Rotenso WINDMI Series - Error Code Reference; Alarm Code Descriptions

48
User manual
Wired control - ORIS
EN
5. ERROR CODE
This wired controller is also worked as the detector to display the alarm of the unit as follow table:
Example: E1
This wired controller is also worked as the detector to display the alarm of the unit as follow table:
Alarm code Description
E0 Water ow switch fault
E1 Communication fault between IDU board and ODU board
E2 LWT of unit sensor (T1 sensor) fault
E3 Gas refrigerant temp sensor (T2 sensor) fault (reserved)
E4 Liquid refrigerant temp sensor (T2B sensor) fault (reserved)
E5 ODU (module part) alarm
E6 DHW sensor (T5 sensor) fault
E7 EWT sensor (T_in sensor) fault
E8
LWT of BPHE sensor (T_out sensor) fault
E9 Communication fault between wired controller and function board
EA
Second zone LWT sensor (Tw_2 sensor) fault (Only valid after setting second zone
function, reserved)
Eb
External heat source LWT sensor (T1B sensor) fault (Only valid after set the external heat
source – boiler)
Ec Water pump fault