Messaging Gateway (SMG) sends a Hardware Failure alert for a CPU temperature condition but reviewing the logs shows that a high temperature condition has not been recorded. Instead, the recorded temperature is displayed as "Unknown" in the messages log.
2020 Nov 22 17:15:16 (crit) SMS: [-] CPU internal temperature in Failure state (Unknown C)
2021 Jan 8 02:10:16 (crit) SMS: [-] CPU internal temperature in Failure state (Unknown C)
2021 Jan 28 19:30:16 (crit) SMS: [-] CPU internal temperature in Failure state (Unknown C)
2021 Apr 22 11:15:20 (crit) SMS: [-] CPU internal temperature in Failure state (Unknown C)
SMG 8340 / Dell R210-II hardware
SMG 8340 / Dell R230 hardware
The tool used to detect the planar CPU temperature is returning an unexpected or empty value rather than the CPU temperature.