a) Verify the drain wires from the 9-wire cable are properly landed.
b) Verify that the drain wires are landed outside the core processor housing.
c) If the drain wires are landed inside the core processor housing, cover them by the foil shield for
their full length until they land under the ground screw.
4. Ensure that all meter components are grounded properly.
5. Evaluate the environment for sources of high electromagnetic interference (EMI) and relocate the
transmitter or wiring as necessary.
6. Reboot or power-cycle the transmitter to see if the alert clears.
7. If the alert persists, replace the transmitter.
15.2.16 [019] RAM Error
Alert
Electronics Failed
Cause
There is a ROM checksum mismatch in the transmitter or the RAM address location cannot be written in the
transmitter. This alert will not clear until you reboot or power cycle the transmitter.
Recommended actions
1. Ensure that all wiring compartment covers are installed correctly.
2. Ensure that all transmitter wiring meets specifications and that all cable shields are properly
terminated.
3. Check the drain wires.
a) Verify the drain wires from the 9-wire cable are properly landed.
b) Verify that the drain wires are landed outside the core processor housing.
c) If the drain wires are landed inside the core processor housing, cover them by the foil shield for
their full length until they land under the ground screw.
4. Ensure that all meter components are grounded properly.
5. Evaluate the environment for sources of high electromagnetic interference (EMI) and relocate the
transmitter or wiring as necessary.
6. Reboot or power-cycle the transmitter to see if the alert clears.
7. If the alert persists, replace the transmitter.
15.2.17 [020] Calibration Factors Missing
Alert
Configuration Error
Cause
Some calibration factors have not been entered or are incorrect.
Configuration and Use Manual Troubleshooting
MMI-20048166 April 2019
Configuration and Use Manual 163
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