Emerson Micro Motion 1000 Series Configuration And Use Manual page 163

Troubleshooting
4. If you have an integral installation (Model 1700/2700 transmitters only):
a. Loosen the four cap screws that fasten the transmitter to the base (see Figure B-9).
b. Rotate the transmitter counter-clockwise so that the cap screws are in the unlocked
position.
c. Gently lift the transmitter straight up, disengaging it from the cap screws. Do not
disconnect or damage the wires that connect the transmitter to the core processor.
d. Check the core processor LED against the conditions described in Table 12-11.
e. To return to normal operation:
- Gently lower the transmitter onto the base, inserting the cap screws into the slots. Do
not pinch or stress the wires.
- Rotate the transmitter clockwise so that the cap screws are in the locked position.
- Tighten the cap screws, torquing to 20 to 30 in-lbs (2,3 to 3,4 N-m).
5. If you have a 9-wire remote installation (Model 1700/2700 transmitters only):
a. Remove the end-cap (see Figure B-11).
b. Inside the core processor housing, loosen the three screws that hold the core processor
mounting plate in place. Do not remove the screws. Rotate the mounting plate so that the
screws are in the unlocked position.
c. Holding the tab on the mounting plate, slowly lower the mounting plate so that the top of
the core processor is visible. Do not disconnect or damage the wires that connect the core
processor to the transmitter.
d. Check the core processor LED against the conditions described in Table 12-11.
e. To return to normal operation:
- Gently slide the mounting plate into place. Do not pinch or stress the wires.
- Rotate the mounting plate so that the screws are in the locked position.
- Tighten the screws, torquing to 6 to 8 in-lbs (0,7 to 0,9 N-m).
- Replace the end-cap.
Note: When reassembling the meter components, be sure to grease all O-rings.
Table 12-11 Standard core processor LED behavior, meter conditions, and remedies
LED behavior Condition
1 flash per second (ON Normal operation
25%, OFF 75%)
1 flash per second (ON Slug flow
75%, OFF 25%)
Solid ON Zero or calibration in
progress
Core processor
receiving between 11.5
and 5 volts
Configuration and Use Manual
Possible remedy
No action required.
See Section 12.17.
If calibration is in progress, no action required. If no calibration is in
progress, contact Micro Motion. See Section 12.3.
Check power supply to transmitter. See Section 12.14.1, and refer to
Appendix B for diagrams.
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