LG LAN121CNM Service Manual - Page 57
Outdoor Unit
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OUTDOOR UNIT Connector Type Condition CN-POWER RY-COMP terminal OPEN Connecting reversely OPEN Connecting reversely CN-TRANS CN-FAN The connecting wire of CNDC/DC, and Indoor and Outdoor Unit OPEN OPEN OPEN Connecting error ( ) Blue Black Brown Red Connecting error ( ) Connecting error ( ) Connecting error ( ) Connecting error ( ) Connecting error ( ) Phenomena • All functions stop. • The operation with the remote controller, forced and test one do not operate. • PWB pattern is damaged when applying the power. • All functions stop or the compressor does not operate. • The operation with the remote controller, forced and test one do not operate. • All functions stop. • The operation with the remote controller, forced and test one do not operate. • All functions stop. • The operation with the remote controller, forced and test one do not operate. • The Indoor Fan does not operate. • All functions stop. • The operation with the remote controller, forced and test one do not operate. • The only signal of remote controller operation/stop is inputted, but the product does not operate. • The RED indicator of outdoor unit blinks 5 times after 2 minutes with applying the power. • The beep sound, such as "beep, beep, beep, beep, beep", occurs periodically in Indoor unit. • The signal input of a remote controller and operation of product is impossible. • The RED indicator blinks 5 times after 2 minutes with applying the power. • The signal of remote controller is inputted, but the product does not operate. • The RED indicator of outdoor unit and the operation indicator of indoor one blinks 5 times after 2 minutes with applying the power. • No power for Indoor unit. • The signal input of the remote controller and opera- tion of product is impossible. • The thermal protector of the Power Trans operates when let it alone for long time. • The signal of the remote controller is inputted. • The fuse and Q61 in the Outdoor unit are damaged when the indoor fan is operated. • No power for Indoor unit. • The signal input of the remote controller and opera- tion of product is impossible. • The RED indicator of the Outdoor unit blinks 5 times after 2 minutes with applying the power. Service Manual 57