System: Cerbo GX Mk2
Subcategory: Relay (Temperature in Fahrenheit) Temperature reported to Cerbo GX Mk2 from Lynx NG BMS 500
Cerbo Firmware: v3.66 (current 10/2025)
Lynx BMS 500 Firmware: v1.14 (current 10/2025)
Symptom: FAILURE to deactivate relay 1 or relay 2 at set deactivation temperature once successfully activated at low temperature. Parameter: Activate at low temperature / Deactivate at high temperature on values reported by Lynx BMS 500. FAILS to deactivate on the CONDITION 1 parameter or CONDITION 2 parameter using either Cerbo relay object using Lynx reported temperature values.
NOTES: System operates as expected using ANALOG (Victron branded) temperature probes - deactivating (as expected) at set deactivation temperature from Cerbo device.
FAILURE: Cerbo GX Mk2 will NOT deactivate RELAY 1 or RELAY 2 using the Lynx NG BMS 500 temperature reporting for any BMS reported temperature.