Samsung RF32FMQDBSR Repair Manual

The Samsung RF32FMQDBSR is a 32 cubic foot French Door Refrigerator with dual ice makers, digital inverter compressor, twin cooling plus system, external water and ice dispenser, and smart features. This repair manual provides comprehensive guidance for troubleshooting, maintenance, and repair procedures for qualified technicians. Below are key sections covering safety, components, diagnostics, repair procedures, and technical specifications.

1. Safety Precautions 2. Model Specifications 3. Component Identification 4. Diagnostic Procedures 5. Disassembly Instructions 6. Electrical System 7. Refrigeration System 8. Control System 9. Error Codes 10. Parts Replacement 11. Testing Procedures

Safety Precautions

Critical safety information for technicians performing repairs on the RF32FMQDBSR refrigerator.

Hazard	Precaution
Electrical Shock	Disconnect power before servicing; use insulated tools
Refrigerant Handling	Use proper recovery equipment; wear protective gear
Sharp Edges	Wear cut-resistant gloves during disassembly
Heavy Components	Use proper lifting techniques; two-person lift recommended
Compressor	Allow system to depressurize before opening
Capacitors	Discharge all capacitors before handling
Moving Parts	Ensure all power is disconnected when working near fans

Model Specifications

Model: RF32FMQDBSR/AA
Capacity: 32 cubic feet
Refrigerant: R-600a (Isobutane)
Compressor: Digital Inverter
Voltage: 115V, 60Hz
Amperage: 7.5A
Dimensions: 68.875" H x 35.625" W x 34.5" D
Weight: 322 lbs
Defrost System: Adaptive Smart Defrost
Ice System: Dual Ice Makers

Component Identification

Major components and their locations within the RF32FMQDBSR refrigerator.

Component	Location	Function
Main Control Board	Rear upper section	Primary system controller
Inverter Compressor	Bottom rear	Refrigeration cycle
Evaporator Fans	Freezer and refrigerator sections	Air circulation
Defrost Heater	Behind freezer evaporator	Ice removal
Temperature Sensors	Multiple locations	Temperature monitoring
Ice Maker Assembly	Freezer door and bin	Ice production
Water Valve	Bottom rear	Water supply control

Diagnostic Procedures

Step-by-step troubleshooting for common RF32FMQDBSR issues.

No Cooling: Check power supply, compressor operation, thermostat settings
Excessive Frost: Inspect door seals, defrost system, drain line
Water Leaks: Check water connections, drain pan, ice maker
No Ice Production: Verify water supply, ice maker operation, water filter
Unusual Noises: Inspect fans, compressor, ice maker mechanism
Display Issues: Check control board, wiring, user interface panel

Disassembly Instructions

Proper disassembly sequence for accessing internal components.

Unplug refrigerator and remove food items
Remove door bins and shelves
Detach door panels (if necessary)
Remove rear service panel
Access control board compartment
Remove evaporator cover
Access compressor compartment

WARNING! Document wire connections and take photos during disassembly for proper reassembly.

Electrical System

Electrical components and wiring diagrams for the RF32FMQDBSR.

Main Power: 115V AC input
Control Voltage: 12V DC for electronic controls
Compressor Circuit: Variable frequency drive
Defrost Heater: 120V AC, 200W
Fan Motors: 12V DC brushless
Temperature Sensors: 10k ohm thermistors

CAUTION! Always verify power is disconnected before testing electrical components.

Refrigeration System

Refrigerant circuit components and service procedures.

Component	Specification	Service Notes
Compressor	Digital Inverter	Variable speed 1800-4300 RPM
Refrigerant	R-600a	Flammable - special handling required
Charge Amount	2.3 oz	Critical charge system
Evaporator	Aluminum	Freezer section
Condenser	Steel tube/aluminum fin	Bottom mount
Capillary Tube	Fixed restrictor	Non-adjustable

Control System

Electronic control system operation and troubleshooting.

Main Control Board: Processes all sensor inputs and controls outputs
User Interface: Touch controls and display
Temperature Control: Adaptive algorithm based on usage patterns
Defrost Control: Monitored by temperature and time parameters
Ice Maker Control: Independent control for dual ice makers

Error Codes

Common error codes and their meanings for the RF32FMQDBSR.

Error Code	Description	Troubleshooting
E-01 / E-02	Freezer sensor error	Check sensor resistance and wiring
E-03 / E-04	Refrigerator sensor error	Verify sensor operation and connections
E-05	Ambient sensor error	Inspect ambient temperature sensor
E-21 / E-22	Defrost sensor error	Check defrost termination sensor
E-30	Communication error	Inspect wiring between boards
E-40	Ice maker communication error	Check ice maker connections

Parts Replacement

Common replacement parts and their installation procedures.

Water Filter: DA29-00020B - Replace every 6 months
Ice Maker Assembly: Replace as complete unit
Door Gaskets: Ensure proper alignment during installation
Control Board: Requires programming after replacement
Temperature Sensors: Calibrate after replacement
Evaporator Fans: Check for proper rotation direction

Testing Procedures

Verification tests after completing repairs.

Leak test refrigeration system
Verify proper temperature operation
Test ice maker function and water flow
Check door switch operation
Verify display and control functions
Monitor compressor operation cycles
Confirm defrost cycle completion

Final Check: Allow unit to run for 24 hours and verify stable operation before returning to customer.

Service Support: 1-800-SAMSUNG; www.samsung.com/support