Hoshizaki HUR40A(-D) - Manual (Page 34)

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1. Alarm Display Priority
If multiple alarms occur simultaneously, only the alarm with the higher priority is
displayed.
Error Code Priority Description
ED 1 EEPROM Verification or Read Error Alarm
EA 2 EEPROM Write Error Alarm
E8 3
Defrost Temperature Sensor Malfunction
Alarm
E9 4 Clogged Filter Sensor Malfunction Alarm
E4 5 High Pressure Alarm
E7 6 Clogged Filter Alarm
E3 7 Defrost Alarm
E1 8 High Temperature Alarm
E2 9 Low Temperature Alarm