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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 immediately
after it has been
restarted.
The air conditioner does
not operate at all.
The temperature does
not change.
Warm air does not come
out of the air conditioner.
The fan speed does not
change.
• Because of the protective mechanism, the appliance does not start
operating immediately to keep the unit from overloading. The air
conditioner will start in 3 minutes.
• Check whether the power is turned on, and then operate the air conditioner again.
• Check whether the auxiliary power switch (MCCB, ELB) is turned on.
• If the auxiliary power switch (MCCB, ELB) is turned off, the air conditioner
does not work although you press the
• When you clean the air conditioner or do not use it for an extended period
of time, turn off the auxiliary power switch (MCCB, ELB).
• After the air conditioner is not used for an extended period of time, be sure
to turn on the auxiliary power switch (MCCB, ELB) 6 hours before starting
operation.
NOTE
• The auxiliary power switch (MCCB, ELB) is sold separately.
• Make sure that auxiliary power switch (MCCB, 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 Fan mode is running. In the Fan mode, the air
conditioner controls the set temperature automatically, and you cannot
change the set temperature.
• Check whether the outdoor unit is designed for cooling only. In this case,
warm air does not come out although you select the Heat mode.
• Check whether the remote control is designed only for cooling only. Use a
remote control that supports both cooling and heating.
• Check whether the Auto or Dry mode is running. In these modes, the air conditioner
controls the fan speed automatically, and you cannot change the fan speed.
Solution
(Power) button.
(Power) button.
English
15
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