Dell PowerEdge XE9780 Installation and Service Manual
GPU fan LED indicator codes
The GPU fan LED indicator lights up to indicate the status of fans that are connected to the system.
Each GPU fan has LED indicators which provide information, status, and error messages to indicate if the fan is functioning correctly or requires attention. The following table describes GPU fan activity when the GPU fan is connected to the system:
| Condition | Description |
|---|---|
| Normal Operation (S0) | |
| Solid green | Fan is healthy. |
| Blinking amber (on for two seconds and off for one second) | Fan fail |
| System Standby (Idle or S5) | |
| LED indicator off | System power off without any fault alert from PDB |
| Blinking amber LED (continuous1 Hz1 blinking) on Fan 7-12. | PDB power failure (PDB related) |
| Blinking amber LED (continuous1 Hz1 blinking) on Fan 11-16 (with NVIDIA or AMD GPU) | GPU baseboard/UBB power fail or PSB board power failure (PSB/GPU baseboard related) |
| Blinking amber LED (continuous1 Hz1 blinking) on Fan 13-18 (with Intel GPU) | GPU baseboard/UBB power fail or PSB board power failure (PSB/GPU baseboard related) |
| Blinking amber (on for two seconds and off for one second) | Fan fail |
| GPU OTP (S6-Idle) | |
| Amber LED on all GPU fans with continuos 1 Hz blinking | GPU over temperature event. All green LEDson then front fans could be off. |
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