39
AppendixAppendix
Problem Solution
The air conditioner does not
work at all.
• Check the power status, then operate the air conditioner again.
• Switch on the circuit breaker, plug in the power cord, then operate
the air conditioner again.
• Make sure that the isolator is turned on.
• Check whether the Timed off function is running. Operate the air
conditioner again by pressing the Power button.
I cannot change the
temperature.
• Check whether the Fan or Fast mode is running. In these modes,
the air conditioner controls the set temperature automatically,
and you cannot change the set temperature.
Cool/Warm air does not come
out the air conditioner or
performance is reduced.
• Check whether the set temperature is higher in the Cool mode
or lower in the Heat mode than the current temperature. Press
the Temperature button on the remote control to change the set
temperature.
• Check whether the air filter is blocked with dirt. If the air filter
is blocked, the cooling and heating performance may decrease.
Remove dirt regularly.
• Check if the outdoor unit is covered or installed near the obstacle.
Take the cover off and take the obstacle away. When clearing the
obstacle (e.g. snow or ice), use suitable tools so as to be careful
not to damage the product nor injure yourself during this process.
• Check whether the air conditioner is running the defrost function.
When ice forms in winter or the outdoor temperature is too low,
the air conditioner runs the defrost function automatically. While
this function is running, the indoor fan stops and warm air does
not come out.
• Check whether doors or windows are open. This may cause poor
cooling or heating performance. Close the doors and windows.
• Check whether the air conditioner is turned on immediately after
the cooling or heating operation stops. In this case, only the fan
runs to protect the outdoor unit compressor.
• Check whether the pipe length is too long. When the pipe length
exceeds the maximum pipe length, the cooling and heating
performance may decrease.
If the air conditioner operates abnormally, refer to the following chart to save time and unnecessary
expenses.
Troubleshooting
CAC001-00_IB_RAC QMD_EU_EN-WEB_.indd 39 2020-02-05 오후 12:54:51
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