Hisense HRF266N6CSE User Manual

Model:
HRF266N6CSE
Refrigerator Service Manual
WARNING:
This service information is designed to be used ONLY by
experienced repair technicians and is not designed for use by
the general public. It does not include Warnings and Cautions
to advise non-technical individuals of potential dangers
in attempting to service a product. Products powered by
electricity and/or use gas refrigerant should be serviced or
repaired only by experienced professional technicians. Any
attempt to service or repair the product or products covered
in this service manual by anyone without this knowledge and
experience could result in serious injury or death.

Hisense HRF266N6CSE Specifications

General

Style	French Door
Color	Stainless Steel
Number of Doors	3
Total Capacity	25 cu. ft.
Refrigerator Capacity	13.9 cu. ft.
Freezer Capacity	5.5 cu. ft.
Number of Refrigerator Shelves	5 Total (4 Adjustable Half-Width; 1 Fixed Full-Width)
Number of Refrigerator Bins	4
Humidity Controlled Crispers	2 Half Crispers & 1 Full Width Pantry
Number of Freezer Shelves/Baskets	2 Drawers
Refrigerator Temperature	34° F to 47° F
(-14°C)	-
Refrigerator Special Features	LED Lighting
Freezer Special Features	Quick Freeze
Defrost System	-
Noise level	43 dB
Refrigerant	R600a
Energy Class	E
Annual Energy Consumption	628 kWh
Voltage	-
Frequency	-
Current	-

Weight and Dimensions

Depth	27 in
Height	72 1/2 in
Width	32 7/8 in
Net Weight	232.75 lbs

Summary

Safety Precautions and Warnings

General Service Precautions

General precautions for servicing the refrigerator, including power disconnection and part replacement.

Important Safety Instructions

Critical safety instructions for preventing fire, electrical shock, injury, or damage during servicing.

Model Specifications Overview

Model Specifications

Details technical specifications like voltage, refrigerant, dimensions, and weight for the model.

Parts Identification and Structures

Refrigerator Component Identification

Illustrates and labels various internal and external components of the refrigerator.

Refrigerator Door Removal Procedure

Step-by-step instructions for safely removing refrigerator compartment doors.

Air Circulation Path Diagram

Diagram illustrating how air circulates within the refrigerator and freezer compartments.

Evaporator Unit Structure

Details the components and layout of the refrigerator's evaporator unit.

Compressor Compartment Layout

Shows the arrangement and components within the compressor area at the rear of the unit.

Operation and Feature Guide

Control Panel Display Features

Explains the function and location of buttons and indicators on the refrigerator's control panel.

Setting Refrigerator and Freezer Temperatures

Guides on how to adjust and set desired temperatures for refrigerator and freezer compartments.

Refrigerator Temperature Adjustment

Specific instructions for controlling the temperature of the refrigerator section.

Freezer Temperature Adjustment

Specific instructions for controlling the temperature of the freezer section.

Ice Maker On/Off Control

Instructions on how to turn the ice maker function on or off.

Super Freeze Functionality

Details the Super Freeze feature for rapid cooling of the freezer compartment.

Super Cool Functionality

Explains the Super Cool feature for rapid cooling of the refrigerator compartment.

Energy Saving Mode Operation

Describes the Energy Saving mode to reduce power consumption.

Water Filter Replacement and Care

Information on replacing and maintaining the refrigerator's water filter.

Demo Mode Activation and Deactivation

Instructions for activating and deactivating the demonstration mode for display purposes.

Water and Ice System Troubleshooting

Water Clouding Explanation

Explanation of why water might appear misty or cloudy after filtering.

Water Dispenser Usage

Instructions on how to use the refrigerator's water dispenser.

Water Filter Removal and Installation

Step-by-step guide for removing and installing a new water filter.

Water Filter Flushing Procedure

Procedure to flush the water line after installing a new filter.

Reverse Osmosis Water Supply Connection

Guidelines for connecting the refrigerator to a reverse osmosis water supply system.

Door Leveling and Alignment Guide

Refrigerator Leveling Procedure

Instructions on how to ensure the refrigerator is level for proper operation and appearance.

Door Alignment Adjustments

Methods for adjusting refrigerator doors to ensure they align correctly with each other.

Defrost Mode Explanation

Automatic Defrost Cycle Sequence

Diagram explaining the sequence of operations during the automatic defrost cycle.

Diagnostic Procedures and Error Codes

Refrigerator Error Code Reference

A table listing error codes, display areas, and corresponding problems for troubleshooting.

Environment/Humidity Sensor Error Diagnosis

Troubleshooting flowchart and testing procedures for environment or humidity sensor issues.

Ice Maker Sensor Error Troubleshooting

Diagnostic steps and wiring information for resolving ice maker sensor errors.

General Sensor Error Diagnostics

Troubleshooting guide for various sensor errors, including wiring and pin assignments.

Ice Maker Error (Eb) Troubleshooting

Specific troubleshooting steps for an ice maker error code (Eb), including wiring checks.

Communication Error (Ec/Er) Diagnosis

Diagnostic procedure for communication errors between the display panel and mainboard.

Fan Motor Error (F1) Troubleshooting

Troubleshooting steps for freezer and condenser fan errors, including wiring and replacement.

Flow Sensor Error Diagnosis

Diagnostic steps for flow sensor issues, including water supply and wiring checks.

