CONCERN: Customer reports GE refrigerator is not getting cold on refrigerator side. Model GSH25JSXNSS DIAGNOSTIC AND CAUSE: Inspected compressor operation, evaporator fan and condenser fan operation, all normal. Found frost build up on evaporator coils. Tested defrost heater for continuity, Found defrost heater and limiter shorted. CORRECTION: Replaced defrost heater and limiter. Tested operation, all normal upon completion.