If chest freezer green light is off?

Condition 1: compressor is working

a. if green light bulb is broken?

Check-point: take down it to check

Counter measuring: replace bulb

b. if the socket of the green indicator is loosening?

Check-point: check loose

Counter measuring: secure the pin

Condition 2: compressor is not working

a if the connection is loose?

Check-point: take down the thermosat assembly to check

Counter measuring: secure the connection.

b. if the knob of thermostat not correctly placed?

Check-point: check the thermostat

Counter  measuring: turn to work position