Hoshizaki HWR68A(-D) Temperature Display, Switching the Display Between Fahrenheit and Celsius F5

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2. Temperature Display

•Displays the cabinet temperature. The factory setting is °F. To change the display to the °C scale, see "a) Switching the Display Between Fahrenheit and Celsius (F5)" below.

•The cabinet temperature is updated every 30 seconds.

•During defrost, "dF" is displayed in place of the cabinet temperature.

a)Switching the Display Between Fahrenheit and Celsius (F5)

The factory setting is °F. To change the display to °C, follow the steps below.

1)Press and hold both the button and the unmarked, blank button for 5 seconds. "F5" appears in the display window. (If "F0" is displayed, press the MANUAL DEFROST button until "F5" appears.)

2)Press the unmarked, blank button to display the current setting (default: "F"). Press

the up or down button to switch to °C. Press the unmarked, blank button again to save the setting.

3)Press and hold both the button and the unmarked, blank button for 5 seconds. The cabinet temperature will be displayed using the newly saved temperature scale.

4)Affix the "°C" label supplied with the unit to the display panel, covering "°F" but not the display window.

b)Adjusting the Setpoint Temperature

The setpoint temperature is the temperature at which the compressor turns on. To set the setpoint temperature, follow the steps below.

1)Press the button to display the current setpoint temperature.

2)To change the setpoint, press and hold the button while pressing the up or down button to raise or lower the setpoint.

Model

Allowable Setpoint Range

Default

Refrigerator (auxiliary code Q5 and earlier)

 

39°F

+21 to +53°F

(4°C)

 

Refrigerator (auxiliary code Q6 and later)

(-6 to +12°C)

37°F

 

(3°C)

 

 

Freezer (Door)

 

0°F

-13 to +19°F

(-18°C)

 

Freezer (Drawer)

(-25 to -7°C)

2°F

 

(-17°C)

 

 

3) After 10 seconds, the new setpoint will be saved automatically.

Note: For refrigerators, the temperature differential for the compressor to turn off is -4.5°F (-2.5°C) for auxiliary code Q5 and earlier and -3.6°F (-2.0°C) for auxiliary code Q6 and later. For 1-section freezers, it is ‑6.3°F (‑3.5°C) and for 2-section freezers, it is -3.6°F (-2.0°C).

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Contents Superior Degree Reliability Energy Star Contents Page Specifications Nameplate Ratings DimensionsUndercounter Model Names HUR40A, HUF40A Units mm 1a. HUR40A-D, HUF40A-D HWR40A, HWF40A 2a. HWR40A-D, HWF40A-DHUR68A, HUF68A 3a. HUR68A-D, HUF68A-DHWR68A, HWF68A 4a. HWR68A-D, HWF68A-DHUR96A Units mm 5a. HUR96A-D HWR96A Units mm 6a. HWR96A-D II. General Information Construction Evaporator CaseSequence of Operation and Timing Charts Refrigerators Continuous Operating ModeSequence of Operation Timing Chart OperatingFreezers Continuous Operating Mode Freezers Continuous Refrigerators Energy Saving Operating Mode Defrost End Defrost thermistor reaches defrostEnergy Freezers Energy Saving Operating Mode Board Self Check Minute DelayFreezers Energy Start-Up Delay Control BoardRelay Wiring Harness K311 Thermistor Wiring Harness K151Rear FrontSettings and Diagnostics Gaining Access to Settings and DiagnosticsTemperature Display Switching the Display Between Fahrenheit and Celsius F5Adjusting the Setpoint Temperature Cabinet Temperature Correction calibration factor Settings and Diagnostics Menu Later SectionDefrost Termination Temperature F1 Defrost Interval F0Setpoint Temperature Differential F2 High Temperature Alarm Delay Time F3 Low Temperature Alarm Delay Time F4Temperature Display Scale F5 Alarm History F6Compressor Run Time F7 Operating ModesPerimeter Frame Heater ContinuousEnergy Saving III. Service Diagnosis Alarm Codes Alarm Signals Alarm Code ProblemAlarm Display Priority Error Code Priority DescriptionAlarm Details and Countermeasures High Temperature Alarm E1Reset Options Possible CausesLow Temperature Alarm E2 Defrost Alarm E3 High Pressure Alarm E4Clogged Filter Alarm E7 Defrost Temperature Sensor Malfunction Alarm E8 Clogged Filter Sensor Malfunction Alarm E9 Control Board Error Alarms EA and ED Diagnosis Chart Problem Possible Cause RemedyProblem Possible Cause Remedy Problem Possible Cause Remedy Thermistor Check IV. Removal and Replacement of Components Service for Refrigerant LinesRefrigerant Recovery BrazingEvacuation and Recharge Removal and Replacement of Refrigeration Unit Removal and Replacement of CompressorRemoval and Replacement of Evaporator Page Page Removal and Replacement of Thermistors Cabinet ThermistorDefrost Thermistor Clogged Filter Thermistor sensorRemoval and Replacement of Door Gasket Removal and Replacement of Defrost HeaterRemoval and Replacement of Control Board Removal and Replacement of Fan Motors Door Re-Hinging and Drawer ConversionCondenser Fan Motor Evaporator Fan MotorCleaning and Maintenance Instructions CleaningMaintenance Air FilterShelves Drawers115/60/1 A2. HUR40A-D, HWR40A-D auxiliary code Q6 and later HUF40A-D, HWF40A-D C1. HUR68A, HWR68A auxiliary code Q5 and earlier C2. HUR68A-D, HWR68A-D auxiliary code Q6 and later HUF68A-D, HWF68A-D HUR96A-D, HWR96A-D
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