Hoshizaki HUR40A(-D), HWR40A(-D), HUR96A(-D), HUR68A(-D), HWR68A(-D) service manual Energy

Page 18

							Refrigerators –	b)
Defrost Termination Temperature								Timing Chart
	Defrost Thermistor
	No meaning
	Setpoint + Differential (+)
	Setpoint + Differential (+)						Energy
	Cabinet Thermistor
	Setpoint + Differential (--)

			2 min.				Saving
	ON	(Min. ON)
	ON
	Compressor
	Compressor
	OFF	2 min.	2 min.		5 min.		Operating
		2 min.	2 min.		5 min.
	ON	(Start Delay)	(Min. OFF)		(Drain Delay)
	ON
	Condenser Fan
	OFF
18	ON						Mode
	Evaporator Fan(s)
	OFF
	OFF	*	Intermittent	*	5 min.	Intermittent
			Intermittent			Intermittent	*
			Operation			Operation	*
	ON		Operation		(Fan Delay)	Operation
	ON		(All Compressor OFF Periods)		< 60 min.	(All Compressor OFF Periods)
	Defrost Heater				< 60 min.
	OFF				(Max. Defrost Duration)
	OFF
	ON
	Defrost Indicator					1 min.
	OFF					1 min.
	OFF					(Display Delay)
					1 AND %ARLIER	(Display Delay)
					1 AND %ARLIER
	ON
	Frame Heater(s)				1 AND ,ATER
	OFF				1 AND ,ATER
	OFF

Time

6 hours

(Defrost Start - Adjustable)

*

Five second evaporator fan start up delay when compressor and fan would otherwise start together

Power ON

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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 BoardRear Relay Wiring Harness K311Thermistor Wiring Harness K151 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 DescriptionReset Options Alarm Details and CountermeasuresHigh Temperature Alarm E1 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 Refrigerant Recovery IV. Removal and Replacement of ComponentsService for Refrigerant Lines BrazingEvacuation and Recharge Removal and Replacement of Refrigeration Unit Removal and Replacement of CompressorRemoval and Replacement of Evaporator Page Page Defrost Thermistor Removal and Replacement of ThermistorsCabinet Thermistor Clogged Filter Thermistor sensorRemoval and Replacement of Door Gasket Removal and Replacement of Defrost HeaterRemoval and Replacement of Control Board Condenser Fan Motor Removal and Replacement of Fan MotorsDoor Re-Hinging and Drawer Conversion Evaporator Fan MotorCleaning and Maintenance Instructions CleaningShelves MaintenanceAir Filter 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