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@ -214,24 +214,24 @@ Other:
| HP | heat pump |
## Appendix B: Diagnostic and status messages
**LastStopCause (LSC) messages. Why system was stopped**
**LastStopCause (LSC) messages. Why the compressor has stopped working.**
| Message | description |
| ------------- | ------------- |
| **Normal_stop** | Normal stop, i.e. setpoint sensor temperature > setpoint, so no need to heat anymore. |
| **P.WtMax:_WATTS_** | Protective stop. Overcurrent, double check your system, then **MAX_WATTS** and **POWERON_HIGHTIME** options. |
| **P.W.wattMIN** | Protective stop. Power consumtion abnormally low (<max watts/5). Check your system, see **MAX_WATTS** option. |
| **P.W.TcrcMIN** | Protective stop. "Comressor" temperature abnormally low. Check your system, see **T_WORKINGOK_CRANKCASE_MIN** option. |
| **P.Tho** | Protective stop. "Hot out" temperature is too high. Check your system, see **T_HOT_MAX** option. |
| **P.Thi** | Protective stop. "Hot in" temperature is too high. Check system, see **T_HOT_MAX** option. |
| **P.Tcrc** | Protective stop. "Compressor" temperature is too high. Overheat protection. This is an ordinary situation during long runs. See **T_CRANKCASE_MAX** option and compressor manual if you want to tune it (~115 °C for wide-available compressors). |
| **P.Tae** | Protective stop. "After evaporator" temperature too low. Preventing cold loop from freezing and protecting suction line from liquid. See **T_COLDREF_MIN** option. |
| **P.Tbe** | Protective stop. "Before evaporator" temperature too low. Preventing cold loop from freezing. See **T_BEFORE_EVAP_WORK_MIN** option. |
| **P.Tbc** | Protective stop. "Before condenser" temperatire is too high. Overheat protection. This is an ordinary situation during long runs. See **T_BEFORE_CONDENSER_MAX** option. |
| **P.Tci** | Protective stop. "Cold in" temperature is too low. Preventing cold loop from freezing. See **T_COLD_MIN** option. |
| **P.Tco** | Protective stop. "Cold out" temperature is too low. Preventing cold loop from freezing. see **T_COLD_MIN** option. |
| **E.Tci, E.Tco, E.Tbe, E.Tae, E.Ts1, E.Ts2, E.Tcrc, E.Treg, E.Tac, E.Tbc, E.Tho, E.Thi** | Sensor lost, check wiring. Refer to "T sensors abbreviations". |
| **E.PresCold** | Cold side pressure too low, check refrigerant charge and pressure sensors. |
| **E.PresHot** | Hot side pressure too high, check refrigerant charge and pressure sensors. |
| **Normal_stop** | Normal stop, i.e. setpoint sensor temperature > setpoint, so heat not needed. |
| **P.WtMax:_WATTS_** | Protective stop. Overcurrent, double-check your system, then **MAX_WATTS** and **POWERON_HIGHTIME** options. |
| **P.W.wattMIN** | Protective stop. Abnormally low power consumption (<max watts/5). Check your system, see **MAX_WATTS** option. |
| **P.W.TcrcMIN** | Protective stop. Abnormally low "Compressor" temperature. Check your system, see **T_WORKINGOK_CRANKCASE_MIN** option. |
| **P.Tho** | Protective stop. "Hot out" temperature is too high. Check your system, see **T_HOT_MAX** option. |
| **P.Thi** | Protective stop. "Hot in" temperature is too high. Check system, see **T_HOT_MAX** option. |
| **P.Tcrc** | Protective stop. "Compressor" temperature is too high. Overheat protection. This is an ordinary situation during long runs. See **T_CRANKCASE_MAX** option and compressor manual if you want to tune it (~115 °C for wide-available compressors). |
| **P.Tae** | Protective stop. "After evaporator" temperature too low. Preventing cold loop from freezing and protecting suction line from liquid. See **T_COLDREF_MIN** option. |
| **P.Tbe** | Protective stop. "Before evaporator" temperature too low. Preventing cold loop from freezing. See **T_BEFORE_EVAP_WORK_MIN** option. |
| **P.Tbc** | Protective stop. "Before condenser" temperature is too high. Overheat protection. This is an ordinary situation during long runs. See **T_BEFORE_CONDENSER_MAX** option. |
| **P.Tci** | Protective stop. "Cold in" temperature is too low. Preventing cold loop from freezing. See **T_COLD_MIN** option. |
| **P.Tco** | Protective stop. "Cold out" temperature is too low. Preventing cold loop from freezing. See **T_COLD_MIN** option. |
| **E.Tci, E.Tco, E.Tbe, E.Tae, E.Ts1, E.Ts2, E.Tcrc, E.Treg, E.Tac, E.Tbc, E.Tho, E.Thi** | Sensor lost, check wiring. Refer to "T sensor abbreviations". |
| **E.PresCold** | Cold side pressure too low, check refrigerant charge and pressure sensors. |
| **E.PresHot** | Hot side pressure too high, check refrigerant charge and pressure sensors. |
**LastStartMessage (LSM) messages. What event system is waiting for. Some informational messages.**
| Message | description |