REV Spark MAX "12V Missing" (blue/orange) LEDs?

One of our Spark MAXes seems to be permanently stuck on the “12V Missing” fault condition (the LED is flashing orange + blue).

It is hooked up properly to our PDP, and the CANSparkMax.getBusVoltage() API call shows 12V. All of the other API calls (motor temperature, output, etc) all seem to return normal values. clearStickyFaults() reports “Ok”, meaning any sticky faults have been cleared.

We’ve also tried doing a full factory reset, to no avail. It is fully up-to-date with the latest firmware. Everything else in the REV Hardware Client, including the CAN bus data, looks fine.

What am I missing? Has anyone seen this or have any bright ideas?

Thanks!

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