Haier HB21FNN - User Manual

SERVICE MANUAL
Refrigerator
CAUTION
READ THIS MANUAL CAREFULLY TO
DIAGNOSE TROUBLE CORRECTLY
BEFORE OFFERING SERVICE .
MODEL: HB21FN N
Features:
1. Ice making
2.Slide-out shelf for easy food access
3.Pre-cooling for defrosting for freshness storage.
4.Intelligent operation for automatic operation.
5.Automatic problem detecting and warning system, door cooling warning system.
6. Vitamin C technology for fresh food storage

Summary

Safety Precautions

General Safety Guidelines

Covers power supply, cord handling, fire prevention, electrical safety, and proper usage.

Specifications

Model and General Features

Disassembly and Installation

Door Removal and Replacement

Step-by-step guide for removing and reinstalling refrigerator doors.

Ice Bin and Freezer Drawer Removal

Control and Display System

Control Panel Overview

Identifies all buttons, icons, and displays on the control panel.

Basic Function Adjustments

Covers AI mode, fault display, and lock/unlock features.

Special Operation Modes

Temperature Control and Alarms

Error Code Display

Malfunction Codes and Descriptions

Lists error codes, sensor names, and detailed malfunction descriptions.

Circuit Diagram

Electrical Principle Diagram

Electrical Connection Diagram

Troubleshooting

Common Troubles and Remedies

Lists common issues and provides solutions for refrigerator malfunctions.

Troubleshooting Checkup Methods

Haier HB21FNN Specifications

General

Energy Star Rated/Certified	Yes
Voltage	115 V
Frequency	60 Hz
Ice Maker	No
Water Dispenser	No