LG ARUN096BT2 Installation Manual - Page 70
How to Cope with Test Run Abnormality
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Test Run How to Cope with Test Run Abnormality The phenomena from main component failure Component Phenomenon Cause Check method and Trouble shooting Compressor Not operating Stop during running Abnormal noise during running Motor insulation broken Check resistance between terminals and chassis Strainer clogged Change strainer Oil leakage Check oil amount after opening oil port Motor insulation failure Check resistance between terminals and chassis R-S-T misconnection Check compressor R-S-T connection Outdoor fan Outdoor EEV High pressure error Motor failure, Check the outdoor fan operation after being at cooling bad ventilation around turned the outdoor units off for some time. outdoor heat exchanger Remove obstacles around the outdoor units Heating failure, fre- Bad connector contact Check connector quent defrosting No operating sound Coil failure at applying power Check resistance between terminals Heating failure, EEV clogged frozen outdoor heat exchanger part Service necessary Low pressure error EEV clogged or discharge temperature error Service necessary When system fault occurs, the error code is displayed at indoor unit display or remote control display, the trouble shooting guide is in the service manual 70 Outdoor Unit
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