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BDMH12SB (AMBAHCI) LG Air Conditioner - Overview

Diagrams for BDMH12SB

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Parts for the BDMH12SB

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BEARING – Part Number: 4280A20004M
$12.85
In Stock
BEARING
★★★★★
★★★★★
(2)
Part #4280A20004M
Unusual noise from an indoor blower can be caused by a worn blower wheel bearing. This replacement bearing provides a smooth support point that allows the wheel to rotate while moving air across the room. Inspect the wheel for cracks, dirt, rubbing marks, or looseness, since these problems can produce similar sounds. Turn off the unit at the breaker and verify that power is disconnected before opening the cabinet. Keep track of screws, clips, and wheel position during removal. Install the bearing in the correct direction, avoid forcing it into place, and spin the wheel by hand to check for rubbing before reassembly.
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Remote Control – Part Number: AKB74375404
$79.80
In Stock
Remote Control
Part #AKB74375404
FILTER,AIR – Part Number: 5230A20064K
$28.42
Special Order
FILTER,AIR
Part #5230A20064K
Fan Assembly,Cross Flow – Part Number: 5901A20017H
$67.82
Special Order
Fan Assembly,Cross Flow
★★★★★
★★★★★
(2)
Part #5901A20017H
This is a cross flow fan assembly for an air conditioner. This is a genuine replacement part sourced directly from the original manufacturer. A cross flow fan assembly is a key part of your air conditioner. It prevents the internal parts of your appliance from overheating by creating a wide and even flow of air throughout the inside of the air conditioner. If you are noticing your appliance getting too warm or overheating, it is recommended to stop using the appliance before replacing the fan. Continuing to use the appliance could cause internal damage to other parts. It is made entirely of plastic, and is off-white in color. This part is sold individually.
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THERMISTOR ASSEMBLY,NTC – Part Number: EBG61107004
$31.58
Special Order
THERMISTOR ASSEMBLY,NTC
Part #EBG61107004
PCB Assembly,Main – Part Number: 6871A20771C
$113.45
Special Order
PCB Assembly,Main
Part #6871A20771C
Filter Assembly,Deodorizer – Part Number: 5231A20040K
No Longer Available
Filter Assembly,Deodorizer
Part #5231A20040K
Motor Assembly,AC,Indoor – Part Number: 4681AR2295L
No Longer Available
Motor Assembly,AC,Indoor
Part #4681AR2295L
Motor Assembly,DC,Stepping – Part Number: 4681A20055A
$24.95
Special Order
Motor Assembly,DC,Stepping
Part #4681A20055A
PLATE ASSEMBLY,INSTALLAT – Part Number: 3301A20020G
$36.85
Special Order
PLATE ASSEMBLY,INSTALLAT
Part #3301A20020G
Hose Assembly,Drain – Part Number: 5251A20011G
No Longer Available
Hose Assembly,Drain
Part #5251A20011G
Louver,Horizontal – Part Number: 5990A20068A
$36.85
Special Order
Louver,Horizontal
Part #5990A20068A
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Common Symptoms of the BDMH12SB

How this model fails, and the parts that fix it.

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Plastic fan broke when I attempted to clean it
1 of 2 people found this instruction helpful.
  • Donna from Austin, TX
  • Difficult
  • 1- 2 hours
  • Nutdriver, Pliers, Screw drivers, Socket set
The inside air blower for the LG mini-split collects lint and clogs up. Removing the broken blade requires removing the outer plastic housings, then screws at each end of the blower housing. Some screws at the control end require removing the control units first. There is a set screw that connects the fan to the motor shaft at the control end. There is a missing blade in the fan to allow access. This screw was lock-tighted in place and required significant force to loosen. The new fan took some wiggling to get it onto the shaft. Then replace the screws at each end of the fan housing, followed by the control unit screws, and the plastic outer covers. It was not an easy job. I used more care with a small bottle brush to clean the second fan unit and avoided breaking that fan.
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