CHW-2799: AFF-A70, AFF-A90: Node shuts down after "Chassis temperature is too cool: NVRAM DIMMX Temp is critical low (-1 C)"
Issue
env_mgr: monitor.chassisTemperature.cool:alert]: Chassis temperature is too cool: NVRAM DIMM2 Temp is critical low (-1 C).
env_mgr: monitor.shutdown.chassisUnderTemp:error]: Chassis temperature is too cold: BBU/NVRAM temperature out of range. System will be shutdown in 2 minutes
env_mgr: callhome.chassis.undertemp:EMERGENCY]: Call home for CHASSIS UNDER TEMPERATURE SHUTDOWN
env_mgr: monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (Temperature critical)