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Question posted by val99 on May 18th, 2011

How Do I Replace The Freezer Fan Motor?

i KEEP GETTING AN ER FF ERROR CODE

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Answer #1: Posted by jack17560 on December 14th, 2011 3:34 PM

jack17560

Member since:
December 14th, 2011

Points: 60

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I have an LG bottom freezer with Err FF, which means freezer fan failure (Evaporator fan motor assembly *might* need replacing). What is happening is that ice has been building up behind the back freezer wall and is preventing the freezer fan from spinning to help cool the fridgerator portion. Hence, freezer is still working, but fridge is not cooling. If you aren't too handy, unplug and empty the freezer, then leave the freezer door open for a day to let this ice buildup melt... I am not sure where the water drains to though, so put towels at the bottom of the freezer and on your kitchen floor. If you ARE mechanically inclined, unplug and empty the freezer. Pull out the slide out door, remove ice maker, center top freezer shelf basket and divider and two support bars. Unscrew the philips by the ice maker in the back of the inside freezer wall (top left), as well as the philips screw at the inside, back center of the freezer wall (both white screws). Pop off the rectangluar, ice maker back panel door. Now you should be able to grip the back freezer wall and pull/bend it out of its snap places to get it out of the freezer and expose the frozen ice, freeer fan, radiator looking thing (be careful not to bend or cut yourself on the cooling fins). You can use a hair dryer to help melt the ice at a faster rate. Once the ice is melted, you can plug in the refrigerator to see if that freezer fan is spinning when you hold down the freezer door trigger. If that fan is not spinning, the fridge will still show Er FF. (Time to replace the freezer fan (evaporator motor assembly.) If it is spinning, then you know it was the ice build up which prevented the freezer fan from spinning. You can reassemble the freezer until you see the Er FF code again. Good luck.

Related LG LSC27914SB Manual Pages

Owner's Manual - Page 3

... AND ASSEMBLY 11 1. Removing and Replacing Refrigerator door 11 2. Handle Removal...12 3. Fan Shroud Grille...14 5. Disassemble of Tray Drip 18 10. Working Principles...45 2. Ice maker Troubleshooting 49 4. Door Alignment...6 2. Explanation for PCB circuit 30 7. SPECIFICATIONS ...4 2. Disassemble of fan Motor 17 9. Dispenser...19 5. Freezer Shelf...8 5. Monitor Panel...21...

Owner's Manual - Page 5

... GENERAL FEATURES MODELS LSC27914SB /01 LSC27914SW /01 LSC27914TT /01 LSC27914ST /01 FREEZER REFRIGERATOR SPECIFICATIONS Color Dimensions Net Weight Capacity Refrigerant Climate class Rated ...Stainless 36 x 33 x 70 in 328.5 lbs 27 cuft R134a Temperate (N) 115V~ / 60Hz Fan Cooling MICOM control Full Automatic Heater Defrost Cyclo, Pentane LQ69LAUH PTC Starting Type Fin Tube Type Wire...

Owner's Manual - Page 18

... direction of the arrow. 2. Pull down drain pipe to 1) - 17 - Unplug fan motor. 7.- 8. To reinstall repeat the same process but inverted (6 to remove it. 5. Remove the motor from water valve and drain pipe using a phillips screwdriver. 4. Remove screws from housing and cut tie wrap. 3. FAN MOTOR DISASSEMBLY 1. Using a small phillips screwdriver remove screws from bracket...

Owner's Manual - Page 19

Remove screws in compressor base in order to disassemble guide fan (move to release tray drip. Move 2. Use a tool to release clips (2) in order to right). Avoid...Then remove tray drip carefully. TRAY DRIP DISASSEMBLY 1. Use phillips screwdriver. 6. Move 3. Remove screws from tray drip. Remove fan motor by pushing fan motor in order to condenser or pipes. - 18 - Remove guide...

Owner's Manual - Page 25

... at high speed during ICE PLUS. (6) For the rest of BLDC fan motor error in the freezer fan motor (refer to operate the BLDC motor, turn ON. After 24 hours or if the ICE PLUS key is immediately released. However, if the refrigerator door is powered on the refrigerator, for three hours. (4) If ICE PLUS is to intensify the...

Owner's Manual - Page 27

... Failure Diagnosis Function To display the error message, press and hold ICE PLUS button and FREEZER button. Faulty Icemkaer unit, Motor or Hall IC; Faultumotor driver. ITEM 1 No Error 2 Abnormal Freezer Sensor FAILURE CODE INDICATOR (F-Section) ALL LED ON CONTENTS OF FAILURE - 3 Abnormal Refrigerator Sensor (1) 4 Abnormal Refrigerator Sensor (2) 5 Abnormal Defrost Sensor 6 Abnormal Room...

Owner's Manual - Page 29

... placed on the main PCB of refrigerator (test switch), and the test mode will be performed. Stepping Motor OPEN 5. Defrost Heater ON 4. Test Function 1. The purpose of test mode. 4. Even if pressing the test button during performance of test function is reset to the normal status. 3. Freezer fan in it again for the failure...

Owner's Manual - Page 39

... condition. 4. This circuit stops the fan motor by varying the DC voltage between 7.5 Vdc and 16 Vdc. 3. Between a c , d c Motor OFF 5V Motor ON 2~3V Between b c 2V or less 12~14V Between e c 2V or less 8~16V b a C e d bcadc e - 38 - Fan motor driving circuit (freezer, mechanical area) 1. 1-8. This circuit changes the speed of the fan motor by cutting off power to the...

