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Check the listed conditions in the followings. Perhaps you may find the solutions for the problems and save time and
money as well.
Not operating
Is the power cord connected to the power source?
Is the circuit breaker or fuse open or broken?
- Close the circuit breaker again or replace the fuse.
Is the power cut off?
- Turn on a lamp switch to see if it can light up so as to confirm.
No cool air or insufficient cool air
Is there any error on the indicated temperature setting?
Is the indicated set temperature higher than the room temperature?
- Reset the indicated set temperature.
Does the sun shine directly into the room?
- Shade the sunlight with window curtain, etc.
Is the door or window open?
- Close the entrance, exit of the window.
Are there any obstacles blocking the ventilation of the air inlet or outlet of the air conditioner?
- Remove the obstacles.
Has the extractor fan in the room been continuously operating?
Is the air filter blocked?
- Replace the filter.
Is the air exhaust button in the open position?
- Close the air exhaust door
Correct installation mat reduce vibration and noise.
This unit produces lower noise, but incorrect installation (especially when the unit is directly installed on the glass
window) may result in larger vibration noise. Therefore, we recommend that the installation of this unit be conducted by
the special air conditioner installation team, in accordance with the installation manual we provide with the product.
PRIOR TO CALLING FOR SERVICE
RCA INST MANUAL