LG LMU360CE Service Manual - Page 70
When indoor Fan does not operate.
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Troubleshooting Guide Trouble 4 When indoor Fan does not operate. When indoor Fan does not operate. Does the voltage of each terminals of CN-MOTOR CONNECTOR in Indoor unit corresponds to values in the Table of page 69 Does the voltage of terminal of CN-DC/DC CONNECTOR in Indoor unit corresponds to the values in the table of page 56 Check connecting condition of the CN-MOTOR CONNECTOR Do the voltage of terminal of CN-DC/DC CONNECTOR in Outdoor unit corresponds to the values in the table of page 56 Check the pattern and the condition of Indoor unit PWB Ass'y. Check the interference of Indoor Fan. NO YES Check the patterns and the conditions of outdoor unit PWB Assy's. Check the connecting condition and disconnection of connecting wires between Indoor and Outdoor unit. Check the motor of Indoor Fan Indoor Fan may be stopped in the Soft Dry Mode(change to the Cooling Operation Mode). Indoor Fan is to be stopped when Indoor pipe(coil) termperature is lower than 79°F. (At that times, Defrost indicator is turned on) 70 Multi type Air Conditioner