Operate the air conditioner at the following settings for 2 to 3 hours.
Type of operation: Fan operation mode.
This will dry out the internal mechanisms.
Turn off the breaker.
Turn off the breaker when the air conditioner is not going to be used for a long time.
Dirt may collect and may cause a fire.
The air filters and your electric bill.
If the air filters become clogged with dust, the cooling capacity will drop, and 6 % of the electricity used to operate the air conditioner will be wasted.
Clean the air filter and install it in the indoor unit.
Check that the air inlet and outlet of the indoor/outdoor unit are not blocked.
Check that the ground wire is connected correctly. It may be connect to the indoor unit side.