GE Icemaker Switch – What It Does and How to Fix It
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Understanding the Problem
Brief explanation: The "icemaker switch" on many GE refrigerators is the small on/off control (or the feeler/arm mechanism) that tells the icemaker to run harvest cycles or stops it when the ice bin is full. It can be a mechanical arm/feeler, a rocker/push switch on the icemaker module, or part of the icemaker control module. A bad switch can cause no ice, constant ice making, or intermittent operation. Diagnostic & repair steps (numbered): 1. Confirm symptom and basic checks: a. Remove the ice bin and observe the icemaker while the door is closed (use a flashlight). Is the motor attempting to turn? Any movement when you toggle the switch/arm? Note exact symptom: no harvest, no fill, keeps filling, or won’t stop. 2. Locate the switch/arm: a. Pull out the ice bin and locate the icemaker assembly in the freezer. The on/off control may be a rocker or pushbutton on the side/top of the icemaker or a metal/plastic feeler arm in front. 3. Basic mechanical test of the feeler arm: a. If your unit uses a feeler arm, move it up (off) and down (on) several times. If moving the arm changes behavior (stops/starts) the arm is working mechanically. If arm position doesn’t change behavior, proceed to electrical checks. 4. Electrical test of the switch: a. Unplug the refrigerator or switch off the breaker. Remove the icemaker module cover to access the switch/connector. b. Use a multimeter set to continuity or ohms. With the switch in the ON position, measure across the switch terminals. You should have continuity (or close to 0 ohms). In OFF position, open circuit. c. If the switch shows no change or stuck open/short, the switch is faulty. 5. Check power to the icemaker module: a. With power restored (take care, live voltage), use a multimeter to verify 120VAC (or model-specific voltage) is present at the icemaker module harness where it connects to the fridge wiring during a timed harvest. If there is no power, the issue may be wiring, control board, or door switch—not the icemaker switch. 6. Test icemaker module operation: a. Many GE icemakers have a test/reset button on the module. With the arm down (on), press the test button per the service manual to run a harvest cycle. If pressing test does nothing, the module or its power supply may have failed. 7. Inspect wiring & connector: a. Look for broken wires, corrosion on terminals, or damaged harness connectors. Wiggle test while watching for intermittent behavior. 8. Replace the switch or icemaker assembly: a. If the physical switch is a separate replaceable part and fails continuity testing, replace the switch per the part instructions. If the switch is integrated into the icemaker module or the module fails the tests, replace the whole icemaker assembly. b. Replacement steps (see detailed steps below). 9. Test after replacement: a. Reconnect power, return arm to ON, and force a test cycle using the module test button or by briefly cycling power to the refrigerator. Confirm the unit fills with water and performs a harvest/eject cycle. How to fix (practical replacement steps): 1. Tools needed: screwdriver set (usually Torx or Phillips), needle-nose pliers, multimeter, replacement switch or icemaker kit, gloves. 2. Power off: Unplug refrigerator or switch off the breaker. 3. Remove ice bin and any trim to access icemaker. Note orientation and wiring connections. Take a photo for reference. 4. Remove the two or three mounting screws securing the icemaker assembly to the freezer wall. Gently pull the assembly forward about an inch to access the harness connector. 5. Disconnect the icemaker harness by pressing the tab and pulling apart. If removing only a switch, open the icemaker cover and remove the switch retaining screw or release clip and pull the switch out of the module harness, then plug in the new switch. 6. Install new switch or new icemaker assembly: connect harness, seat the assembly, and reinsert mounting screws. 7. Return the ice bin and restore power. Set the arm/switch to ON and run a test/reset cycle (press module test button or follow manual) to confirm proper fill and harvest. 8. Observe for a full cycle or at least a motor turn and water fill. If fill works but harvest/eject doesn’t, the problem may be the module motor or gearbox and the whole assembly should be replaced. Safety note: Always disconnect power before working on wiring. If you are not comfortable with live-voltage checks, remove the module and replace the assembly instead of attempting electrical diagnosis. Use insulated tools and follow manufacturer instructions.
Common Symptoms
No ice production, icemaker won’t start, icemaker won’t stop making ice, icemaker ignores arm position, or intermittent operation of ice maker.
Common Causes
- Failed or stuck mechanical feeler/arm or on/off switch
- Faulty icemaker control module (internal switch integrated with module)
- Damaged wiring or connector between fridge and icemaker
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Helpful Repair Tip
To confirm a faulty switch, move the feeler arm (or toggle the switch) while watching the motor; if nothing changes and the switch shows no continuity with a multimeter, replace the switch or entire icemaker module.
Frequently Asked Questions
How do I find the correct replacement icemaker switch for my GE fridge?
Locate the refrigerator model number on the inside wall of the fridge or on the tech sheet (usually behind the kickplate or on the back). Remove the icemaker and check the label stuck to it — the icemaker part number is printed there. Use that number to order the correct replacement switch or assembly. If the switch isn’t sold separately, order the entire icemaker assembly for your model.
Can I replace just the switch or do I need to replace the whole icemaker?
Sometimes the on/off switch or feeler arm is sold separately and can be replaced by itself. However, many GE icemaker designs integrate the switch into the control module, so technicians commonly replace the entire icemaker assembly because it’s faster and more reliable. If the module itself has failed, replace the whole assembly.
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