Dell PowerEdge M520 Dell PowerEdge M420 Systems Owner's Manual - Page 116
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Error Code Message Information VLT0221 Message The voltage is greater than the upper critical threshold. LCD Message The voltage is outside of range. Details System hardware detected an over voltage or under voltage condition. If multiple voltage exceptions occur consecutively the system may power down in failsafe mode. Action 1. Review system logs for power supply exceptions. 2. Re-configure the system to minimum configuration, inspect and reinstall system cables. 3. If the issue persists, see Getting Help. VLT0222 Message The voltage is outside of range. LCD Message The voltage is outside of range. Details System hardware detected an over voltage or under voltage condition. If multiple voltage exceptions occur consecutively the system may power down in failsafe mode. Action 1. Review system logs for power supply exceptions. 2. Re-configure the system to minimum configuration, inspect and reinstall system cables. 3. If the issue persists, see Getting Help. VLT0224 Message The memory module voltage is less than the lower warning threshold. LCD Message Memory module voltage is outside of range. Details System hardware detected an over voltage or under voltage condition. If multiple voltage exceptions occur consecutively the system may power down in failsafe mode. Action 1. Review system logs for power supply exceptions. 2. Re-configure the system to minimum configuration, inspect and reinstall system cables. 3. If the issue persists, see Getting Help. VLT0225 Message The memory module voltage is less than the lower critical threshold. LCD Message Memory module voltage is outside of range. Details System hardware detected an over voltage or under voltage condition. If multiple voltage exceptions occur consecutively the system may power down in failsafe mode. Action 1. Review system logs for power supply exceptions. 116