Emerson Rosemount 3051 Manual page 94

Troubleshooting
March 2023
2. Loosen the two small screws located on the assembly in the 9 o'clock and 5 o'clock
3. Pull the entire terminal block out to remove it.
6.5.3 Remove electronics board
The transmitter electronics board is located in the compartment opposite the terminal
side.
Procedure
1. Remove the housing cover opposite the field terminal side.
2. If you are disassembling a transmitter with a local operator interface (LOI) or LCD
3.
6.5.4 Remove sensor module from the electronics housing
Procedure
1. Remove the electronics board.
2. Carefully tuck the cable connector completely inside of the internal black cap.
3. Using a 5/64-in. hex wrench, loosen the housing rotation set screw one full turn.
4. Unscrew the module from the housing, making sure the black cap on the sensor
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positions relative to the top of the transmitter.
display, loosen the two captive screws that are visible on the meter display.
See Figure 4-1 for screw locations. The two screws anchor the LOI/LCD display to the
electronics board and the electronics board to the housing.
NOTICE
The electronics board is electrostatically sensitive; observe handling precautions for
static-sensitive components.
NOTICE
If an LOI/LCD display is installed, use caution as there is an electronic pin connector
that interfaces between the LOI/LCD display and electronics board.
Refer to Remove electronics
NOTICE
To prevent damage to the sensor module ribbon cable, disconnect it from the
electronics board before you remove the sensor module from the electrical housing.
NOTICE
Do not remove the housing until after you tuck the cable connector completely
inside of the internal black cap. The black cap protects the ribbon cable from
damage that can occur when you rotate the housing.
module and sensor cable do not catch on the housing.
board.
Manual
00809-0100-4007
Rosemount 3051