Rotenso WINDMI Series - Page 49

49User manual
Wired control - ORIS
EN
Alarm code Description
Ed Reserved
EE Reserved
EF Mode conict (reserved)
P0
EEPROM fault
P1 Protection of huge dierent values between EWT and LWT
P2 Protection of lack of water
P3 Protection of abnormal dierent value between EWT and LWT
P6 Protection of standard electrical heater over heat
Note:
1. When it is displayed the E5-ODU alarm, that needs to check the alarm on the IDU PCB for more detail.
2. P0-P3 will only be displayed after it occurs 3 times in 1h, and can’t resume unless repower the system.