LG General Wall Mounted-Inverter Type User Manual

Page of 67
Service Manual  5
Part 1   General Information 
Do not turn on the breaker when the front panel and cabinet are removed.
Be sure to ground the air conditioner with an earthing conductor connected to
the earthing terminal.
Conduct repair works after checking that the refrigerating cycle section has
cooled down sufficiently. Otherwise, working on the unit, the hot refrigerating
cycle section  can cause burns.
Do not tilt the unit while removing panels. Otherwise, the water inside the unit
can spill and wet floor.
Do not use the welder in a well-ventilated place. Using the welder in an enclosed
room can cause oxygen deficiency.
Be sure to turn off power switch before connecting or disconnecting connector,
or parts damage may be occur.
Do not use a defective or underrated circuit breaker. Use the correctly rated
breaker and fuse. Otherwise there is a risk of fire or electric shock.
Install the panel and the cover of control box securely. Otherwise there is risk of
fire or electric shock due to dust, water etc.
Indoor/outdoor wiring connections must be secured tightly and the cable should
be routed properly so that there is no force pulling the cable from the connection
terminals. Improper or loose connections can cause heat generation or fire.
Do not touch, operate, or repaire the product with wet hands. Holding the plug by
hand when  taking out. Otherwise there is risk of electric shock or fire.