LG Multi-Inverter Service Manual page 83

4. Trouble Shooting
Check Point
1. Check the connection of H/press switch
2. Check short or not at the connector of high pressure switch (Normal open)
27/30/40k
< Main PCB : Connection Check Point > < Checking the Press switch >
48/56k
< Main PCB : Connection Check Point > < Checking the H/press switch >
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