Table of Contents
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Refrigerator Service Manual
Model:
HRF266N6CSE
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.
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Summary of Contents for Hisense HRF266N6CSE
- Page 1 Refrigerator Service Manual Model: HRF266N6CSE 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.
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Page 2: Table Of Contents
Table of Contents SAFETY ..................................3 MODEL SPECIFICATIONS ............................4 PARTS IDENTIFICATION............................5 Refrigerator Parts ..................................5 Door Removal ....................................6 Air Flow Path ....................................8 Evaporator Structure ................................... 9 Compressor Compartment Structure ..........................10 OPERATION ................................11 Display Controls ....................................11 Water and Ice ....................................13 Door Leveling and Alignment .............................. -
Page 3: Safety
1. Safety Please read the following safety information before servicing this refrigerator. General Service Precautions • Disconnect power before handling any electrical components. • Check the rated current, voltage, and capacity. • Do NOT allow water to get near any electrical components. •... -
Page 4: Model Specifications
2. Model Specifications SPECIFICATION SPECIFICATION VALUE VALUE Design Pressure Below High Side/Low Side 250 PSIG / 88 PSIG Refrigerant/Amount R600a/62G Rated Voltage 115V Rated Frequency 60Hz Rated Current 2.8A Defrost Heater 220W Foaming Agent Cyclopentane Net Weight 273 lbs W x D x H (with hinges) 36"... -
Page 5: Parts Identification
3. Parts Identification Refrigerator Parts Door bins Vertical baffle Water dispenser (inside) Crisper drawers Full width pantry drawer Freezer LED light Ice maker (inside) Ice bin (inside) Lower freezer drawer Adjustable bottom feet Top cover Control panel Vertical baffle guide Water filter Refrigerator LED light (inside) -
Page 6: Door Removal
Door Removal 4. Disconnect the wiring harness by pressing the release catch on the wire harness connector, (only if needed) and then pulling the ends apart (left-hand hinge only). Measure the refrigerator to make sure it will fit through the doorway. If the refrigerator cannot pass easily through the doorway, follow the instructions to remove the two refrigerator compartment doors and the front panel of the... - Page 7 8. Using both hands, lift the door off the bottom 6. Using an 8 mm socket wrench, remove the hinge and set it onto a soft surface to protect 4 screws (2 on each side) attaching the the finish. supporting frame to the brackets on the interior panel of the drawer front.
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Page 8: Air Flow Path
Air Flow Path... -
Page 9: Evaporator Structure
Evaporator Structure Fuse Accumulator Sensor Heater Evaporator... -
Page 10: Compressor Compartment Structure
Compressor Compartment Structure Filter dryer Power cord Compressor Condenser fan motor Bottom condenser Evaporation tray Fill valve... -
Page 11: Operation
4. Operation Display Controls NOTE: The controls on your model may look different from this and other images in this manual, depending on your model’s features. Ice maker control Super cool control Super freeze control Energy saving control Freezer compartment temp control Ice maker icon Celsius indicator Super freeze icon... - Page 12 A new filter can be purchased from the retailer temperatures. where you purchased the refrigerator or from Hisense after-sales service system. The Super Freeze feature lowers the temperature in the freezer compartment to -13°F (-25°C). NOTE: Make sure to purchase the correct water •...
