Hoshizaki Error Code Reference

Hoshizaki commercial ice machines display error codes when something needs attention. Here is what each code means.

E1 — Float Switch Error

Water level float switch malfunction. Inspect float for scale buildup or stuck position. Replace if necessary.

E2 — High Pressure Cutout

Head pressure tripped the safety switch. Clean condenser coil, check fan motor operation, verify ambient temperature is in range.

E3 — Low Voltage

Incoming voltage below specification. Check building electrical supply and the unit's incoming voltage at the terminal block.

E4 — Compressor Lock

Compressor unable to start. Could be locked rotor, run capacitor failure, or contactor issue.

E5 — Sensor Failure

Bin thermistor or evaporator thermistor reading out of range. Replace the affected sensor.

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Error codesHoshizakiIce machineTroubleshooting