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Lg dual inverter ac error code ch 21.
A full list of lg air conditioning fault codes by keyword.
Split type mutli system floor standing cassette type ptac type portable ac troubleshooting and manuals.
I have a lg dual inverter model nt187sk3 the unit have an alarmed code ch 38 what is the cause of this alarm code several times i checked the unit i need your opinion about this matter thanks.
Inverter compressor run current high.
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Every fault code for lg air conditioners explained.
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.
If the condenser is in heating and any slave is set to cooling a ch07 fault code will appear.
Ch 43 high pressure sensor failure master 431 slave1 432 slave2 433 slave3 434 ch 44 outdoor unit ambient sensor faulty master 441 slave1 442 slave2 443 slave3 444 ch 45 condenser pipe sensor defective master 451 slave1 452 slave2 453 slave3 454 ch 46 compressor suction temperature thermistor defective ch 47 constant1 compressor outlet pipe temperature sensor.
Discover split air conditioners.
We don t only describe why the code has appeared but also explain how to resolve the problem.
Check compressor windings all equal 1 to 4 ohms check to earth 50 mohm minimum check run current.
Heat sink temperature sensor open or closed circuit.
Learn how to use update maintain and troubleshoot your lg devices and appliances.
Central controller disconnection error no response from air conditioner.
