Problems you may notice
• Refrigerator compressor not running or cycling abnormally
• Temperature display showing incorrect readings or flashing symbols
• Freezer or fresh food section not maintaining proper temperature
• Audible beeping or alarm sounds
• Inability to adjust temperature settings
• Error code 26 displayed on digital control panel
• Inconsistent cooling performance or complete loss of cooling
• Control panel unresponsive to button inputs
Possible Causes
• Faulty temperature sensor in the fresh food or freezer compartment
• Defective control board or main PCB (printed circuit board)
• Loose or corroded electrical connections between sensors and control board
• Damaged wiring harness connecting temperature sensors
• Failed thermistor or NTC sensor component
• Control board software malfunction or glitch
• Power supply issues affecting sensor signal transmission
• Sensor connector corrosion due to humidity in North American climates
Precautionary measures
• Verify the refrigerator is properly plugged into a grounded 120V outlet and the outlet is functioning
• Ensure both the refrigerator door and freezer door are fully closed and sealing properly
• Check that the temperature control settings are set to normal operating levels (typically 37-40°F for fresh food section)
• Unplug the refrigerator for 60 seconds, then plug it back in to reset the control system
• Alternatively, turn off the circuit breaker powering the refrigerator for 60 seconds, then restore power
• Inspect the back of the refrigerator to ensure air vents are not blocked by dust, debris, or objects
• Confirm the refrigerator is standing level on all four feet using a level tool
• Wait 24 hours after power restoration to allow the appliance to fully stabilize before assessing if the error persists
• If Fault Code 26 continues to display after these checks, contact a professional appliance repair technician or appliance repair support service for further diagnosis and component replacement
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