Frigidaire FFSS2615TSO Refrigerator — Common Problems, Causes & How to Fix
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Understanding the Problem
This guide covers the most common problems you'll see on the Frigidaire FFSS2615TSO side-by-side refrigerator — not cooling, freezer frosting, water leaks, ice maker/water dispenser issues, and unusual noises — and gives step-by-step diagnostics and repair actions you can perform at home. 1) Refrigerator or freezer not cooling properly - Check temperature settings: Ensure refrigerator is set to 37°F (3°C) and freezer to 0°F (-18°C). Adjust and wait 24 hours. - Inspect condenser coils: Pull unit away from wall and vacuum/brush the coils and bottom housing. Dirty coils reduce cooling performance. - Check condenser fan motor: With power on, listen for the condenser fan near the compressor. If not running, replace the condenser fan motor. - Check evaporator fan motor: Open freezer and set to force fan on by opening door (some models run fan only when compressor runs). If compressor runs and air isn't moving from freezer to fridge, remove freezer back panel and inspect evaporator fan. Replace if noisy or not spinning. - Verify compressor and start relay: Listen for compressor hum. If compressor isn't running and relay clicks or smells burnt, test/replace start relay and overload. If compressor is dead, call a certified tech for sealed-system service. - Check air damper/evaporator flow: Make sure damper between freezer and fridge opens and closes. Replace damper motor/assembly if stuck. 2) Freezer frosting or ice buildup on evaporator - Symptom check: Heavy ice on evaporator indicates defrost failure. - Test defrost components: Unplug fridge, remove freezer back panel and test defrost heater and defrost thermostat/thermistor for continuity with a multimeter. - Check defrost control: Many Frigidaire units use an electronic control board for defrost timing; if heater and thermostat are OK but frost remains, suspect control board or thermistor. Replace failed parts. - Practical fix: Replace the faulty component (heater, thermostat or control board), then clear the ice by manual defrost (turn unit off and let ice melt into towels/drip pan) or by using warm water. Clear the drain tube of clogs after defrost. 3) Water leak inside or beneath refrigerator - Check defrost drain: A clogged or frozen defrost drain sends water into crisper drawers. Locate drain at the back of the freezer evaporator trough, clear with warm water or a small pipe cleaner and blow out with compressed air or turkey baster. - Examine water inlet valve and supply line: If water leaks near rear or under unit, inspect water supply line and inlet valve for cracks or loose fittings. Replace the inlet valve if leaking. - Check dispenser and icemaker connections: Inspect hoses and trays for cracks or displaced drain tubes. 4) Ice maker not making ice or water dispenser problems - Confirm water supply: Ensure water valve is turned on and water line is intact. - Test water inlet valve solenoid: Unplug unit, remove rear access and test inlet valve coils for continuity. Replace if open or intermittent. - Check icemaker module: The icemaker has a fill cup, thermostat and motor module. If it doesn't cycle, check for 120V at the module during a harvest cycle (requires meter and safety precautions) and replace module if no cycle. 5) Excessive noise (buzzing, rattling, humming) - Identify source: Compressor humming is normal but loud buzzing often means the start relay is failing. Rattling is often from loose panels, water lines, or ice maker components. - Fans: Noisy evaporator or condenser fans should be replaced. Ice maker fill valve can make a loud hammering sound when failing. Basic step-by-step replacement examples (evaporator fan motor): 1. Unplug refrigerator and turn off water supply if working near water components. 2. Remove food, shelves and freezer back panel to access evaporator and fan. 3. Disconnect wiring harness to fan motor and remove mounting screws. 4. Install new motor, secure mounting screws and reconnect harness. 5. Reassemble, plug in and test operation. Manual defrost and drain clearing: 1. Unplug refrigerator and remove freezer contents. 2. Place towels and a shallow pan to catch water. 3. Leave doors open and allow ice to melt or use a bowl of hot water to speed melting. 4. When ice is gone, locate drain at bottom of back panel and flush with warm water. 5. Reassemble and power back on. Safety note: Always unplug the unit before doing electrical work. When testing live circuits (voltage checks), use a multimeter only if you know how; otherwise call a technician. Refrigerant handling and compressor or sealed-system repairs must be performed by a certified HVAC/refrigeration technician per EPA regulations.
Common Symptoms
Not cooling in either compartment, frost build-up on evaporator, water leaks under fridge or in crisper, ice maker or dispenser not working, loud buzzing or rattling noises.
Common Causes
- Dirty condenser coils or blocked airflow
- Failed evaporator or condenser fan motor
- Defrost system failure (heater, thermostat/thermistor, or control)
- Faulty start relay/overload or failed compressor
- Clogged defrost drain or water inlet valve failure
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Helpful Repair Tip
To confirm a failed evaporator/defrost heater: unplug the fridge, remove the freezer back panel, and measure continuity across the heater with a multimeter. No continuity = replace the heater. When the heater is OK but evaporator is still iced, test the defrost thermostat/thermistor and defrost control board next.
Frequently Asked Questions
My freezer has a thick sheet of ice on the back wall. What should I check first?
Thick ice on the evaporator usually means the defrost system failed. First unplug and remove the freezer back panel to inspect: check for continuity on the defrost heater and the defrost thermostat/thermistor. If either is open, replace it. If both test good, suspect the defrost control (electronic board) or thermistor placement; also clear the defrost drain after defrosting manually.
The fridge is warm but the compressor runs. Is this a sealed-system problem?
Not always. If the compressor runs but temperatures are high, check airflow (blockages, dirty coils), condenser fan operation, evaporator fan operation, and door seal integrity first. If fans and coils are fine and you've confirmed proper voltage/current to the compressor but cooling is weak, it could be a sealed-system issue (low refrigerant or internal leak) which requires a certified refrigeration technician.
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