Hoshizaki Error Code and Repair Guides - 25 Guides
Hoshizaki refrigeration troubleshooting hub with 25 guides for fault codes, alarms, symptoms, parts checks, and repair decisions.
Use this page when your Hoshizaki ice machine, reach-in cooler, freezer, or prep table throws an alarm. Start with the exact code, then work through the matching guide for probe faults, defrost issues, water flow problems, warm box alarms, and ice production failures.
Tip: search the exact brand, model, and alarm together, for example "Hoshizaki E2" or "Hoshizaki freeze cycle timeout".
Start With These Hoshizaki Guides
Hoshizaki FAQ
Where should I start with Hoshizaki error codes?
Start with the exact Hoshizaki model and displayed code or alarm, then open the closest guide on this page. Match the symptom, recent service history, and any secondary codes before resetting the equipment or ordering parts.
Do Hoshizaki fault codes always mean a bad control board?
No. Many Hoshizaki codes point to airflow, water flow, sensors, wiring, power quality, filters, switches, or operating conditions. Check the simple causes in the guide before replacing an expensive board.
When should I stop troubleshooting a Hoshizaki fault myself?
Hoshizaki refrigeration faults can involve high-voltage controls, refrigerant, water valves, defrost heaters, or food-safety temperature risk. Stop and use the repair checklist or compare service options when the guide points to gas, refrigerant, line voltage, sealed-system work, food-safety temperatures, or repeated faults after a reset.
| Error Code | What It Means | Guide |
|---|---|---|
| Hoshizaki E7 Drain Valve Error Code | Hoshizaki E7 drain-valve fault guide for solenoid coils, mineral scale, drain wiring, control-board relays, cleaner, and harvest-cycle checks. | Fix → |
| Hoshizaki Ice Machine Error Codes and Beeps | Hoshizaki ice machine guide for freeze, harvest, thermistor, float switch, water-fill, hot-gas valve, and compressor fault patterns. | Fix → |
| Hoshizaki C-101BAH and C-201BAH Error Codes | Hoshizaki C-101BAH and C-201BAH countertop ice-maker guide for E1-E6 and F-series faults, water-level problems, harvest issues, and bin controls. | Fix → |
| Hoshizaki KM-1301SAH Error Codes | Hoshizaki KM-1301SAH guide for E1-E6 ice-machine faults, fill errors, float switches, harvest timeouts, bin stats, and fan checks. | Fix → |
| Hoshizaki KM-901 Error Codes | Hoshizaki KM-901 fault codes E1 through E8 explained. Check harvest, thermistor, fan, pressure, water, and control-board problems. | Fix → |
| Hoshizaki E1 Water Inlet Fault | Hoshizaki E1 means the ice machine did not fill fast enough. Check water pressure, inlet valve strainers, float switch scale, and supply valves. | Fix → |
| Hoshizaki KM-1301 Error Codes | Complete Guide | Fix → |
| Hoshizaki DKM-500 Error Codes | Hoshizaki DKM-500 dispenser fault guide for bin controls, water fill, harvest, freeze, sensor, and service checks before parts replacement. | Fix → |
| Hoshizaki E2 Harvest Fault | Hoshizaki E2 means ice did not release during harvest. Check scale on the evaporator, harvest valve operation, refrigerant charge, and ice guides. | Fix → |
| Hoshizaki E3 Error Code | Causes & Fix | Fix → |
| Hoshizaki E4 Error Code | Causes & Fix | Fix → |
| Hoshizaki E5 Error Code | Causes & Fix | Fix → |
| Hoshizaki E6 Error Code | Causes & Fix | Fix → |
| Hoshizaki E7 High Pressure Switch Fault | Hoshizaki E7 means the high-side pressure switch tripped. Check condenser airflow, fan operation, ambient heat, and refrigerant service needs. | Fix → |
| Hoshizaki E8 Low-Side Pressure Fault | Hoshizaki E8 means the low-side pressure switch opened. Check low charge, restrictions, iced evaporator, leaks, and switch faults before restart. | Fix → |
| Hoshizaki E9 Compressor Overload | Hoshizaki E9 means compressor overload or thermal cutout. Check condenser airflow, start relay, capacitor, pressure issues, and ventilation. | Fix → |
| Hoshizaki E9 Error Code | Causes & Fix | Fix → |
| Hoshizaki F-450 Flaker Error Codes | Hoshizaki F-450 flaker guide for freeze-up, auger, float-switch, bin-control, water-feed, gearmotor, and high-pressure faults. | Fix → |
| Hoshizaki F01 Error Code | Causes & Fix | Fix → |
| Hoshizaki F1 Error Code | Causes & Fix | Fix → |
| Hoshizaki F2 Error Code | Ice Full Sensor Fault Causes & Fix | Fix → |
| Hoshizaki Ice Machine E8 Error Code | Low Pressure Switch Fault | Fix → |
| Hoshizaki KM Series E1 Error Code | Long Freeze or Harvest Cycle | Fix → |
| Hoshizaki KM-330 Error Codes | Fix Guide | Fix → |
| Hoshizaki KM-515 Error Codes | Fix Guide | Fix → |