Voltas Inverter Ac Error Codes | Troubleshooting Voltas Error Code Models  IDU Code 1.0T Voltas SAC 123V Dyb  4551992 1.5T Voltas SAC 183V Dyb  4551993 SAC 123V DZU 4552240 SAC 183V DZU 4552241 Voltas Inverter Ac Error Codes 1 Time Timer light off  E0 Indoor unit EEPROM parameter error 2 Times Timer light off E1