BSO/in-07HN8_22Y BSO/in-09HN8_22Y BSO/in-12HN8_22Y BSO/in-18HN8_22Y BSO/in-24HN8_22Y BSO/out-07HN8_22Y BSO/out-09HN8_22Y BSO/out-12HN8_22Y BSO/out-18HN8_22Y BSO/out-24HN8_22Y E1 - Indoor unit EEPROM parameter error   E2 -  Zero-crossing signal detection error E3 -  The indoor fan speed is operating outside of the normal range E5 -  Indoor room temperature sensor T1 is in open circuit or has short circuited  E6 -  Evaporator coil temperature sensor T2 is in open circuit or has short circuited  E7...