Installation guide
Owner’s manual
Error Codes
What are the most common problems with Kenmore refrigerators?
The most common problems we see on Kenmore refrigerators like model 2535567940B are cooling issues, water leaks, ice maker and dispenser troubles, and unusual noises. These problems usually trace back to airflow restrictions, dirty condenser coils, door seal leaks, or a defrost system issue; the 2535567940B owner's manual outlines several of these checks.
Most common symptoms and what usually causes them
- Not cooling or weak cooling: dirty condenser coils, evaporator fan problem, frost buildup from a defrost issue
- Runs too long or seems to never shut off: warm air leaks at the door gasket, dirty condenser, frequent door openings (manual notes gasket leaks can cause long run times)
- Water leaking or puddles: clogged defrost drain, cracked water reservoir, loose water line connections
- Ice maker or dispenser not working: frozen or clumped ice in the bin, low water flow from a restricted filter
- Noisy operation: fan blade hitting ice, worn fan motor, items vibrating against the cabinet
Quick checks we recommend before replacing parts
- Confirm controls are set correctly; the manual notes that setting controls to “0” stops cooling but does not disconnect power.
- Clean the condenser coils (a common cause of poor cooling and long run times).
- Inspect door seals for gaps, tears, or areas not sealing flat.
- Check for frost buildup on the freezer back wall (often points to a defrost problem).
- If water/ice is slow, replace the water filter and flush the system.
Parts that commonly solve these problems (when symptoms match)
| Symptom | Common part to check | Example part for 2535567940B |
|---|---|---|
| Warm temps with frost buildup | Defrost thermostat | Refrigerator defrost bi-metal thermostat 5303918214 |
| Door not sealing, sweating, long run times | Door gasket | Refrigerator freezer gasket 241786014 |
| Poor airflow, noise from freezer area | Fan blade damage | Refrigerator evaporator fan blade 5308000010 |
| Slow water dispenser or small ice cubes | Water filter restriction | Genuine Kenmore refrigerator water filter WF2CB |
Why it matters
Cooling, leaks, and ice maker issues often get worse when airflow is restricted or warm air leaks in. Fixing the root cause (coils, gaskets, defrost, filtration) helps protect food temperatures and reduces compressor run time.
If you need to order parts beyond the ones listed here, we recommend searching by model number on Sears PartsDirect.
Last updated: February 2026
Where is the model number on a Kenmore side by side refrigerator?
On Kenmore model 2535567940B side-by-side refrigerators, we find the model number on the serial plate inside the refrigerator compartment (fresh food section). Open the refrigerator door and look along the interior walls near the front edge for the rating label.
Where to look (fast checklist)
Check these common label locations inside the fresh food compartment:
- Side wall near the top front corner
- Side wall near the crisper drawers
- Ceiling area near the light housing
- Behind or beside the upper shelves (still visible without removing shelves)
- Along the door opening frame (the vertical face you see when the door is open)
What the label looks like
The rating label typically includes both identifiers you need:
| Item on label | What it tells you | Why you need it |
|---|---|---|
| Model number | The exact configuration (like 2535567940B) | Ensures parts fit and diagrams match |
| Serial number | The unit’s production identifier | Helps confirm version and production run |
Why it matters
We use the model number to match the correct Kenmore parts and diagrams for your exact refrigerator. Even small model differences can change door bins, gaskets, ice maker components, or the water filter style.
Helpful tip for parts and manuals
Once you find the label, write the model number exactly as shown and keep it with your paperwork. For model-specific diagrams and operating details, use the 2535567940B owner's manual. To confirm clearances, leveling, and water line setup, use the 2535567940B installation guide.
If you are ordering maintenance parts, this model commonly uses a front water filter; the manual references replacement cartridge 9911, and you can match that to the genuine Kenmore refrigerator water filter WF2CB. For broader part searching by model number, use Sears PartsDirect.
Last updated: February 2026
What is the code Sy Ef on a Kenmore refrigerator?
On a Kenmore refrigerator, the SY EF code points to a problem in the evaporator fan circuit, most often the evaporator fan not running or feedback not being detected. On model 2535567940B, start by checking for ice buildup blocking airflow and verifying the fan can spin freely; then follow the diagnostic steps in the owner's manual.
What to check first (fast, no parts)
- Power reset: Unplug the refrigerator for 5 minutes, then plug it back in (turning controls to “0” does not remove power).
- Freezer airflow: Make sure vents are not blocked by food packages.
- Ice buildup: Look for heavy frost on the freezer back wall (a defrost problem can stop airflow and trigger fan-related errors).
- Fan noise: Listen for the evaporator fan running when the doors are closed (use the door switch carefully).
- Door seal condition: A leaking gasket can cause excess frost and airflow issues.
