Janani cool care

This is more than likely caused by a lack of power but could indicate other problems too..

Haier AC Thermostat not set properly
Haier AC Emergency switch or shut-off switch turned off
Haier AC Blown fuse in panel box
Haier AC Circuit breaker tripped or off
Haier AC Outdoor disconnect turned off
Haier AC Off on outdoor reset button
Haier AC Unit locked out (reset by turning off then turning back on)