D. Display Icons
Display icons inform you of energized components and if the unit is in alarm.
Display Icons
Icon
Meaning
Compressor
Steady: Compressor running.
Flashing: • Compressor delay timer. Compressor will start within 3 minutes.
• In temperature setpoint adjustment mode. For temperature setpoint adjustment, see "II.C.2 Adjusting the Temperature Setpoint."
Defrost
Unit is in defrost cycle. See "II.G. Defrost" for details.
Evaporator Fan
Evaporator fan is running. Evaporator fan is
Alarm
Unit is in alarm. See "II.E. Alarm Safeties" for details.
E. Alarm Safeties
Alarm signals are designed to protect the unit and items inside. These alarms give information or warnings in the event the unit is operating out of acceptable parameters. Should one of the alarms occur, follow the instructions below to address the alarm. The alarm icon appears on the display and the alarm code alternates with the cabinet temperature. For high temperature, low temperature, and door alarms, the unit beeps in addition to displaying the alarm icon and alarm code.
To obtain the name and phone number of your local Hoshizaki Certified Service Representative, visit www.hoshizaki.com.
Alarm Signals
Alarm Code | Problem | Corrective Action | |
| High Temperature Alarm | If obvious corrections such as closing the | |
|
| door and cleaning the condenser do not | |
AH | Cabinet temperature has exceeded the setpoint | bring temperature back in range, contact a | |
temperature by 10°F for more than 2 hours after | qualified service technician. | ||
| |||
| startup or 1 hour after setpoint has been achieved |
| |
| for the first time. |
| |
| Low Temperature Alarm | If obvious corrections do not bring the | |
AL |
| temperature back in range, contact a | |
Cabinet temperature has remained below the | qualified service technician. | ||
| |||
| setpoint temperature by 10°F for more than 1 hour. |
| |
|
|
| |
Ld | Door Open | Close the door. | |
Door has been open for more than 10 minutes. |
| ||
|
| ||
| Cabinet Thermistor Malfunction Alarm | Contact a qualified service technician. | |
Pr1 |
|
| |
| Cabinet thermistor has failed. | Unit cycles 10 min. on, 10 min. off. | |
|
|
|
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