MODBUS communication function
HECR 5-14
5.10.2 Alarm flag
Each type of alarm which occurs in the product is read with the following assignment.
Alarm given off status
0= Not occurred
1= Occurred
ERR11 DC power supply failure
ERR12 Internal temperature sensor High temperature failure
ERR13 Internal temperature sensor Low temperature failure
ERR15 Abnormal output alarm
ERR16 Low circulating flow rate alarm (option)
ERR17 Internal temperature sensor disconnection alarm
ERR18 External temperature sensor disconnection alarm
ERR19 Abnormal auto tuning alarm
ERR20 Low fluid level alarm
WRN Temperature upper limit
WRN Temperature lower limit