Whirlpool WRF535SMDM00 Ice Maker Not Working – What Part Fixes This?
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Understanding the Problem
If the ice maker in your Whirlpool WRF535SMDM00 has stopped producing ice (or is producing tiny, hollow or misshapen cubes), the problem is usually either a water supply/fill issue, a temperature/thermostat issue in the freezer, or a failed ice maker mechanism or control. This model uses a modular ice maker assembly and depends on a working inlet valve, a clear water line/filter, proper freezer temperature, and a functioning ice-maker motor/heater/thermistor to harvest ice. Start by confirming the freezer temperature is in the correct range (0°F to 5°F / -18°C to -15°C). Check that water is reaching the inlet valve (no kinks in the fill line) and that the water filter is not clogged. If those are fine, the next suspects are the ice maker assembly itself (motor or harvest heater), the water inlet valve, or the ice maker control/harness. Always disconnect power before testing or replacing parts and confirm part compatibility by checking the service tag on your refrigerator.
Common Symptoms
No ice production; very small or hollow cubes; ice stuck in the mold; continuous water running into the ice bin; freezer too warm; water leaking under fridge or into ice bin.
Common Causes
- Clogged or old water filter, blocked water line, or closed/shut-off water supply
- Failed water inlet (fill) valve that won't open or has low pressure
- Faulty ice maker assembly (motor, harvest heater, actuator or control module) or a bad temperature sensor/thermistor
Popular Parts That Fix This Problem
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Helpful Repair Tip
Quick check: Put an insulated thermometer in the freezer for 24 hours (should be 0°F to 5°F). Then press the ice maker’s test/reset button (or cycle power) and listen for the fill valve click. If freezer temp is correct and you hear no click, focus on the ice maker module or the inlet valve/harness.
Frequently Asked Questions
How do I reset the ice maker on a WRF535SMDM00?
To reset: open the freezer and locate the ice maker module. Press and hold the test/reset button (if present) for about 5–10 seconds until you hear the motor or hear a click, or power-cycle the refrigerator by unplugging or switching off the breaker for 60 seconds. After reset, allow 24 hours for a full cycle. If there is no response to a reset, proceed to check water supply, filter, and inlet valve.
Can I replace the ice maker myself and what safety steps should I take?
Yes, many homeowners can replace the ice maker assembly themselves. Safety steps: disconnect power to the refrigerator, shut off the water supply, remove ice and racks for access, and follow instructions for removing the old module and connecting the new one. Test the new unit by restoring power and running a manual test cycle. If you’re not comfortable with electrical testing, water connections, or confirming part compatibility, contact a professional technician.
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