1. Defrost-heater or defrost-thermistor failure (most common)
What it is: A frozen-over evaporator chokes airflow to the fresh-food side. Common on PFE / PYE units 4–8 years old — failed sheath heater or open thermistor leaves the evap iced solid even though the freezer reads correctly.
Fix: Replace OEM defrost heater and thermistor pair, manually defrost the evaporator, verify a defrost cycle completes within 8 hours.
Typical all-in: $325–$465 all-in
2. Evaporator fan motor seized
What it is: DC evap fan stops spinning. Freezer holds for 6–12 hours on stored cold, but the fresh-food side warms within 4–8 hours because no air is being pushed forward.
Fix: Replace OEM GE evap fan motor (Profile uses a sensored DC motor — generic motors will trip a fan-fault code).
Typical all-in: $295–$385 all-in
3. Damper-control motor stuck closed
What it is: The motorized air damper between the freezer and fresh-food compartment fails closed. Freezer stays at setpoint, fresh-food climbs into the 50s.
Fix: Replace OEM damper-control assembly, verify open / close cycle through the control board diagnostics.
Typical all-in: $315–$425 all-in
4. Frost-blocked freezer evaporator (drain-tube ice)
What it is: Defrost water refreezes in the drain trough and backs up into the evaporator. Common on PFE / PYE in soft-water homes or after a power outage that interrupted a defrost cycle.
Fix: Manual defrost, install GE drain-tube heater kit, verify drain path clear.
Typical all-in: $285–$395 all-in
5. Main control board (less common)
What it is: Main board fails to command defrost reliably. Usually a secondary diagnosis after the heater, thermistor, and fan have been verified good.
Fix: Replace OEM GE main control board, re-flash if required, verify defrost cycle.
Typical all-in: $425–$565 all-in
6. Sealed-system / compressor (least likely on Profile)
What it is: True sealed-system failure on GE Profile is rare and usually presents as BOTH sides warm — not freezer-cold / fridge-warm. Confirmed only after defrost, fan, and damper are ruled out.
Fix: EPA Section 608 recovery, compressor or evap replacement. Separately quoted — usually evaluated against replacement.
Typical all-in: Quoted on-site