LP121HEM LG Air Conditioner - Overview

Sections of the LP121HEM

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MECHANICAL Diagram and Parts List for LG Air Conditioner
MECHANICAL

Manuals & Care Guides for LP121HEM

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Manual
Owner's Manuals
(6.32MB)
Manual
Owner's Manuals
(3.27MB)
Keep searches simple, eg. "belt" or "pump".
Cross Flow Fan Assembly – Part Number: 5901A20050A
Cross Flow Fan Assembly
PartSelect #: PS3528648
Manufacturer #: 5901A20050A
The cross flow fan assembly, also known as a evaporator fan blade, works in conjunction with your air conditioner by blowing air through the evaporator to cool the air. If your air conditioner is maki...
$139.19
  In Stock
FILTER,AIR – Part Number: 5230A20021E
FILTER,AIR
PartSelect #: PS12747807
Manufacturer #: 5230A20021E
This is a genuine LG air filter sourced directly from the manufacturer. It is designed for your LG air conditioning unit, and prevents dirt, debris, and other airborne particles from entering your hom...
$58.60
  In Stock
Damper,Compressor – Part Number: 4H00982E
Damper,Compressor
PartSelect #: PS3525492
Manufacturer #: 4H00982E
$10.31
  In Stock
Fan Assembly,Axial – Part Number: 5901A20051A
Fan Assembly,Axial
PartSelect #: PS3528649
Manufacturer #: 5901A20051A
$66.31
  Special Order
Transformer,Linear – Part Number: 6170A20012A
Transformer,Linear
PartSelect #: PS3528861
Manufacturer #: 6170A20012A
$131.20
  Special Order
Grille Assembly,Front – Part Number: 3531A10149D
Grille Assembly,Front
PartSelect #: PS3519336
Manufacturer #: 3531A10149D
$278.89
  Special Order
Connector,Terminal Block – Part Number: 3H00390A
Connector,Terminal Block
PartSelect #: PS3522744
Manufacturer #: 3H00390A
$13.39
  Special Order
Capacitor – Part Number: 3H00660C
Capacitor
PartSelect #: PS3522746
Manufacturer #: 3H00660C
$56.11
  Special Order
Knob Assembly – Part Number: 4941A30015B
Knob Assembly
PartSelect #: PS3524465
Manufacturer #: 4941A30015B
$5.95
  Special Order
Power Cord Assembly – Part Number: 6411A20048M
Power Cord Assembly
PartSelect #: PS3529070
Manufacturer #: 6411A20048M
$178.20
  Special Order
Cover Assembly,Top(Indoor) – Part Number: 3551A20223A
Cover Assembly,Top(Indoor)
PartSelect #: PS3520214
Manufacturer #: 3551A20223A
$78.78
  Special Order
Door – Part Number: 3580A20021B
Door
PartSelect #: PS3520525
Manufacturer #: 3580A20021B
  No Longer Available
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Questions And Answers for LP121HEM

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Common Symptoms of the LP121HEM

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Noisy
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Fixing
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Blower fan motor
Blower fan motor not working. Partselect representative he guide me. Make sure new motor diameter is wide. Purchase motor with mounting bracket. Old motor bracket will not working . my Ptac after installing new motor running smoothly.
Parts Used:
Fan Motor
  • Nimesh from Urbana, IL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Pliers, Screw drivers
3 of 4 people found this instruction helpful.
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Motor mount broke due to imbalance caused by mud dobber nests.
Pulled PTAC out of wall sleeve, unhook wire harness from control area, remove condenser shroud and motor and fan blade all at the same time. Replaced motor bracket and re-installed in reverse order.
Parts Used:
Room Air Conditioner Fan Bracket
  • Travis from LOUISVILLE, IL
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Screw drivers
1 person found this instruction helpful.
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