Error Code 27
Mid drawer damper heater has an open or short circuit
Moderate
Address soon - your appliance may not work properly
Also displayed as: Error 27
What This Means
Damper heater element failed; Bimetal or wiring open; Connector CN75-11 to CN75-12 loose
What actually causes this:
The heater that keeps the temperature-control flap for the middle drawer from freezing shut has failed.
First Thing to Check
This is an internal component — call a service technician to check the mid drawer damper heater.
Parts Involved
How to Fix
- 1
Disconnect MAIN PCB CN75, measure resistance at CN75-11 to CN75-12: should be 135 ohm ±7%
- 2
0 ohm = heater short; infinite ohm = wire/bimetal open
- 3
Check MICOM IC01 pin #91 voltage: 3.5V-4.8V when heater off, 0V when heater on
Other Error Codes for RF23M8590SG
Humidity sensor in the fridge compartment has failed
Ice bucket compartment heater has an open or short circuit
Auto-fill water tank has detected an overflow
Refrigerator defrost sensor has failed or disconnected
Freezer defrost sensor has failed or lost connection
Freezer temperature sensor has failed or lost connection
Ambient room temperature sensor has failed
Refrigerator compartment temperature sensor has failed or disconnected