Related Manuals for Frigidaire FFBN1721TV0
Summary of Contents for Frigidaire FFBN1721TV0
- Page 1 ™ Technical Service Manual, Four-door Refrigerator MODEL FFBN1721TV0 Publication # 5995695680 May 2018...
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Page 3: Table Of Contents
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Table of Contents Important Safety Instructions......... 5 On Refrigerator............22 Safe Servicing Practices for All Appliances....5 Light Switch.............22 Safety Precautions ............6 Ambient Temperature and Humidity Sensor ...22 Fire Hazard ..............6 Display Control Panel ..........22 Electrical Shock Hazard .......... - Page 4 Serv ice M an u al - Fo u r- d oo r R ef r i ge r a tor ( F F BN1 72 1 TV 0 ) Table of Contents Troubleshooting ............38 Lights Inside Fresh-food Compartment not Switching Refrigeration Fault Codes and Solutions....
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Page 5: Important Safety Instructions
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Important Safety Instructions Important Safety Instructions Safe Servicing Practices for All Appliances Avoid personal injury and/or property damage by observing important Safe Servicing Practices. Following are some limited examples of safe practices: DO NOT attempt a product repair if you have any doubts as to your ability to complete the repair in a safe and satisfactory manner. -
Page 6: Safety Precautions
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Important Safety Instructions Safety Precautions Safety Instructions for Refrigerant Do not attempt to install, operate or service the unit until you FLAMMABLE REFRIGERANT USED. RISK OF FIRE have read the safety precautions in this manual. Safety items... -
Page 7: General Warnings
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Important Safety Instructions General Warnings Read all servicing instructions. 16. Servicing is required when the appliance has been damaged in any way, such as Read and follow all warnings. the power-supply cord or plug is... -
Page 8: Grounding Instructions
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Important Safety Instructions Grounding Instructions Electrostatic Discharge (ESD) The refrigerator must be plugged into its own dedicated 115 Volt, HUMAN BODY GENERATES ELECTRO- 60 Hz., 15 Amp, AC only electrical outlet. The power cord of the STATIC DISCHARGE (ESD). -
Page 9: Product Information
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Product Information Product Information Model Layout FFBN1721TV0 Air duct in fresh-food compartment Fan motor for fresh-food evaporator Fresh-food evaporator Air duct in freezer compartment Freezer evaporator Fan motor for freezer evaporator Compressor Display control panel... -
Page 10: External Dimension
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Product Information External Dimension Open Door Front view Side view 130˚ 1394 Down view Maximum angle for open door All values in mm. Page 10... -
Page 11: Product Specification
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Product Information Product Specification Technical Specification Product Name FFBN1721TV0 Compressor LJ63XZ - Includes Capacitor/121 Watts (1.25 Amps) Climate Rated Voltage / Frequency 115V / 60Hz Defrost power 230 Watts / 2 Amps LED lamp power... -
Page 12: Refrigerating Temperature
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Product Information Refrigerating Temperature Note: Temperature Tolerance ≤ 37°F The actual start-up/shutdown temperature is the screen temperature plus the corresponding offset of ambient temperature in the table below. 70 < Ambient Ambient 57<... -
Page 13: Installation And Commissioning
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Product Information Installation and Commissioning Adjustment to Level Door Use adjusting washers in the hinges under the doors, to make the Handling heights of the left and right doors equal and consistent. Move the refrigerator only as shown in below picture, on a handcart with cushion. -
Page 14: Refrigerating Piping System
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Product Information Refrigerating Piping System R-F Connection Refrigerator Evaporator R-Capillary Tube F-Capillary Tube Electric Valve Freezer Evaporator (1 IN 2 OUT) Air-return and Heat Exchange Tube Compressor Condenser Filter Drier Anti-condensation pipe inside... -
Page 15: Theory Of Operation - 3-Way Valve
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Product Information Theory of Operation - 3-Way Valve Testing 3-Way Valve The valve returns to “home” at the end of every freezer defrost The 3-way valve regulates refrigerant flow to the fresh-food evap- cycle and whenever the refrigerator is reconnected to power. -
Page 16: Removal And Replacement Of Parts
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Removal and Replacement of Parts Removal and Replacement of Parts TO REINSTALL OR REPLACE PARTS, NOTE REVERSE THE REMOVAL PROCEDURES Pull out IN PROPER ORDER. BEFORE SERVICING THE UNIT, TURN OFF ELECTRICAL SUPPLY TO THE UNIT. -
Page 17: Fan Motor
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Removal and Replacement of Parts Remove screw cap using a flat-head screwdriver. Remove the screw using a Phillips-head screwdriver. See Figure 5. Remove screw cap Hold the air duct on both sides, as shown in Figure 6 and pull the air duct out from the fresh-food compartment. -
Page 18: Fresh-Food Temperature Sensor