Likely causes and common fixes
SY EF is usually tied to airflow and cooling in the freezer section. These are the most common culprits:
| Symptom you notice | Most likely issue | What we do next |
|---|---|---|
| Freezer warm, fridge warm | Evaporator fan not running | Inspect fan area for ice; test fan motor circuit |
| Heavy frost on freezer back wall | Defrost system problem | Check defrost thermostat and defrost heater circuit |
| Intermittent error, temps fluctuate | Loose connection or sensor issue | Reseat connectors; check temperature sensor |
| Frost near door edges | Door not sealing | Inspect/adjust gasket and door alignment |
Parts that commonly relate to SY EF on this model
If basic checks point to a failed component, these parts are commonly involved in evaporator fan and defrost-related problems:
- Refrigerator evaporator fan blade 5308000010 (damaged blade can stall the fan)
- Refrigerator defrost bi-metal thermostat 5303918214 (can prevent proper defrosting)
- Refrigerator sensor 240597220 (temperature feedback issues can contribute to cooling faults)
- Refrigerator freezer gasket 241786014 (air leaks can drive frost buildup)
Why it matters
When the evaporator fan cannot move cold air across the evaporator and through the compartments, temperatures rise and frost can build quickly. Addressing SY EF early helps protect food temperatures and prevents secondary issues like ice blockage and poor cooling.
You can order replacement parts for Kenmore 2535567940B from the parts list for this model, or search by model number on Sears PartsDirect.
Last updated: February 2026
How many cubic feet is my Kenmore refrigerator by model number?
Your Kenmore side-by-side refrigerator model 2535567940B has its exact cubic-foot capacity listed on the model and serial rating plate inside the fresh food compartment, and it is often also shown in the specifications section of the 2535567940B owner's manual. Using the rating plate is the fastest, most accurate method.
Where to find the capacity on the refrigerator
We recommend checking these spots in order:
- Rating plate inside the refrigerator compartment (most reliable; usually on a side wall)
- Specifications section in the 2535567940B owner's manual
- Product label information recorded with your paperwork (purchase documents, service notes)
- If you are comparing sizes for a replacement, measure the cabinet opening and door swing clearance too
Quick capacity expectations for side-by-side refrigerators
If you are estimating capacity for planning purposes, most side-by-side refrigerators fall into a fairly tight range.
| Refrigerator style | Typical capacity range | Best use |
|---|---|---|
| Side-by-side (like 2535567940B) | 20 to 26 cu. ft. | Balanced fridge and freezer space |
| Top freezer | 14 to 21 cu. ft. | Budget-friendly, simple layout |
| French door | 20 to 29 cu. ft. | Wide shelves, fresh food access |
Why the model number alone is not the best way
Model numbers can hint at series and features, but they do not consistently encode the exact cubic-foot rating. The rating plate and the 2535567940B owner's manual give the definitive spec for your exact configuration.
Related parts that affect usable space (not total cubic feet)
If you are trying to restore storage space (bins, drawers, shelves), these common replacements can help:
- Refrigerator crisper pan 240351061 (restores produce drawer capacity)
- Refrigerator door bin 240356402 (restores door storage)
- Refrigerator spill-safe shelf 240350117 (restores shelf space)
If you need additional replacement parts beyond these, we list the full parts breakdown for model 2535567940B on the model parts page, and you can also search by model number on Sears PartsDirect.
Last updated: February 2026
Why is my Kenmore side by side refrigerator not getting cold?
If your Kenmore 2535567940B side-by-side refrigerator is not getting cold, the most common causes are controls set incorrectly (including being set to “0”), dirty condenser coils, poor airflow from blocked vents, or a failed cooling/defrost component. Start with the quick checks in the 2535567940B owner's manual.
Quick checks that fix many “not cooling” complaints
- Make sure the freezer and fresh food controls are not set to “0” (that stops the compressor from cooling).
- Confirm the doors close fully and nothing is holding them open.
- Reduce door openings; after changes, allow 8 to 12 hours to cool down, and 24 hours for temperatures to stabilize.
- Check that food packages are not blocking air vents between compartments.
- Clean the condenser coils (dirty coils can keep the sealed system from shedding heat).
What to inspect next (common failure points)
If the basics look good, these are the most likely trouble spots on a side-by-side refrigerator:
- Evaporator fan airflow: if the fan is not moving air, the refrigerator section warms up even if the freezer is cold.
- Defrost system: heavy frost on the freezer back wall points to a defrost problem.
- Door gaskets: air leaks make the unit run longer and struggle to maintain temperature.
- Temperature sensing: a bad sensor can cause incorrect cycling.
Helpful parts for this model (when symptoms match)
| Symptom you see | What it often indicates | Example part for 2535567940B |
|---|---|---|
| Frost buildup, warm temps | Defrost control issue | Refrigerator defrost bi-metal thermostat 5303918214 |
| Door not sealing, sweating, warm temps | Air leak at door | Refrigerator freezer gasket 241786014 |
| Temps inconsistent or incorrect | Sensor issue | Refrigerator sensor 240597220 |
Why it matters
A refrigerator that is not cooling can be a simple setup or airflow issue, but running warm for long periods also forces the compressor to run longer and can lead to more expensive failures. Fast diagnosis protects food and reduces strain on the sealed system.
Ordering the right replacement part
We recommend matching parts by the full model number 2535567940B and comparing the part ID before ordering. You can order from the parts list for this model, or search by model on Sears PartsDirect.
Last updated: February 2026
