Emerson Rosemount CT5800 Manual page 142

Troubleshooting and diagnostics
September 2019
7. Clip the replacement Ethernet switch onto the correct location on the DIN Rail.
8. Connect the wiring harness (F) to the Ethernet switch.
9. Close the enclosure as described in
10. Apply power to restart the analyzer.
7.15.6 Replacing the laser modules
The analyzer contains multiple laser modules; the precise number of laser modules is
determined by the configuration of the analyzer.
Prerequisites
All the laser modules are physically identical, but are NOT interchangeable as they differ in
internal settings. Each laser module is a sealed unit and can only be repaired by Emerson.
Repair therefore consists of removing the unserviceable laser module and returning it to
Emerson for repair.
DANGER
ELECTRIC SHOCK
This article is in accordance with IEC 60079-0: 2011 Clause 30.
Death or personal injury may result if this is not observed.
The analyzer uses mains voltage that is dangerous to life. Make sure that the circuit
breakers are set to OFF and tagged off before opening the front cover.
Procedure
1. Shut down the analyzer as described in
2. Open the enclosure as described in
3. Disconnect the ribbon cable (E) and the captive screws (D and F).
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Check the DC power supply is secure.
M16 bolts and engage the threads on the rear housing.
Closing the enclosure and secure with captive
Shutdown procedure.
Opening the enclosure.
Reference Manual
00809-0100-5800
Emerson.com/Rosemount