On Samsung standalone freezers, 33E points to the ice pipe heater — a small heating element that keeps the water fill tube for an attached ice maker from freezing solid between cycles. This code comes from the same shared code family used on Samsung’s refrigerator line.
What triggers 33E
- An ice pipe heater element that has burned out and no longer keeps the fill tube from icing over
- A wiring connector to the heater that has corroded or come loose from vibration
- A control board that is sending power to the heater but not receiving confirmation it is working
- Extreme ice buildup around the fill tube from a long-standing heater failure that has gone unnoticed
What to look for
- If your freezer has an ice maker attachment, check whether ice production has slowed or stopped, since a frozen fill tube often accompanies this code
- Inspect the fill tube area, if accessible, for a visible ice blockage rather than a clear line
- Note how long ago ice production last seemed normal, since that timeline helps narrow down whether this is a new failure or a gradual one
- Avoid pouring warm water on the tube to thaw it, since that can damage nearby wiring or plastic housings
Because the ice pipe heater is a low-wattage element wired directly into the control board’s output, confirming whether it has failed requires checking for continuity and proper voltage rather than a visual inspection alone. A heater that has failed will not thaw the tube on its own, and repeated ice buildup can eventually stress the fill tube itself.
Have 33E checked through our freezer repair service.
Independent repair resource, not affiliated with Samsung Electronics.