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Removal and Replacement of Parts Fresh-food Temperature Sensor Disconnect power and open the fresh-food door fully. Remove the refrigerator shelves. Remove the crisper boxes. Remove crisper cover. Remove air duct. See section Air Duct. -
Page 19: Deodorizer
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Removal and Replacement of Parts Deodorizer Disconnect power and open the refrigerator door fully. Remove the refrigerator shelves. Release snap Remove the crisper boxes. Remove crisper cover. Remove the crisper support by removing 4 screws as shown in Figure 4. -
Page 20: Inside Freezer Compartment
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Removal and Replacement of Parts Inside Freezer Compartment Freezer Partition Disconnect power and open the freezer door fully. Remove screws Remove upper drawers, lower drawers, and glass cover. Remove 3 screws using Phillips-head screwdriver as shown in Figure 17. -
Page 21: Freezer Temperature Sensor
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Removal and Replacement of Parts Remove 3 screws on the fan assembly using a Phillips-head screwdriver as shown in Figure 21 and take the fan motor out. Remove screw Freezer Temperature Sensor Disconnect power and open the freezer door fully. -
Page 22: On Refrigerator
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Removal and Replacement of Parts On Refrigerator Right side Light Switch Remove screw Left side of refrigerator Magnet-sensing switches are located below the hinge cover of of refrigerator both the left and the right doors of the refrigerator. -
Page 23: Sealed System
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Sealed System Sealed System Warnings EFFECTIVE JULY 1, 1992, THE UNITED THE PURPOSE OF THIS SECTION IS TO STATES CLEAN AIR ACT GOVERNS THE GIVE THE SERVICE TECHNICIAN AN DISPOSAL OF REFRIGERANTS SUCH AS UNDERSTANDING OF THE CHANGES IN R-134a. -
Page 24: Introduction
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Sealed System Introduction Otherwise, R-134a could be trapped inside the filter-drier along with the water. On some products you will see some changes to the evaporator and suction line. This section is intended as a guide for introducing the service Ester oil and R-134a mix satisfactorily within the compressor. -
Page 25: Charging Sealed Systems
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Sealed System Charging Sealed Systems you do not want a dry fit or loose fit. Tubing joints should overlap about the distance of their diameter except for restrictor tubes, which should be inserted 1.25". -
Page 26: Recovering Refrigerant
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Sealed System Recovering Refrigerant ALWAYS MAKE SURE EQUIPMENT IS IN GOOD CONDITION AND ALL MANUFAC- Recovering refrigerant is the first step in preventive maintenance TURE INSTRUCTIONS ARE FOLLOWED or repair of equipment. Simply put, recovery means transferring TO PREVENT ACCIDENTAL RUPTURE OF the system’s refrigerant into a refillable refrigerant cylinder. -
Page 27: Testing For Refrigerant Leaks
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Sealed System spheric pressure and air and moisture will be drawn into the Checking for Internal Leaks system, saturating the filter-drier. A system with R-134a refrig- erant and ester oil will become saturated with moisture much Before checking for internal leaks, check all accessible system faster than a system with R-12 and mineral oil. -
Page 28: Flushing System With Nitrogen
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Sealed System Flushing System with Nitrogen Slowly open hand shut-off valve and allow nitrogen to flow through condenser until discharge is clear. It is recommended that system be flushed with dry nitrogen. - Page 29 Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Sealed System Before installing the replacement compressor, remove the discharge plug and check for the pop sound of the inert gas Electrical Connection 3-way Valve Bolts Inverter leaving the compressor. DO NOT USE COMPRESSOR IF YOU DO NOT HEAR THE POP SOUND OF THE INERT GAS LEAVING THE COMPRESSOR.
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Page 30: Freezer Evaporator And Suction Line Replacement
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Sealed System Disconnect wiring harness at liner plug. Remove the evapo- rator fan motor and housing. Remove the defrost limiter and disconnect defrost heater. IF LOW-SIDE PROCESS TUBE IS TOO Cut suction line in front of weld at evaporator. -
Page 31: Condenser Replacement
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Sealed System Filter-drier Replacement Heat The filter-drier is located in the compressor area on the left side Shield of the compressor (see Figure 5). When the sealed system is opened and the refrigerant charge is removed, the liquid line filter-drier must be replaced and the system thoroughly evacuated before recharging. -
Page 32: Installing Evacuation And Recharging Equipment
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Sealed System To remove the filter-drier: Installing Evacuation and Recharging Pull unit from its installation position and unplug from wall Equipment outlet. Extract the screws securing the compressor shield to the unit Disconnect electrical supply to unit. -
Page 33: Charging System
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Sealed System Close the manifold valve connected to the vacuum pump. To charge the system: Watch the compound gauge for several minutes. If the Make certain that hand shut-off valve to vacuum pump is reading rises, there is a leak in the system, go to step 4. -
Page 34: Vacuum Pump Maintenance
