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Error code CH-04

In LG multi split/cassette type units, error code ch-04 means Float switch Open circuit (High level water alarm). Dis assemble the indoor and clean drain pan.

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what does the code on the screen mean flashes between ch and 05 ?


CH 5 on these units indicates a communications error between the indoor and outdoor units. Generally, it will require a replacement outdoor board assembly to repair it. Lookup LG parts on the internet or ring them for your nearest Agent or parts. 800 243-0000

Oct 15, 2016 | LG Art Cool LA181CNW Split System Air...

1 Answer

My indoor lg mini split unit the cool light flashes 4 time what's wrong


Indoor unit faults = CH04 or C4
Fascia LED's
- RED = None
- GREEN = 4 Flash
Contents = Drain Pump / Float Switch
Case of Error = Float Switch Open Circuit (High Level Water Alarm)
Indoor Status = Off

clean your condensate drain line you can do this with a shop vac,
Read more: http://dgoma.es/multisplit_lg/lg-multi-split-units-error-code/#ixzz34dr3Cu00
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May 26, 2014 | LG LMN127HVT LMN127HVT 12 000 BTU Ductless...

2 Answers

error code ch 05


Comms Error, check your wiring, remove external pumps. Split/Multi - check volts from terminal N to 3 = 0 - 65 Vdc, Multi V - 4 Vdc terminals 3 and 4

Feb 03, 2011 | LG Art Cool LA181CNW Split System Air...

1 Answer

when i turn it on, the fan runs for a minute then shuts off. the red light blinks 4 times then a 5 second pause, blinks 4 times, then pause and so on and so on


Please always write with models and brand name. to solve your problem at once.
With your details, it means Float switch Open circuit (High level water alarm).
Drain pan full of water and dusty. Clean it by dis assemble the unit. Call qualified repairman.

Jan 04, 2011 | Heating & Cooling

1 Answer

system 3 in-door with system 4 out door inverter. all in door unit show error code CH24 pls help


CH 24-Splits and Multi Splits = High or low pressure trip. Low at 1 bar High at 35 bar check pressures. Multi V = High pressure trip.

Nov 17, 2010 | LG LS-L1210CL Mini Split Air Conditioner

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