Question about LG LMN125HVT Air Conditioner

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I just had a LG LMN125HVT mini split system installed. Keep getting CH 07 error.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Therinnaiguy
  • 1420 Answers

SOURCE: lg split system air conditioner

Try sutting off the power to both units. This may reset the unit. Check out the service manual at LG website www.lgusa.com. Go to their support page and put the model number in. Remove and replace the batteries in the remote. If there is a communication error, the inside unit will display 3 flashes. If all else fails, call LG at 1-800-243-0000. Good Luck!

Posted on Aug 30, 2007

  • 1 Answer

SOURCE: error ch 5

check all wiring and connections - ch 5 is a communication error between the indoor unit and the outdoor unit......

Posted on Dec 16, 2007

  • 30 Answers

SOURCE: lg split system ch 05

Solution # 1, Check Condensor Fan Motor Capacitor 4uf or MFD
# 2, Check Motor Windings
# 3, Check Relay OR Defination Contactor
# 4, Check Connection Terminals

hope will help u 2 solve this

GOOD LUCK

Posted on Feb 16, 2009

  • 400 Answers

SOURCE: LG Inverter Air Conditioner showing CH 02 what can I do?

The model number would be on the right hand side of the outdoor unit and same on the indoor unit if it is a midwall split. If it is a flat cassette cieling type you may need to open the grill, which is simply two little levers either side of the grill, and the grill will swing open. Without the model number it is difficult to give accurate info. However, I can offer the following. One, check the condensate drain. You can just blow into the drain pipe from the outside and this sometimes clears clogged mud in the drainpan. Or two, error reading can also come from phase failure (in the case of a three phase unit) or power related problem. This can be solved by switching off the mains and then switching on again to reset. If you have a phase failure you would need an electrician to confirm that the power supply is good. Unless you have a volt meter.

Posted on Mar 04, 2009

  • 659 Answers

SOURCE: my lg art cool start working but stops showing in the lcd CH / 07

Sounds like the display has gone out or loosing power to it.

Posted on Apr 18, 2009

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3 Answers

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Solution # 1, Check Condensor Fan Motor Capacitor 4uf or MFD
# 2, Check Motor Windings
# 3, Check Relay OR Defination Contactor
# 4, Check Connection Terminals

hope will help u 2 solve this

GOOD LUCK

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2 Answers

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check all wiring and connections - ch 5 is a communication error between the indoor unit and the outdoor unit......

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