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Page 13: Water And Ice
Water and Ice 5. Turn on the water supply. Replace the Water Filter Water Clouding Phenomenon 1. Remove the new filter from its packaging. Water coming into the refrigerator flows through 2. Insert the new filter into the filter compartment. an alkaline water filter. -
Page 14: Door Leveling And Alignment
Door Leveling and Alignment Level Refrigerator Align Doors The refrigerator must be level to maintain optimal If the edges of the refrigerator doors do not align performance and appearance. with each other, you can make adjustments. 1. Turn the leveling feet on the bottom, front of Using Adjustable Foot the cabinet to raise or lower that side of the •... -
Page 15: Defrost Mode
Defrost Mode Automatic Defrost When the accumulated running time of the compressor reaches the set point (dependent on the environmental temperature) the compressor will automatically enter defrost mode. Start Compressor stops Evaporator motor stops Damper stops Defrost heater works Evaporator temperature reaches the set point. -
Page 16: Diagnostic Process
5. Diagnostic Process Error Code Summary CODE CODE DISPLAY AREA DISPLAY AREA PROBLEM PROBLEM Refrigerator temperature display area Environment sensor malfunctions Refrigerator temperature display area Refrigerator sensor malfunctions Freezer temperature display area Freezer sensor malfunctions Freezer temperature display area Freezer defrost sensor malfunctions Refrigerator temperature display area Humidity sensor malfunctions Freezer temperature display area... -
Page 17: Environment Or Humidity Sensor Error
Environment or Humidity Sensor Error Start Is the sensor wiring connection Repair the wiring an open circuit or a short circuit? Replace the humidity module NOTES: Normal Voltage Measurement: • Pins No. 1 and No. 3 is 5V • The Environment Sensor: Pins No. 1 and No. 3 on CN9 •... - Page 18 Ice Maker Sensor Error Start Is the sensor connected Plug the sensor to the mainboard? into the mainboard. Is the sensor connecting wiring Repair the wiring open circuit or short circuit? Is the sensor OK? Replace the sensor Replace the mainboard NOTE: The Ice Maker sensor corresponds to pins No.
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Page 19: Other Sensor Errors
Other Sensor Errors Start Is the sensor connected Plug the sensor to the mainboard? into the mainboard. Is the sensor connecting wiring Repair the wiring open circuit or short circuit? Is the sensor OK? Replace the sensor Replace the mainboard 1. -
Page 20: Ice Maker Error (Eb)
Ice Maker Error (Eb) Check the wiring connection between the mainboard and the ice maker (Pins No. 7~ No. 10 on the CN5 connector of the mainboard), and repair the connection if it is broken. Input 12V power to Pins No. 7 and No. 8 on CN5 connector, to check whether or not the ice maker can rotate normally in both directions. -
Page 21: Communication Error (Ec Or
Communication Error (Ec or Er) Start Is the wiring connection between the Repair the wiring display panel and mainboard broken? Replace the display panel Is the display panel OK? Replace the mainboard NOTE: The Communication sensor corresponds to Pins No. 5~No. 8 on the CN7 connector of the mainboard. -
Page 22: Fan Error (F1)
Fan Error (F1) Check the wiring connection of the fan motor, and repair if broken. Freezer Fan Freezer Fan Motor: corresponds to Pins No. 13 ~ No. 15 on CN4 connector of the mainboard. • Pin No. 14 connects the 12V power •... -
Page 23: Flow Sensor Error
Flow Sensor Error 1. Check the water supply. • If there are faults with the water supply, correct the faults. • If there are no faults with the water supply, then check the wiring connection. 2. Check the flow sensor NOTE: The flow sensor corresponds to Pins No. -
Page 24: Basic Troubleshooting
Basic Troubleshooting Refrigerator is Not Operating PROBLEM PROBLEM POSSIBLE CAUSE(S) POSSIBLE CAUSE(S) SOLUTION SOLUTION Refrigerator does not Refrigerator is unplugged. Plug refrigerator into a grounded 3 prong outlet. Breaker is tripped or turned off, Reset/Turn on breaker or replace fuse. or fuse is blown. - Page 25 Temperature and Moisture PROBLEM PROBLEM POSSIBLE CAUSE(S) POSSIBLE CAUSE(S) SOLUTION SOLUTION Refrigerator or Temperature control is not set cold Adjust the compartment to a colder setting; freezer is too enough. allow 24 hours for the temperature to adjust. warm Doors opened frequently or left Limit door openings to maintain the internal open.
