Samsung RFG297AB**/XAA User Manual

# tsRFG297AB RevC 03/30/2011 1
Fast Track Troubleshooting
IMPORTANT SAFETY NOTICE – “For Technicians Only” This service data sheet is
intended for use by persons having electrical, electronic, and mechanical experience
and knowledge at a level generally considered acceptable in the appliance repair trade.
Any attempt to repair a major appliance may result in personal injury and property
damage. The manufacturer or seller cannot be responsible, nor assume any liability for
injury or damage of any kind arising from the use of this data sheet.
Models Covered:
RFG297AB**/XAA
Press Freezer button a
third time to Force Low
Speed Run
Press Freezer button a
forth time to Force De-
frost of Fridge & Freezer,
measure defrost voltage
at main PCB
Press Freezer button one
time at the Test Mode to
Force Compressor High
Speed Run, measure fan
and Compressor volt-
ages at main PCB
Self Diagnosis: Press both buttons (Energy
Saver– Lighting) simultaneously (No sound
when both buttons are pressed at the same
time) ‟til the display quits blinking and
beeps, 8-12 seconds, then release and read
Fault Codes.
This will also cancel the Fault Mode created
by self-diagnosis at power up.
Forced Mode: Press both buttons (Energy Saver– Fridge) simulta-
neously (No sound when both buttons are pressed at the same
time) „til it beeps and goes blank, 8-12 seconds
Publication # tsRFG297AB Revision Date 03/30/2011
Component Value Chart
Press Freezer button a
second time to Force
Mid Speed Run
3600RPM 2450RPM 2200RPM
Component Resistance Wattage Voltage
Freezer Defrost Heater 60Ω 240 120vac
Fridge Defrost Heater 120Ω 120 120vac
French Mullion Heater 1800Ω 8 120vac
Ice Duct Heater 3600Ω 4 120vac
Dispenser Heater 7200Ω 2 120vac
Water Tank Heater 72Ω 2 12vdc
Sensors 2.5kΩ-89kΩ N/A 1~4.5vdc
Fans N/A N/A 7~12vdc
NOTICE: Parts Change
The interior lighting has been changed
from incandescent lighting to LED lighting.
The new parts are NOT interchangeable
with the old parts. See page 4
Wait 5 seconds between button pushes
Sealed System
Refrigerant Charge
R134a 5.64 oz.
Sales Mode, No Compressor Operation: Press Energy Saver & Freezer temp buttons simultaneously for 3 sec
( you will hear a “Ding Dong”) to remove or put into Sales Mode. When in the Sales Mode the Display will show
"OF" "OF": Removing power will not cancel this mode.
SUPPORT INFORMATION
Training — Plus One http://my.plus1solutions.net/clientPortals/samsung/
Help — GSPN http://service.samsungportal.com/
Samsung Product Support TV http://support-us.samsung.com/spstv/howto.jsp
Customer information videos and chat programs. Programs for Fridges, Laundry, Ranges & D/W
NOTICE: Parts Bulletin
Handle change 2-2011

Samsung RFG297AB**/XAA Specifications

General

Brand	Samsung
Model	RFG297AB**/XAA
Category	Refrigerator
Language	English

Summary

Fast Track Troubleshooting

Safety Notices

Important safety notices regarding parts bulletins and changes, and technician warnings.

Diagnostic and Special Modes

Procedure for Self Diagnosis and Forced Mode to check fault codes and system status.

Operational Test Modes

Instructions for activating specific compressor speed test runs via button presses.

Sales Mode Operation

How to enter and exit Sales Mode, which disables compressor operation.

SUPPORT INFORMATION

Training and Help Resources

Links to online training portals, Samsung service websites, and product support.

DC FAN MOTORS

Fan Motor Operation and Testing

Explains fan speed control, voltage testing, and troubleshooting ice blockage.

Heat Release Ice Makers

Ice Production and Faults

Describes the ice production cycle and 3-hour fault mode behavior.

Heat Release I/M Test Mode

Procedure to initiate harvest and heater test cycles for the ice maker.

Freezer Temperature Control

Ice Maker Temperature Logic

How freezer temperature is maintained based on ice bucket status.

Diagnostic Code Quick Guide

Refrigerator Error Codes

Lists error codes for refrigerator sensors, heaters, fans, and defrost components.

Freezer Error Codes

Lists error codes for freezer sensors, fans, and defrost components.

Communication & Other Errors

Covers communication errors and specific component issues like I/M function.

Service Bulletin: ASC20100714001

LED Lamp Wiring Details

Wiring diagram for interior LED lighting components, including vegetable lights.

AC Load Control Wiring Details

Wiring diagram for AC load control parts such as heaters and solenoids.

Connector Pinouts and Component Mapping

CN70, CN71, CN73 120vac Connections

Details 120vac connections for heaters, lamps, solenoids, and cube ice.

CN30 Sensors & Switches Connections

Lists sensor and switch connections for refrigerator and pantry zones.

CN50 Display, CN79 Heater, CN90 Ice Maker

Covers display, water tank heater, ice maker eject sensor, and test switch connections.

CN31, CN78, CN77, CN91 Sensor/Motor Connections

Details connections for ambient sensors, vegetable lights, stepper motors, and damper motors.

CN75, CN32, CN51 Inverter/Sensor Connections

Pinouts for compressor inverter board, flow sensor, and pantry room components.

Detailed Wiring Diagrams

Main PBA and Panel LED Wiring

Schematic showing main board, panel LEDs, speaker, and display connections.

Pantry, Ice Maker, and Motor Wiring

Wiring for pantry sensors, ice maker mold, dispenser, and various motors.

Sub PBA and Component Wiring

Details wiring for fan motors, compressor control, water tank heater, and switches.

Compressor & System Operation Testing

Refrigeration System Overview

Diagram illustrating refrigerant flow and key system components like evaporator and condenser.

Testing LED Blinking Frequency

Steps to test compressor operation and interpret LED fault indicators.

Troubleshooting Protection Functions

Guides for diagnosing and resolving compressor protection faults like motor lock or low voltage.