GTW_w277 — Non Rev C DrMOS Mitigation Failed

Full alert identifier: GTW_w277_NonRevCDrMOSMitigationFailed

Alert description

The Gateway (GTW) attempted to apply a mitigation for non Rev-C Driver and MOSFET (DrMOS) component by programming the power management controller, but the mitigation attempt was unsuccessful. If the mitigation is unsuccessful, the media control unit (MCU) may be unable to start due to the false detection of over current conditions.

Potential impact

The center display may be blank due to the false detection of an over current condition, preventing the MCU from waking.

Set condition

The mitigation attempt was unsuccessful.

Clear condition

The mitigation attempt was successful.

Signals to check

These diagnostic fields are associated with GTW_w277. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Mitigation Failure Reason `GTW_a277_mitigationFailureReason` 0 APPLIED SUCCESSFULLY 1 NOT NEEDED 2 FAILED ICE NOT AWAKE 3 FAILED REGISTER READ 4 FAILED REGISTER WRITE 5 FAILED REGISTERS WRITE PROTECTED 6 FAILED NVRAM WRITE PROTECTED 7 FAILED NVRAM WRITE	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of GTW_w277.