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Sealed System Vacuum Pump Maintenance Vacuum Chart Vacuum Inches Hg. Microns Boiling Point of Water °F It is absolutely essential to maintain your vacuum pump according to the manufacturer’s instructions, including required 28.940... -
Page 35: Function & Operation
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Function & Operation Function & Operation Operation Panel Locking and Unlocking • In unlocked state, press and hold the lock button for 2 seconds to lock. The lock beep sounds. • In locked state, press and hold the lock button for 2 seconds to unlock and the unlock beep sounds. -
Page 36: Test Mode
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Function & Operation Test Mode Self-Diagnosis Operating Mode Within 3 seconds after being powered on for the first time, press the Refrigerating button and Unlocking button, and then the • How to access: Press and hold the Locking button and the buzzer beeps, and enters into the self-inspection mode. -
Page 37: Automatic Defrost Operation
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Function & Operation Phase II of display panel self-inspection: The air is then carried up the air channel to the top and discharges into the top of the food compartment. If the food... -
Page 38: Troubleshooting
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Troubleshooting Troubleshooting Refrigeration Fault Codes and Solutions Fault codes can be accessed from the display panel. See section Display in Function & Operation chapter. Fault Fault Code Visible Corrective Action Code Content Check whether the terminal CN1 is connected properly or not, pull out the terminal and re-connect in place. -
Page 39: No Cooling
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Troubleshooting No Cooling No Cooling of Freezer Compartment and Fresh-food Compartment Does Light ON/ compressor Fix power supply screen operate display ? properly ? Terminal voltage Does output of condenser PCB OK ? -
Page 40: Freezer Compartment Cooling, Fresh-Food Compartment Not Cooling
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Troubleshooting Freezer Compartment Cooling, Fresh-food Compartment not Cooling Temperature Switch to 41°F setting OK ? Is air Clear the blockage tower unobstructed ? Open the door and switch the Reinstall or replace button. -
Page 41: Compressor Failure
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Troubleshooting Compressor Failure Lamp ON/screen Fix power supply display ? Compressor Check after 5 mins power OFF for 5 min ? Voltage output of PCB terminal 120V ? Thermostat OK ? Reinstall or replace... -
Page 42: Defrosting Not Working
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Troubleshooting Defrosting not Working Heat the door seal by blower or Gap in the replace it. door seal ? High ambient It is a normal phenomenon, reducing Humidity, the frequency of switiching the door frequent will reduce the frost. -
Page 43: Fan Failure
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Troubleshooting Fan Failure Identify the failure contents Is it the following case ? Check that the power does not turn ON or switch to the defrost gear. Check that the door switch wiring is correct or door switch Repair is working. -
Page 44: Lights Inside Fresh-Food Compartment Not Switching Off
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Troubleshooting Lights Inside Fresh-food Compartment not Switching Off Display control Fix power supply or cooling OK ? Inside filament Replace disconnected ? Insertion of wiring Reinstall harness OK ? Output of main board... -
Page 45: Electrical Diagrams
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Electrical Diagrams Electrical Diagrams Main Board Electric Switch Valve S9B-XH S11B-XH display S4B-XH control board HUM-SNR HUM-SNR S5B-XH AMB-SNR AMB-SNR S5B-VH S6B-VH S10B-XH S10B-XH COMP FD-HTR ACN ACN AD-HTR VB-HTR RR-DOOR F-Def- LR-DOOR... -
Page 46: Power Supply
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Electrical Diagrams Power Supply 20R 1W R2 9 X1 Y1 2 2 2M 102 2 0 0V R2 20R 1W X1 Y1 2 2 2M 100K 1W +12V 10uH 2 A 0.22uF/275V... -
Page 47: Test Circuit For Door Switch
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Electrical Diagrams Test Circuit for Door Switch F-SW LF-SW RF-SW LR-SW RR-SW R-SW C24k7 B8B-XH The two door switches are individually controlled by the two LR-SW and RR-SW (see above diagram) are parallel connections output ports of the chip. -
Page 48: Fan Motor Circuit Of Freezer Compartment
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Electrical Diagrams Fan Motor Circuit of Freezer Compartment +12V +12V L4 L4 F-FAN F-FAN CE14 CE14 F-FAN F-FAN 10 10 B10 XH B10 XH + - - + + - When the compressor is running, the freezer compartment fan is During the test procedure, check the DC voltage between the running at the same time. -
Page 49: Test Circuit For Sensor
Service Manual - Four-door Refrigerator (FFBN1721TV0 ) Electrical Diagrams Test Circuit for Sensor R-Snr RF-SNR B5B-XH S10B-XH The sensor uses NTC (negative temperature coefficient) therm- During the test procedure, first pull out the sensor terminal, place istor; the resistance decreases with increasing temperature. -
Page 50: Resistance Values Of Sensor (R/T)
Service Manual - Four-door Refrigerator ( FFBN1721TV0 ) Electrical Diagrams Resistance Values of Sensor (R/T) Tx(°F) Ω Tx(°F) Ω Tx(°F) Ω Tx(°F) Ω Tx(°F) Ω 33.81 14.31 6.495 3.141 1.617 31.85 13.55 6.175 2.999 1.55 30.01 12.83 5.873 2.865 1.486 28.29... - Page 51 Model # FFBN1 7 2 1 TV0 ™ P ublic ati on # 5 9 9 5 6 9 5 68 0 M a y 2 0 1 8...