- The doors or windows are not
closed.
Make sure all the windows and
doors are closed.
- There are heat sources inside the
room.
Remove the heat sources if
possible
- Exhaust air hose is not connected or
blocked.
Connect or clean the exhaust air
hose.
- Temperature setting is too high.
- The ground is not level or not flat
enough
Place the unit on a flat, level
ground if possible
- The sound comes from the flowing
of the refrigerant inside the air
conditioner
Room temperature sensor failed
Replace room temperature
sensor (the unit can also work
without replacement.)
Condenser temperature sensor failed
Replace condenser temperature
sensor
Water tray full when cooling
Take off rubber stopper and
empty the water.
Evaporator temperature sensor failed
Replace evaporator temperature
sensor
Water tray full when heating
Please empty the water tray.
Note:
1. Please place the machine upright for at least 4-6 hours before first using. The compressor in the
machine was bumped in transit and need still storage.
2. Thanks to every customer for choosing WANAI and trust in WANAI. Our customer service is dedicated
to solving every after-sales problem for you. If there are any questions about our products, please feel free to
contact us via Amazon communication or after-sale email address wanaiamz@163.com, we will reply in 24
hours and provide you with a satisfactory answer.