Toshiba RAC-WK0512CMRU User Manual page 23

Problem Solution
Air conditioner Dirty air fi lter- air restricted. Clean air fi lter.
turns on and off
Outside temperature extremely hot. Set FAN speed to a higher setting to bring
rapidly.
air past cooling coils more frequently.
Check for potential obstructions blocking the outdoor intake/exhaust. Clear any
obstructions.
Air movement sound. This is normal. If too loud, set to a slower FAN setting.
Noise when unit is
Window vibration - poor installation. Refer to installation instructions or check
cooling.
with installer.
Water dripping Improper installation. Tilt air conditioner slightly to the outside to allow water
INSIDE when unit drainage.
is cooling. Refer to installation instructions - check with installer.
Water dripping
Unit removing large quantity of moisture from humid room. This is normal
OUTSIDE when
during excessively humid days.
unit is cooling.
Remote sensing Remote control not located within range. Place remote control within 16.4 feet &
deactivating 180°, radius of the front of the unit, and pointed
prematurely (some in the general direction of the air conditioner unit.
models).
Remote control signal obstructed. Remove obstruction.
Room too cold. Temperature setting too low. Increase temperature setting.
Noise when unit A "da-da" sound may occur for thirty seconds when the unit is turned on due to
starts. the compressor starting. It is normal.
Unit will not For additional support and troubleshooting tips, follow the link in this QR code:
connect to WiFi or
App does not work
(some models).
User Manual Page 23