Contents
Superior Degree Reliability
Energy Star
Contents
Page
Specifications Nameplate Ratings
Dimensions
Undercounter Model Names
HUR40A, HUF40A Units mm 1a. HUR40A-D, HUF40A-D
2a. HWR40A-D, HWF40A-D
HWR40A, HWF40A
3a. HUR68A-D, HUF68A-D
HUR68A, HUF68A
4a. HWR68A-D, HWF68A-D
HWR68A, HWF68A
HUR96A Units mm 5a. HUR96A-D
HWR96A Units mm 6a. HWR96A-D
Evaporator Case
II. General Information Construction
Sequence of Operation and Timing Charts
Refrigerators Continuous Operating Mode
Sequence of Operation
Operating
Timing Chart
Freezers Continuous Operating Mode
Freezers Continuous
Defrost End Defrost thermistor reaches defrost
Refrigerators Energy Saving Operating Mode
Energy
Board Self Check Minute Delay
Freezers Energy Saving Operating Mode
Freezers Energy
Control Board
Start-Up Delay
Thermistor Wiring Harness K151
Relay Wiring Harness K311
Rear
Front
Gaining Access to Settings and Diagnostics
Settings and Diagnostics
Temperature Display
Switching the Display Between Fahrenheit and Celsius F5
Adjusting the Setpoint Temperature
Cabinet Temperature Correction calibration factor
Later Section
Settings and Diagnostics Menu
Defrost Interval F0
Defrost Termination Temperature F1
Setpoint Temperature Differential F2
Low Temperature Alarm Delay Time F4
High Temperature Alarm Delay Time F3
Alarm History F6
Temperature Display Scale F5
Operating Modes
Compressor Run Time F7
Perimeter Frame Heater
Continuous
Energy Saving
Alarm Signals Alarm Code Problem
III. Service Diagnosis Alarm Codes
Error Code Priority Description
Alarm Display Priority
High Temperature Alarm E1
Alarm Details and Countermeasures
Reset Options
Possible Causes
Low Temperature Alarm E2
High Pressure Alarm E4
Defrost Alarm E3
Clogged Filter Alarm E7
Defrost Temperature Sensor Malfunction Alarm E8
Clogged Filter Sensor Malfunction Alarm E9
Control Board Error Alarms EA and ED
Problem Possible Cause Remedy
Diagnosis Chart
Problem Possible Cause Remedy
Problem Possible Cause Remedy
Thermistor Check
Service for Refrigerant Lines
IV. Removal and Replacement of Components
Refrigerant Recovery
Brazing
Evacuation and Recharge
Removal and Replacement of Compressor
Removal and Replacement of Refrigeration Unit
Removal and Replacement of Evaporator
Page
Page
Cabinet Thermistor
Removal and Replacement of Thermistors
Defrost Thermistor
Clogged Filter Thermistor sensor
Removal and Replacement of Defrost Heater
Removal and Replacement of Door Gasket
Removal and Replacement of Control Board
Door Re-Hinging and Drawer Conversion
Removal and Replacement of Fan Motors
Condenser Fan Motor
Evaporator Fan Motor
Cleaning
Cleaning and Maintenance Instructions
Air Filter
Maintenance
Shelves
Drawers
115/60/1
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