The Indesit HM312NI Refrigerator has some known problems that occur often. Here are some easy to do solutions for the problems or error codes your Indesit might be giving you.
The appliance is not operational.
The refrigerator or freezer doors are not sealing correctly.
The doors are opened too frequently causing temperature imbalance.
The temperature adjustment knob is not set properly.
The refrigerator or freezer is overfilled.
Frost thickness in the freezer exceeds 2-3 mm.
The outside ambient temperature is very high affecting appliance performance.
The appliance has not been installed on a level surface.