Emerson Model 1700 User Manual

Page of 350
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.
Important
When reassembling the meter components, be sure to grease all O-rings.
10.29.1
Core processor LED states
Standard core processor LED states
Table 10-13:   
LED state
Description
Recommended actions
1 flash per second (ON 25%, OFF
75%)
Normal operation
No action required.
1 flash per second (ON 75%, OFF
25%)
Slug flow (two-phase flow)
.
Solid ON
Zero or calibration in progress
No action required.
Core processor receiving be-
tween 11.5 and 5 volts
Check power supply to transmitter.
3 rapid flashes, followed by
pause
Sensor not recognized
Check wiring between transmitter and sensor.
Improper configuration
Check sensor characterization parameters.
Broken pin between sensor and
core processor
The meter requires factory service.
4 flashes per second
Fault condition
Check alarm status.
OFF
Core processor receiving less
than 5 volts
Verify power supply wiring to core processor.
If transmitter status LED is lit, transmitter is re-
ceiving power. Check voltage across terminals
1 (VDC+) and 2 (VDC–) in core processor. If
reading is less than 1 VDC, verify power supply
wiring to core processor. Wires may be switch-
ed.
If transmitter status LED is not lit, transmitter
is not receiving power. Check power supply. If
power supply is operational, internal transmit-
ter, display, or LED failure is possible – the me-
ter may require factory service.
Core processor internal failure
The meter requires factory service.
Troubleshooting
214
 Micro Motion
®
 Model 1700 Transmitters with Analog Outputs