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Error code reference

Franklin Ice Maker Error Code FULL

The ice collecting bin has reached maximum capacity and ice is touching the temperature sensor, causing the…

Franklin codesFranklin ice maker codes

The ice collecting bin has reached maximum capacity and ice is touching the temperature sensor, causing the ice maker to stop operating.

First step from the service manual

Remove some ice from the bin to free the temperature sensor.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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  • Wiring diagram references and connector pinouts from the OEM service manual
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What FULL means on a Franklin ice maker

The FULL code on a Franklin ice maker is a capacity indicator, not a malfunction or fault condition. It activates when the accumulated ice in the collection bin rises to the point where it makes physical contact with the temperature sensor positioned near the top of the bin. This sensor monitors the thermal environment at that location, and when ice touches it, the sensor registers the low temperature as confirmation that the bin has reached its maximum usable capacity. The control board then halts the ice-making cycle until the bin level drops.

The temperature sensor acts as both a safety and operational control device. Its placement is deliberate: it sits at the fill threshold of the bin so that contact with ice provides a reliable, physics-based shutoff trigger. When ice melts or is removed and the sensor warms back up to ambient air temperature, the control system interprets this as available bin space and resumes the production cycle automatically. No components are failing when this code appears under normal conditions.

Problems arise when the FULL code appears despite the bin being partially empty or not visually full. In these cases, the sensor itself may be malfunctioning, producing a false low-temperature reading, or ice may have bridged or clumped around the sensor without filling the bin. A dirty or frosted-over sensor can also interfere with accurate temperature detection. Distinguishing a genuine full-bin condition from a sensor fault is the critical first diagnostic step.

Source: manufacturer service documentation.

Common causes of FULL

  1. 01

    Bin genuinely at maximum capacity

    Wiring / connection

    The most frequent cause is simply that the ice bin has filled to its designed limit. Removing a scoop or two of ice will free the temperature sensor and allow the machine to resume normal operation.

  2. 02

    Ice bridging or clumping around the sensor

    Wiring / connection

    Ice can fuse into irregular clumps that extend upward and contact the sensor even when the overall bin level is low. Breaking up the clumped ice and redistributing it in the bin typically resolves this without any parts replacement.

  3. 03

    Frost or ice buildup directly on the sensor

    Wiring / connection

    A layer of frost on the temperature sensor can cause it to register a falsely low temperature, mimicking the full-bin condition. Inspect the sensor surface and gently clear any frost accumulation.

  4. 04

    Faulty or out-of-calibration temperature sensor

    Part replacement

    If the FULL code persists after the bin has been cleared and ice clumps have been broken up, the sensor may be reading incorrectly due to internal failure. A technician can test the sensor output and replace it if it is not responding accurately to ambient temperatures.

  5. 05

    Infrequent ice usage allowing overfill

    Wiring / connection

    In low-use environments, ice production can outpace consumption, causing the bin to reach capacity and stay there for extended periods. Increasing usage frequency or adjusting the production schedule will prevent repeated FULL codes.

See the test procedure for each cause

Frequently asked questions about FULL

What does FULL mean on a Franklin ice maker?
The FULL code means the ice collection bin has reached its maximum capacity and ice is physically touching the temperature sensor inside the bin. The sensor detects this contact as a low-temperature signal and the control board pauses ice production in response. This is a normal operational condition, not an error or equipment failure. The machine will resume making ice automatically once the ice level in the bin drops below the sensor.
How do I fix the FULL code on my Franklin ice maker?
Remove a portion of the ice from the bin so that the temperature sensor is no longer in contact with the ice surface. The machine should detect the warmer ambient air around the sensor and restart the ice-making cycle on its own within a few minutes. If the code remains after clearing the bin, check for clumped or bridged ice near the sensor and break it up before investigating the sensor itself for faults.
Will resetting the Franklin ice maker clear the FULL code?
A power reset alone will not permanently clear the FULL code if the bin is still at capacity, because the temperature sensor will immediately re-trigger the condition when the machine powers back on. The correct fix is to remove ice from the bin first, then allow the machine to resume normal operation. A reset can be useful after clearing the bin if the machine does not restart automatically within a reasonable amount of time.
Is the FULL code on a Franklin ice maker a safety concern?
No, the FULL code does not indicate a safety hazard. It is a capacity management function designed to prevent the machine from overproducing ice and causing overflow or mechanical strain. The machine is operating exactly as intended when it displays this code. Simply removing ice from the bin resolves the condition without any risk to the appliance or the user.
How much does it cost to repair a Franklin ice maker showing a FULL code?
In most cases, resolving the FULL code costs nothing because it only requires removing ice from the bin. If the code is caused by a faulty temperature sensor that needs replacement, repair costs typically range from around 75 to 200 dollars depending on parts and labor rates in your area. Getting a diagnostic assessment from a technician first is worthwhile to confirm whether the sensor is actually defective before purchasing any parts.

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