33 E Moderate Moderate DIY

Samsung Refrigerator 33 E — Ice Pipe Heater Error

Samsung Refrigerator · Error code 33 E

What 33 E Means

The small heater that prevents the water/ice fill tube from freezing is open-circuit or not drawing the expected current. Left unfixed, the tube ices over and the ice maker stops filling.

Symptoms

  • Ice maker stops producing ice
  • Ice in the fill tube
  • 33 E on display
  • Water leaks if tube backs up

Common Causes

1
Open ice pipe heater

Heater element has failed — common after several years.

2
Disconnected heater harness

Connector behind freezer back panel unseated.

3
Main PCB driver failure

Less common — board can't switch heater on.

How to Fix It

  1. Unplug the fridge.
  2. Pull the freezer rear panel and locate the ice pipe heater (wrapped around the fill tube).
  3. Measure resistance — should read a finite value (varies by model; open = bad).
  4. Replace the ice pipe heater if open.
  5. Reseat the harness and verify continuity back to the main PCB.
  6. If heater is good but doesn't get power, replace the main PCB.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement Ice pipe heater View on Amazon→

More Samsung Refrigerator Codes

21E 21E / 21C — Freezer Fan Fault 22 C 22 C — Fridge Fan Open Circuit 22E 22E / 22C — Fridge Fan Fault 39 C 39 C — Ice Maker Communication / Sensor Error 39 E 39 E — Ice Maker Function Error 40 E 40 E — Freezer Fan Error

All Samsung codes → All refrigerator codes →

Verified against manufacturer documentation: samsung.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.