Our LG heat pump flashes ch 67. What's the cause and how do we fix it please? When you pay $5,000 for a unit you would expect it to work for more than 2 months. Thank you.

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!

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SOURCE: need schmatic for ep2500

http://www.qsc.com/support/library/schems/Current/RMX%20Series/rmx1850.pdf is a similar product, ie perfectly identical in most respects. This may not be trivial. Good luck.

SOURCE: Should the LG LS-K-1830CL outdoor unit ice over on

Running the heat pump in low outside ambient temps. will definitely cause the coil to ice up. An ouside temperature senor or a wind baffle should be installed in climates that get below freezing. This would definitely cause the heat pump to operate at lowered efficency and maybe not at all. It should go into defrost mode if the sensor is working correctly when the coil ices up.

SOURCE: The oven won't heat, but the broiler works. Is it

Hi,
Check out this tip that I wrote about this problem...

http://www.fixya.com/support/r4511800-oven_problems_electric_oven_heating

heatman101

SOURCE: LG Ductless Mini Split System LAN125hv: Heat pump doesn't run.

CA: Compressor Discharge Sensor Fault

Contact a qualified service technician and have them replace this sensor.