Samsung · Refrigerator
Samsung Refrigerator 40E Error Code
Ice room fan not operating
What this error means
40E means the fan that circulates air through the ice room failed to spin or report RPM. Dual ice maker models stop producing ice in the fridge-side bucket while the code is active.
How 40E is detected
Samsung refrigerator models lock the door or lid before energizing fill, heat, or high-speed spin. 40E means the latch switch never sent a "locked" signal to the main control, or the lock motor did not complete its travel. On Samsung RF28R6241SR, Samsung RF23M8070SR, and similar variants, clothing caught in the gasket, a misaligned strike, or a failed latch assembly are the most common mechanical causes—not the board itself.
Inspect the door gasket perimeter and strike alignment before replacing the latch. Ice buildup around the ice room fan from humid air infiltration is reported frequently on this code. After correcting mechanical issues, turn off ice maker, unplug 4 hours minimum to melt ice room frost. If the latch clicks but 40E persists, the door lock switch or wiring harness to the control board likely needs testing with a multimeter.
Do not force the door open during an active cycle; wait for the lock to release when the board de-energizes the lock motor—usually two to three minutes after canceling power on most Samsung units.
Common causes
- Ice buildup around the ice room fan from humid air infiltration
- Failed ice room fan motor
- Loose connector at the ice duct harness
- Defrost fault refreezing the ice room weekly
Step-by-step fixes
- 1Turn off ice maker, unplug 4 hours minimum to melt ice room frost
- 2Verify the ice room door or duct seal closes fully—no gap at the gasket
- 3Power back and listen for a faint whir when ice maker calls for cooling
- 4Keep freezer at 0 °F or below to reduce ice room frost load
When to call a technician
Fan blade free with silence powered on needs ice room fan motor replacement.
Affected models
- Samsung RF28R6241SR
- Samsung RF23M8070SR
- Samsung RF27T5501SR
Prevention & maintenance
- Wipe the door gasket weekly and avoid overloading items against the seal—40E often starts as a slow leak or latch misalignment.
- Record when 40E appears in the cycle and whether it clears after a 60-second power reset on your Samsung refrigerator—that detail speeds diagnosis if you call service.
- Keep the model and serial number from the rating plate when ordering parts for 40E; Samsung uses multiple revisions with different harness lengths and board firmware.
- Photograph wiring connector orientation before disconnecting any component while troubleshooting 40E; reversed plugs on pumps and valves cause immediate repeat faults.