
Part no. :
Delta model no. : HEC2010FFA
Page 16
2-4. Alarm Logs & Fault Processing
Alarm Items
Type of alarm
Alarm code
Temperature protection
alarm
Evaporator low temperature alarm
E 2.1
Cabinet high temperature alarm
E 2.2
System high pressure alarm
E 2.4
System high pressure frequent alarm
E 2.5
Temperature sensor
abnormality
Cabinet temperature sensor fault alarm
E 3.1
Evaporator temperature sensor fault alarm
E 3.2
Condenser temperature sensor fault alarm
E 3.3
Ambient temperature sensor fault alarm
E 3.4
Fan exception
Internal fan exception alarm
E 4.1
External fan exception alarm
E 4.2
Emergency fan exception alarm
E 4.3
Voltage exception
AC input over voltage alarm
E 5.1
AC input under voltage alarm
E5.2
AC power down alarm
E5.3
AC communication alarm
E5.4
DC input over voltage alarm
E5.5