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Page 26: Start Fault
Ice and Water PROBLEM POSSIBLE CAUSE(S) SOLUTION The ice Ice maker is not turned on. Press the Ice On/Off control to turn On/Off the maker is not ice maker. See “Display Controls.” producing ice, New installation Wait 12 hours after installation for ice production enough ice, to begin. -
Page 27: Freezer Compartment Cooling
Freezer Compartment Cooling Start Refer to Any error code? “Other Sensor Errors” Does compressor Replace the Is compressor OK? work? compressor Is the PTC starter or Check the mainboard overload protector OK? Change the PTC starter or overload protector Does fan motor work? Is fan motor OK? Replace the fan motor Is wiring connection... -
Page 28: Refrigerator Compartment Cooling
Refrigerator Compartment Cooling Start Solve error code Any error code? problems Is the damper OK? Does the damper work? Replace the damper Is wiring connection Replace the mainboard Check the wiring Replace the sensor Is the sensor OK? and check connector Refer to “Freezer Is freezer compartment Compartment”... -
Page 29: Thick Frost In Freezer Compartment
Thick Frost in Freezer Compartment Start Moisture on the door Adjust door. Replace Gap between gasket gasket? (Freezer and/or door gasket, as needed. and cabinet? Refrigerator) Is door aligned? Reassemble the door Are doors opened Advise to limit number frequently? of door openings Maintain adequate Is the appliance too... -
Page 30: Light Function
Light Function Start Is the light disconnected Replace the light or broken? Is the door switch OK? Replace the door switch Check the door switch connection and repair Noise Water Line Noise Start Are water lines touching in the Separate the water lines compressor area? Reposition the water lines to avoid Is the evaporation tray... -
Page 31: Diagnostic And Repair Procedures
6. Diagnostic and Repair Procedures Wiring Diagram... -
Page 32: Mainboard
Mainboard Compressor Check the Mainboard IMPORTANT: If the problem is most likely caused Input Voltage/Frequency: 100-120V/60Hz by a faulty mainboard, replace the mainboard first to confirm. Input Power: ≤300W NOTE: Replacement board settings are at factory The compressor takes low temperature and low default. -
Page 33: Compressor Inverter Board
Compressor Inverter Board Remove Compressor Inverter Board 7. Unplug the ground wire connector from the compressor. 1. Unplug the refrigerator or disconnect power. 2. Remove the machine compartment cover to access the inverter housing. 3. Remove the screw fastening the cover to the inverter housing. -
Page 34: Fan Motor
Fan Motor Rated Voltage: 4. Disconnect the wire harnesses, and then remove the air duct. Freezer Fan: DC12V Condenser Fan: DC12V Check the Fan Motor Mainboard Wiring Connection Make sure the wiring connection between the fan motor and mainboard is secure. If the wiring connection is loose, repair the connection. - Page 35 4. Remove fan frame by sliding it straight toward you to access evaporator drain tube. Make sure the drain tube is positioned, as shown. NOTE: The channels that hold the fan frame. To reassemble, slide the fan frame into these two channels.
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Page 36: Refrigerator Air Channel
Refrigerator Air Channel Remove the Air Flow Channel 1. Remove the two screw covers and the screws 4. Unplug damper and temp sensor connections. behind them (1 at each end of the center shelf support). Chilled water tank Air duct Damper connection Shelf support screws (2) Temp sensor connection... - Page 37 6. Using a box cutter, cut the tape around the Replace Refrigerator Temperature Sensor damper opening. Do not cut the foam. Temp sensor Foam cover Air duct base (damper inside) Damper...
