Troubleshooting Guide
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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Location of 4way valve connector on
Main PCB(marked as 4way,CN09)
** Confirm the 4way valve coil is inserted to the end
* Measure the resistance of 4way valve
*** Check the output voltage of terminal socket
during heating operation
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