Basic Refrigerator Troubleshooting

Troubleshooting: Refrigerator Not Operating

Troubleshooting guide for common issues when the refrigerator is not running, with causes and solutions.

Troubleshooting: Refrigerator Odors

Solutions for eliminating odors within the refrigerator compartment.

Troubleshooting: Interior Light Issues

Steps to diagnose and fix issues with the interior refrigerator light.

Troubleshooting: Door Closure Issues

Troubleshooting for doors that do not close properly, including leveling and alignment.

Troubleshooting: Vibration and Rattling

Explanations and solutions for common causes of vibration and rattling sounds.

Understanding Normal Refrigerator Sounds

Descriptions of normal operating sounds produced by the refrigerator.

Troubleshooting: Compartment Too Warm

Troubleshooting steps for elevated temperatures in the refrigerator or freezer compartments.

Troubleshooting: Compartment Too Cold

Troubleshooting steps for excessively low temperatures in the refrigerator or freezer.

Troubleshooting: Moisture and Condensation

Causes and solutions for condensation on the refrigerator's exterior or interior surfaces.

Troubleshooting: Frost on Frozen Food

Guidance on preventing frost formation on frozen food items.

Troubleshooting: Food Freezing in Refrigerator

Troubleshooting for instances where food is freezing in the refrigerator compartment.

Ice and Water System Troubleshooting

Troubleshooting: Ice Maker Production Issues

Solutions for common ice maker production issues, including temperature and water supply.

Troubleshooting: Water Dispenser Not Functioning

Troubleshooting steps for when the water dispenser fails to operate correctly.

Troubleshooting: Initial Start-up Faults

A flowchart to diagnose initial start-up issues with the refrigerator's main components.

Freezer Compartment Cooling Troubleshooting

Freezer Cooling Diagnostic Flowchart

A flowchart to diagnose and resolve cooling problems specifically within the freezer compartment.

Refrigerator Compartment Cooling Troubleshooting

Refrigerator Cooling Diagnostic Flowchart

A flowchart to diagnose and resolve cooling issues in the refrigerator compartment.

Troubleshooting: Frost and Moisture Issues

Freezer Frost Buildup Troubleshooting

Steps to identify and fix causes of excessive frost buildup in the freezer.

Refrigerator Moisture Buildup Troubleshooting

Steps to identify and fix causes of moisture buildup in the refrigerator.

Lighting and Noise Troubleshooting

Troubleshooting: Interior Light Functionality

Diagnostic steps for issues related to the refrigerator's interior lighting.

Troubleshooting: Water Line Noise

Troubleshooting guide for identifying and resolving noise originating from the water lines.

Diagnostic and Repair Procedures

Refrigerator Wiring Diagram

A comprehensive electrical wiring schematic for the refrigerator's components.

Mainboard Service and Replacement

Instructions for checking, removing, and replacing the main control board.

Compressor Operation and Diagnostics

Information on checking the compressor's operation and diagnosing faults.

Compressor Inverter Board Service Procedures

Procedures for removing and reinstalling the compressor inverter board.

Fan Motor Service and Replacement

Steps to check and replace freezer and condenser fan motors.

Freezer Fan Motor Removal Steps

Detailed guide on how to physically remove the freezer fan motor.

Condenser Fan Motor & Drain Tube Removal

Procedures for removing the condenser fan motor and associated drain tube.

Refrigerator Air Channel Service

Steps for disassembling and removing the internal air duct system.

Refrigerator Temperature Sensor Replacement

Instructions for replacing the temperature sensor located within the air duct.

Interior Lighting Service

Guide to checking wiring and voltage for refrigerator and freezer lights.

Refrigerator LED Light Removal

Steps for removing the LED lighting unit from the refrigerator compartment.

Freezer LED Light Removal

Steps for removing the LED lighting unit from the freezer compartment.

Freezer Door Switch Functionality

Information about the freezer door switch and its function for lights and fan.

Defrost Heater System Service

Procedures for checking defrost heater voltage and resistance.

Defrost Heater Assembly Replacement Procedure

Detailed steps for replacing the defrost heater assembly and associated sensors.

Control Panel Display Service

Instructions for safely removing the refrigerator's main control panel display.

Reed Switch System Operation

Explanation of how reed switches and magnets detect door status and control internal functions.

Testing Reed Switch Functionality

Method for testing the reed switch functionality by using a magnet.

Water System Overview

A schematic illustrating the path of water from supply to dispenser and ice maker.

Water Line Connection Points Identification

Labels and identifies various water line connection points on the rear of the refrigerator.

Water Line Servicing Procedures

Steps to access and disconnect the water line connected to the internal water tank.

Fill Valve Water Line Disconnection

Instructions for safely disconnecting the water supply line from the fill valve.

Ice Maker Water Line Removal Steps

Procedures for removing the blue water line connected to the ice maker.

Ice Maker Service and Troubleshooting

Basic check of water line connections for the ice maker.

Ice Maker Operational Cycle Test

Test procedure to verify the ice maker's operational cycle and component functionality.

Ice Maker Assembly Removal Steps

Step-by-step guide on how to remove the entire ice maker assembly.

Ice Maker Component Disassembly

Instructions for disconnecting the water line connector from the ice maker assembly.

Refrigerant Line Connection Points

Diagram showing specific LokRing connection points for refrigerant lines.

LokRing Connection Points Diagram

Diagram showing specific LokRing connection points for refrigerant lines.