, and power generation, the Emerson 3000 has gained recognition for its robustness and versatility.

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