
11.8
Visual examination
If the BIST fails to identify the problem, the next step is a visual examination of the
Rosemount CT5100(Ex).
Procedure
1. Open the door of the electrical compartment and remove the top cover.
.
2. Visually examine the exterior of the analyzer for signs of damage.
3. Perform a visual inspection of the optical and electrical components inside the
analyzer.
Refer to
.
4. If any loose connections are found in the electrical compartment, refer to the wiring
) to identify and repair the connection.
5. Refit the top cover and close the electrical compartment door.
11.9
Functional failure diagnostics
If the Built-in-Self Test and the visual examination fail to identify the fault, perform the
failure diagnostics and recommended actions.
11.9.1
No illuminated LEDs on Power supply unit (PSU) when
analyzer switched ON.
Recommended actions
1. Check mains power is available.
2. If OK, replace PSUs.
11.9.2
Nothing powers up when connected to mains
Recommended actions
1. Check AC fuses (number 1 and number 2)
2. Replace if necessary.
11.9.3
Only MOXA and BEKA powers up
Condition
The startup screen displays BEKA; all other electronic modules remain unpowered.
Recommended actions
1. Check the 12 V PSU is working (LED illuminated).
2. If the 12 V PSU is not working, replace it.
Troubleshooting and diagnostics
Reference Manual
October 2019
00809-0100-4512
122
Rosemount CT5100(Ex)
Содержание Rosemount CT5100
Страница 1: ...Reference Manual 00809 0100 4512 Rev AA October 2019 Rosemount CT5100 Ex Continuous Gas Analyzer ...
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Страница 20: ...Contents Reference Manual October 2019 00809 0100 4512 xx Rosemount CT5100 Ex ...
Страница 28: ...Theory of operation Reference Manual October 2019 00809 0100 4512 28 Rosemount CT5100 Ex ...
Страница 46: ...Specifications Reference Manual October 2019 00809 0100 4512 46 Rosemount CT5100 Ex ...
Страница 66: ...Install Reference Manual October 2019 00809 0100 4512 66 Rosemount CT5100 Ex ...
Страница 84: ...Start up procedure Reference Manual October 2019 00809 0100 4512 84 Rosemount CT5100 Ex ...
Страница 92: ...Shutdown procedure Reference Manual October 2019 00809 0100 4512 92 Rosemount CT5100 Ex ...
Страница 112: ...Gas calibration Reference Manual October 2019 00809 0100 4512 112 Rosemount CT5100 Ex ...
Страница 172: ...ATEX IECEX assessment report summary Reference Manual October 2019 00809 0100 4512 172 Rosemount CT5100 Ex ...