Core Processor Led States - Emerson Micro Motion 1700 Configuration And Use Manual

Troubleshooting
Postrequisites
To return to normal operation:
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Important
When reassembling the meter components, be sure to grease all O-rings.
10.28.1

Core processor LED states

Table 10-8: Standard core processor LED states
LED state
1 flash per second (ON 25%, OFF
75%)
1 flash per second (ON 75%, OFF
25%)
Solid ON
3 rapid flashes, followed by
pause
4 flashes per second
184
For a 4-wire remote installation or a remote core processor with remote transmitter
installation, replace the core processor lid.
For an integral installation:
1. Without pinching or stretching the wires, lower the transmitter onto the base,
inserting the cap screws into the slots.
2. Rotate the transmitter clockwise so that the cap screws are in the locked
position.
3. Tighten the cap screws, torquing to 20 to 30 in-lbs (2.3 to 3.4 N-m.
For a 9-wire remote installation:
1. Without pinching or stressing the wires, slide the mounting plate into place.
2. Rotate the mounting plate so that the screws are in the locked position.
3. Tighten the screws, torquing to 6 to 8 in-lbs (0.7 to 0.9 N-m.
4. Replace the end-cap.
Description
Normal operation
Slug flow (two-phase flow)
Zero or calibration in progress
Core processor receiving be-
tween 11.5 and 5 volts
Sensor not recognized
Improper configuration
Broken pin between sensor and
core processor
Fault condition
Recommended actions
No action required.
See Section 10.24.
No action required.
Check power supply to transmitter.
Check wiring between transmitter and sensor.
Check sensor characterization parameters.
The meter requires factory service.
Check alert status.
Micro Motion Model 1700 Transmitters with Analog Outputs