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10.5 Status LED states
The status LED on the transmitter indicates whether or not alerts are active. If alerts are
active, view the alert list to identify the alerts, then take appropriate action to correct the
alert condition.
Your meter has one or two status LEDs:
• A status LED on the display (only if your meter has a display)
• A status LED on the board, beneath the meter housing cover
CAUTION!
If your meter is in a hazardous area, do not remove the meter housing cover. Use a different
method to determine meter status.
The status LEDs use colors and flashing to indicate device status.
Transmitter status reported by status LEDTable 10-1:
LED state Description Recommendation
Green No alerts are active. Continue with configuration or process meas-
urement.
Yellow One or more low-severity alerts are active. A low-severity alert condition does not affect
measurement accuracy or output behavior.
You can continue with configuration or proc-
ess measurement. If you choose, you can iden-
tify and resolve the alert condition.
Flashing yellow Calibration in progress, or Known Density Veri-
fication in progress.
A low-severity alert condition does not affect
measurement accuracy or output behavior.
You can continue with configuration or proc-
ess measurement. If you choose, you can iden-
tify and resolve the alert condition.
Red One or more high-severity alerts are active. A high-severity alert condition affects meas-
urement accuracy and output behavior. Re-
solve the alert condition before continuing.
Related information
View and acknowledge status alerts
Troubleshooting
166 Micro Motion
®
Fork Viscosity Meters (FVM)