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@ -131,55 +131,55 @@ qwer
**LastStopCause messages. Why system was stopped**
| 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 |
| **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 |
| **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. |
**LastStartMessage messages. What event system is waiting for starting work and some additional events**
**LastStartMessage messages. What event system is waiting for. Some informational messages.**
| Message | description |
| ------------- | ------------- |
| **StCntd:_seconds_** | startup countdown, short-term power loss protection |
| **HP_Started** | normal start |
| **HWP_OFF** | setpoint sensor temperature > setpoint, so hot side pump powered off and going to power saving mode, see **HOTCIRCLE_STOP_AFTER** |
| **HWP_ON_by_ev** | hot side pump started after power saving, see **HOTCIRCLE_START_EVERY** option |
| **#CWPpStart** | coldside pump started, preparing system to start compressor |
| **#HotPrp:_seconds_** | hot side pump is on, waiting for T stabilisation countdown see **HOTCIRCLE_CHECK_PREPARE** option |
| **#HotSlp:_seconds_** | sleepeng, last cycle temperature was > setpoint, waiting for next startup, see **HOTCIRCLE_START_EVERY** option |
| **#HPSlp:_seconds_**" | + String( (mincycle_poweroff -(unsigned long)(millis_now - millis_last_heatpump_on))/1000 ); |
| **#CWPp:_seconds_** | coldside pumping, preparing countdown**COLDCIRCLE_PREPARE** option |
| **#Tho>Max** | , see **T_HOT_MAX** option |
| **#Thi>Max** | , see **T_HOT_MAX** option |
| **#CaseCold** | , see **T_CRANKCASE_MIN** option |
| **#CaseHot** | , see **T_CRANKCASE_MAX** option |
| **#Thi>Setp.** | hot in temperature > setpoint, so no reason to start |
| **#Ts1>Setp.** | Ts1 temperature > setpoint, so no reason to start, see SETPOINT_TS1 option to switch betwees Thi and Ts1 as setpoint sensor |
| **#Tae<RefMin** | After Evaporator temperature is too low, check system, see **T_COLDREF_MIN** option |
| **#Tbe<RefMin** | Before Evaporator temperature is too low, check system, see **T_COLDREF_MIN** option |
| **#Tbc>Max** | Before Condenser temperature is too high, check system, see **T_BEFORE_CONDENSER_MAX** option |
| **#Tci<ColdMin** | Cold In temperature is too low, see **T_COLD_MIN** option |
| **#Tco<ColdMin** | Cold In temperature is too high, see **T_COLD_MIN** option |
| **CWP_ON_CoMin** | coldside pump started, cold side temperature is too low, so preventing cold loop freeze, see **T_COLD_MIN** option |
| **StCntd:_seconds_** | Startup countdown, short-term power loss protection. |
| **HP_Started** | Normal start. |
| **#Thi>Setp.** | "Hot in" temperature > setpoint, so no reason to start |
| **#Ts1>Setp.** | "Ts1" temperature > setpoint, so no reason to start, see SETPOINT_TS1 option to switch betwees Thi and Ts1 as setpoint sensor |
| **HWP_OFF** | Setpoint sensor temperature > setpoint, so hot side pump powered off and gone to power saving mode. See **HOTCIRCLE_STOP_AFTER**. |
| **HWP_ON_by_ev** | Hot side pump started after power saving. See **HOTCIRCLE_START_EVERY** option. |
| **#HotPrp:_seconds_** | Hot side pump is on, waiting for T stabilisation. Countdown, seconds. See **HOTCIRCLE_CHECK_PREPARE** option. |
| **#HotSlp:_seconds_** | Hot side pump in power save mode (sleeping). Waiting for next startup. Countdown, seconds. See **HOTCIRCLE_START_EVERY** option. |
| **#HPSlp:_seconds_**" | Compressor: pause between starts. Countdown, seconds. **MINCYCLE_POWEROFF** option.|
| **#CPpStart** | Cold side pump started. |
| **#CPp:_seconds_** | Cold side pumping. Preparing system to start compressor. Countdown, seconds. **COLDCIRCLE_PREPARE** option |
| **#Tho>Max** | "Hot out" temperature is too high. See **T_HOT_MAX** option |
| **#Thi>Max** | "Hot in" temperature is too high. , see **T_HOT_MAX** option |
| **#CaseCold** | Compressor crankcase temperature is too low. Can't start. This situation occurs if the outdoor installation when AC power was lost for a few hours. Wait, while the crankcase heater stabilizing your compressor temperature. See **T_CRANKCASE_MIN** option |
| **#CaseHot** | Compressor is still overheated, waiting. See **T_CRANKCASE_MAX** option |
| **#Tae<RefMin** | "After evaporator" temperature too low. Preventing cold loop from freezing and protecting suction line from liquid. See **T_COLDREF_MIN** option |
| **#Tbe<RefMin** | "Before evaporator" temperature too low. Preventing cold loop from freezing. See **T_COLDREF_MIN** option |
| **#Tbc>Max** | "Before condenser" temperatire is too high. Overheat protection. See **T_BEFORE_CONDENSER_MAX** option |
| **#Tci<ColdMin** | "Cold in" temperature is too low. Preventing cold loop from freezing. See **T_COLD_MIN** option |
| **#Tco<ColdMin** | "Cold out" temperature is too low. Preventing cold loop from freezing. See **T_COLD_MIN** option |
| **CWP_ON_CoMin** | Cold side pump started beause cold side temperature is too low, so preventing cold loop freeze, see **T_COLD_MIN** option |
**Additional messages**<br><br>
**Additional messages**
| Message | description |
| ------------- | ------------- |
| **OK:E.T.Sens.** | Sensor restored<br>
| **OK:Pr.Cold** | Cold side pressure restored<br>
| **OK:Pr.Hot** | Hot side pressure restored<br>
| **HWP_ON** | hot side pump powered on<br>
| **Err:_errorcode_** | Error code: 1 = temperature sensor error, 2 = Hot side pressure too high 3 = cold side pressure too low<br>
| **OK:Pr.Cold** | Cold side pressure restored|
| **OK:Pr.Hot** | Hot side pressure restored|
| **OK:E.T.Sens.** | Temperature sensors restored|
| **HWP_ON** | Hot side pump powered on|
| **Err:_errorcode_** | Error code: 1 = temperature sensor error, 2 = Hot side pressure too high 3 = cold side pressure too low|
## Firmware options and fine tunings