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Instruction Manual

Appendix EX Rev. 1.3

January 1997

E-8 Appendices Rosemount Analytical Inc. A Division of Emerson Process Management

World Class 3000

Table E-2. GUI Equipped IFT Fault Finding

SYMPTOM COMPONENT FAILURE

1. Display is blank. Possible failure within IFT. Check LED on microprocessor board.

2. C Err is displayed. Repeat calibration sequence. If error persists, troubleshoot major

components.

3. H Err is displayed. Ensure jumpers are set correctly on IFT. If system is equipped with HPS

refer to Appendix BX, Troubleshooting, for additional troubleshooting

procedures.

4. TGLow is displayed. Possible failure within the MPS. Refer to Appendix DX, Troubleshooting,

for additional troubleshooting procedures.

*5. HiO

is displayed. Possible failure within the probe. Ensure the high alarm level has been en-

tered correctly. Refer to Appendix AX, Troubleshooting, for additional

troubleshooting procedures.

*6. LoO

is displayed. Possible failure within the probe. Ensure the low alarm parameter has been

entered correctly. Refer to Appendix AX, Troubleshooting, for additional

troubleshooting procedures.

7. R Hi is displayed. Cell resistance has exceeded upper limit. Ensure resistance value has been

entered correctly. Refer to Appendix AX, Troubleshooting, for additional

troubleshooting procedures.

8. Off The probe has been turned OFF because the IFT cannot control the heater

temperature.

9. PRBE The probe is disconnected, cold, or leads are reversed.

*HiO

and LoO

can occur in the system without system failure.

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Emerson World Class 3000 Manual de instrucciones Pagina 120