E2
Hoshizaki Bin Thermostat or Bin Control Error

Digital display shows E2 and unit will not run a normal cycle

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Failed bin thermostat (mechanical style), Faulty bin control sensor (electronic style), Misadjusted bin thermostat, Open or shorted bin control wiring

How to Fix / Troubleshooting

Safety First: Disconnect power before working in the bin area.

  • Empty the bin: Remove all ice from the storage bin to ensure the bin control is not legitimately satisfied.
  • Identify bin control type: Mechanical thermostat types have a sensing bulb; electronic types use a sensor or optical system. Refer to the model’s manual.
  • Check mechanical thermostat: Rotate the thermostat knob through its range and listen for a click. If no click or if the unit does not respond, test continuity with a meter and replace if open.
  • Check electronic sensor: Inspect the sensor and wiring for damage. Clean any ice or debris from around the sensor. Reseat connectors at the control board.
  • Reset and test: Restore power and see if E2 clears. Run a test cycle and confirm the unit stops when the bin is actually full.

When to call a technician: If the bin control tests good but E2 persists, the control board may be misreading the bin input.

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Repair Difficulty

Medium 3/5

Required Part

Bin Thermostat / Bin Control Sensor
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