Nvidia DGX H100 - Page 14

NVIDIA DGX H100 Service Manual
There are two fans in the fan module, identied by SPD_FAN_SYSn_F and SPD_FAN_SYSn_R,
where n is the module ID. If either fan fails, then the entire module must be replaced.
6. Use the nvsm command to conrm the fan issue.
8 Chapter 2. Front Fan Module Replacement