Table of Contents

FortiGate-7121F System Guide

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DC PSU LED States

State Description
Off DC power not connected.
Flashing green The PSU is in standby mode, not supplying power to the chassis.
Green Normal operation with DC power connected.
Amber

Fault condition (PSU shuts down). This can occur if power input or output is out of the normal operating range, temperature is out of the normal range, or one or more fans are not operating. This may be caused by a problem with the PSU. This could also be caused by conditions external to the PSU, for example, if there is a problem with the power supplied to the PSU or if the PSU has gotten too hot because of insufficient ventilation.

Flashing amber Warning that power input or output, temperature, or fan operation is close to being outside of the normal operating range. This may be caused by a problem with the PSU. This could also be caused by conditions external to the PSU, for example, if there is a problem with the power supplied to the PSU or if the PSU has gotten too hot because of insufficient ventilation.

DC PSU LED States

State Description
Off DC power not connected.
Flashing green The PSU is in standby mode, not supplying power to the chassis.
Green Normal operation with DC power connected.
Amber

Fault condition (PSU shuts down). This can occur if power input or output is out of the normal operating range, temperature is out of the normal range, or one or more fans are not operating. This may be caused by a problem with the PSU. This could also be caused by conditions external to the PSU, for example, if there is a problem with the power supplied to the PSU or if the PSU has gotten too hot because of insufficient ventilation.

Flashing amber Warning that power input or output, temperature, or fan operation is close to being outside of the normal operating range. This may be caused by a problem with the PSU. This could also be caused by conditions external to the PSU, for example, if there is a problem with the power supplied to the PSU or if the PSU has gotten too hot because of insufficient ventilation.