Owner's Manual - Page 56

...Contraction inner liner. Misalignment. Gasket gap. No automatic defrosting. Fan motor. Contact distance. Button is weak. rated. Structural fault. Bad attachment. Faulty fan motor. Heater cord-L Not touching the evaporator pipe. Faulty characteristics. Contact. Refrigerator and freezer switch reversed. Defrost Sensor. - Button pressure. CLAIMS. 3. Bad...

Owner's Manual - Page 57

... tray has sediment in it. Impact. Low voltage. Low valtage. 6) Refrigerant too much or too little. Malfunction of temperature - Insufficient compressor. - Foreign materials. • Check visually after jammed. Faulty fan motor. Shorud. Charge of charging cylinder. Clearance. Fan misuse. No contact of its own temperatue. Bad characteristics of temperature...

Owner's Manual - Page 60

.... Transformer sound. Vibration sound. Sounds from refrigerant. - No damping evaporator. Core gap. Correct screw connection. Drip tray vibration sound. Not connected. Bad pipe caulking. 2) Freezer compartment sounds. Residual frost contact. Fan distortion. Air intake (opposite to motor bushing assembly.) HOW TO CHECK Motor shaft contact sounds. Supporter disorted. Sound...

Owner's Manual - Page 64

... cannot press door switch - Remove the dust with a fan motor. tester. 0 : short. : cut . - Press button to faulty door switch operation. - The fan may be broken if cleaning performs while the refrigerator is off. - Replace door switch. - Check the clearance between refrigerator and wall (50 mm in the freezer compartment. Keep clearance between the - Check dust on the...

Owner's Manual - Page 90

9) Abnormal Cooling Fan Error NO. NOTE: If error code is detected, Fan Motor will try to Step 5 - 89 - ON OFF ON OFF ON ... Result Air Flow Normal Service Action Go to Step 4 No Air Flow Abnormal Go to Step 5 Air flow direction Check Motor rotation (air flow) is continuous for more than 3 minutes. 4 NOTE: If error is displayed, Fan won...

Owner's Manual - Page 91

... Cover PCB. 4) Check voltage in CON 6 as shown in the pictures. (b) ~ (c) Disconnect Motor connector, and check status of rust and dirt. CHECKING FLOW 1) Reset product. 2) Enter to the customer Cooling Fan Error Code appears Abnormal Replace Cooling Fan Motor - 90 - Also, the terminals red with a T.P.A., Motor wire must be free of plated terminals. 6 Terminals contact surface must not...

Owner's Manual - Page 92

... Freezer Fan Motor manually, feel the rotation condition, then proceed. 2 RESULT & SERVICE ACTION Result Service Action Tight Movement Abnormal Free movement Normal Go to Step 3 1) Turn On the product. 2) Remove Cover PCB, then press TEST S/W on Main PCB to enter to Step 5 - 91 - CHECKING FLOW 1 Turn Off the product. NOTE: If error code is displayed, Fan...

Owner's Manual - Page 93

... once TEST S/W on Main PCB) 5 RESULT & SERVICE ACTION Result Service Action (a) ~ (b) Below 10V Change Main PCB (b) ~ (c) 0V or 5V Go to the customer Freezer Fan Error Code appears Abnormal Replace Freezer Fan Motor - 92 - Reset the product. After 3 minutes execute DISPLAY CHECK MODE, check the result. 7 Result Wire damage,rust, dirt, TPA absences. Normal appearance Service...

Owner's Manual - Page 106

... section NO. Remove the EPS duct carefully (without disconnect). Look for any damage. CHECKING FLOW 1) Turn Off the refrigerator. 2) Remove Grille Fan assembly, and check the movement of Freezer Fan Motor manually, feel the rotation condition, then proceed. 6 RESULT & SERVICE ACTION Result Tight movement Free movement Service Action Replace Freezer Fan Motor Go to Step 8. 3) Turn On the...

Owner's Manual - Page 107

...). Result Service Action a~b Below 10 V Change Main PCB Other Go to Step 11 b~c 0V or 5V Change Fan Motor Other Go to Step 11 a ~b 3) Check Voltage in CON 6 as shown in the pictures. 10 b~c 1) Reset the refrigerator. 2) Enter to TEST MODE 1 (Press TEST S/W once). 3) Check Voltage in CON 1. 4) Enter to TEST MODE 2 (Press...

Owner's Manual - Page 109

..., feel the rotation condition, then proceed. 6 RESULT & SERVICE ACTION Result Tight movement Free movement Service Action Replace Freezer Fan Motor Go to Step 7 1) Remove Control Box in Freezer section NO. Look for any damage. 17) Poor Cooling in refrigerator sensor. 7 2) Check for damper baffle and check the movement by entering to TEST MODE 1 (Press once) and...

Owner's Manual - Page 110

... Change Fan Motor Other Go to Step 11 a ~b 3) Check Voltage in CON 6 as shown in the pictures. 10 b~c 1) Reset the refrigerator. 2) Enter to TEST MODE 1 (Press TEST S/W once). 3) Check Voltage in CON 1. 4) Enter to TEST MODE 2 (Press TEST S/W once again). 5) Check Voltage in Freezer section NO. CHECKING FLOW 1) Unplug Damper Motor 2) Check the Damper Motor impedance...

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