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Troubleshooting
Refer to the following chart if the air conditioner operates abnormally. This may save time and
unnecessary expense.
Problem
The air conditioner
does not operate
at all.
The temperature
does not change.
The fan speed does
not change.
The air flow
direction does not
change.
The wireless
remote control
does not operate.
The Timed on/off
function does not
operate.
• Check if the power plug is properly connected.
• Check whether the auxiliary power switch (ELCB, ELB) is turned on.
• If the auxiliary power switch (ELCB, ELB) is turned off, the air
conditioner does not work although you press the
button.
• When you clean the air conditioner or do not use it for an extended
period of time, turn off the auxiliary power switch (ELCB, ELB).
NOTE
• The auxiliary power switch (ELCB, ELB) is sold separately.
• Make sure that auxiliary power switch (ELCB, ELB) is installed in
the distribution box inside the building.
• If the air conditioner is turned off by the Timed off function, turn on
the air conditioner again by pressing the
• Check whether the Auto or Fan mode, or the Turbo function is
running. In these modes and function, the air conditioner controls
the set temperature automatically, and you cannot change the set
temperature.
• Check whether the Auto or Dry mode, or the Turbo or Long
reach function is running. In these modes and functions, the air
conditioner controls its fan speed automatically, and you cannot
change the fan speed.
• Check whether the Long reach function is running. In the Long reach
function, only horizontal air flow direction can be changed.
• Check whether the batteries are discharged. Replace the batteries
with new ones.
• Make sure that nothing is blocking the remote control sensor.
• Check whether any strong lighting sources are near the air
conditioner. Strong light which comes from fluorescent bulbs or
neon signs may interfere with the remote control.
• Check whether you pressed the
control after setting the on/off time. Set the on/off time.
Solution
(Power) button.
(SET) button on the remote
(Power)
25
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