Lg Inverter Mini Split Codes

My lg mini split ac system blinks code 21.

Lg inverter mini split codes.

The store that i bought it from wont replace the unit as they cant find any problems with this. I also have an ac split type 1 5 inverter and this is a recurring problem. I think lg needs to look at this problem. Split type mutli system floor standing cassette type ptac type portable ac troubleshooting and manuals.

Systems are available in 9 000 12 000 18 000 and 24 000 btu h capacities. Standard single zone inverter. Excessive current at inverter dc power circuit can be indoor pipe outlet sensor or outdoor condenser sensor on some models 0. If the condenser is in heating and any slave is set to cooling a ch07 fault code will appear.

This video making for learning ac repairing work for new technician and for helping about this video this video in learn lg inverter split ac indoor display. And it does that does that randomly every 2 3 days during the week. After turning off the breaker for a minute and turning back on it runs for 10 15 minutes but not nearly as cold as it used to be then shuts off and blinks 21 again. We don t only describe why the code has appeared but also explain how to resolve the problem.

This unit ran fine for over a year till last 3 weeks. Every fault code for lg air conditioners explained. Had the unit checked by a tech everything is within spec no air obstructing it. Pressing the buttons on the remote doesn t do anything.

To locate the cause you will need to use a coolant gauge and some diagnostic software. If there is a fault on any lg universal unit a two digit number will appear on the remote controllers led display if the unit does not have a remote controller the fault will be displayed using the led s on the front of the indoor unit. Pipes have been replaced ac was cleaned freon replaced and this still occurs from time to time. I have a 5 zone mini split unit that turns off and displays ch35 whats is really odd that is always happening between 4 6 in the morning.

Lg air conditioning multi f dx fault codes sheet macedo november 2007 8 fault code 07 on multi split systems the first unit switched on is the cool heat master the master tells the condensing unit what to do. If you need information about a split unit or duct free air. Learn how to use update maintain and troubleshoot your lg devices and appliances.