My heir AC deluxe series was working fine till two days back but last morning whn i on/off it with remote control it did not responded, but when i press the on button on pannel on AC, it stated working in preset auto mode (whic is fixed) , now no function is operating through remote control like temp setting , air, swing etc, eitehr not on/off by remote control. i havce checked with remote its working fine with other unit so no issue with remote. now wat could be the reason ?? Plz help required if someone has faced the same issue.
Thanks