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Page 38: Interior Lights
Interior Lights Rated Voltage: DC12V Check the Light Remove LED - Refrigerator Compartment 1. Unplug the refrigerator or disconnect power. Mainboard Wiring Connection 2. Using a flat-blade screwdriver or putty knife, 1. Make sure the wiring connections between pry up on the light cover to release it from the the light and mainboard are secure. -
Page 39: Freezer Door Switch
Remove LED - Freezer Compartment Freezer Door Switch The LED for the freezer is in the base of the left- (Activates both the Freezer Light and Evaporator hand side refrigerator door. Fan) Freezer Door Switch: Corresponds to Pin No. 7 on CN4 connector on the mainboard. -
Page 40: Defrost Heater
Defrost Heater Check the Defrost Heater Remove and Replace the Defrost Heater- Defrost Sensor-Evaporator Coil Sensor Rated Voltage: AC115V IMPORTANT: Wear cut resistant gloves. Coil fins Rated Power: 220W are very sharp. Mainboard Wiring Connection The defrost heater is an assembly comprised of 1. -
Page 41: Control Panel
Control Panel Remove the Control Panel Display 1. Unplug the refrigerator, or disconnect power. 5. Remove the terminal. 2. Using a Phillips screwdriver, remove the three screws fastening the hinge cover, and then remove the hinge cover from the top of the cabinet. -
Page 42: Reed Switch And Reed Switch Magnet
Reed Switch and Reed Switch Magnet • A reed switch is located on either side of the When both refrigerator compartment doors are hinge cover. closed, the interior lights turn off and the fan motor and damper are activated. When a refrigerator compartment door is opened, the interior lights turn on and the fan motor and damper are turned off. -
Page 43: Water System
Water System... - Page 44 Water filter inlet cover Ice maker inlet cover Water line to fill valve Water supply line to water tank Water line installation clip Water supply line to ice maker Water supply line to water filter Connector 180° Water supply line connector Fill valve inlet line Connector nut Fill valve (inside)
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Page 45: Water Lines
Water Lines Water Tank Supply Line (White) To Access Water Tank Line: To Release Water Line from Fill Valve: 1. Remove the lower back panel of the 1. Working from the back of the refrigerator, refrigerator cabinet. remove the machine compartment cover. 2. - Page 46 Ice Maker Water Line (Blue) Remove the Ice Maker Water Line NOTE: The black line imprinted on the blue fill line is a reference point. When reinstalling, push 1. Working from the back of the refrigerator, use the blue fill line into the water line connector a Phillips screwdriver to remove the screw only until the black line is flush with the fastening the ice maker inlet cover to the...
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Page 47: Ice Maker
Ice Maker Check the Water Supply 3. Slide out, and then pull down on the ice maker assembly. 1. Check the water line connections. Check the Action of the Ice Tray, the Ice Valve and the Water Valve 1. Unplug refrigerator. 2. - Page 48 Ice Maker Disassembled 2. Slide the electrical wiring, in the direction of the arrow from under Clip 1 until it is released. Remove Water Line Connector 1. Disconnect the terminal. Clip 1 Clip 2 3. Slide the electrical wiring, in the direction of the arrow from under Clip 2 until the wire hangs free.
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Page 49: Lokring Connection Points
LokRing Connection Points Refrigerant flowing direction LokRing points Condenser Capillary Antisweat tube Filter Dryer Coil condenser Connection tube Evaporator Process tube Suction tube Compressor...
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Do you have a question about the HRF266N6CSE and is the answer not in the manual?
Questions and answers
our refrigerator has power but will not cool either the cooler or freezer
If the Hisense HRF266N6CSE refrigerator is not cooling despite having power, several factors could be causing the issue:
1. Power and Connection Issues: Ensure the power cord is plugged in properly and that the mainboard terminals are connected.
2. Mainboard Malfunction: If the mainboard is not outputting power correctly, it may need to be replaced.
3. Compressor Issues: If the compressor is not working, it should be checked and possibly replaced.
4. PTC Starter or Overload Protector Problems: If these components are faulty, they may need to be replaced.
5. Fan Motor Failure: If the fan motor is not working, it should be inspected and replaced if necessary.
6. Wiring Connection Issues: Loose or damaged wiring should be checked and repaired.
7. Door Seal and Alignment: If the freezer door or gasket has a gap, cold air may be escaping. Adjust the door or replace the gasket if needed.
8. Blocked Airflow: Ensure food is not placed too close to the sensors, as this can affect cooling performance.
Following these troubleshooting steps can help identify and resolve the cooling issue.
This answer is automatically generated
Our control valve for the water dispenser is not registering when pressure from the cup is removed, therefore it continues to spill water when there is no pressure from a cup.
A possible cause of the control valve malfunction in the Hisense HRF266N6CSE water dispenser could be high water pressure, which may cause leaks or improper operation. Additionally, impurities in the water supply could cause the valve to stick, preventing proper water flow. If the water filter is clogged or not properly installed, it may also affect the valve’s function. Checking for leaks, flushing the water system, and ensuring the filter is correctly inserted may help resolve the issue.
This answer is automatically generated
Refrigerator door is sagging (again). Hinges replaced last year under warranty. Is there a permanent fix?