Troubleshooting

If the air conditioner operates abnormally, refer to the following chart to save time and unnecessary expenses.

Problem	Solution

	• Check the power status, then operate the air
	conditioner again.
	• Switch on the circuit breaker, plug in the
The air	power cord, then operate the air conditioner
conditioner does	again.
not work at all.	• 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.

	• Check whether the Fan or Fast mode is
I cannot change	running. In these modes, the air conditioner
the temperature.	controls the set temperature automatically,
	and you cannot change the set temperature.

	• 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
Cool or warm air	change the set temperature.
does not come	• Check whether the air filter is blocked with
out of the air	dirt. If the air filter is blocked, the cooling
conditioner.	and heating performance may decrease.
	Remove dirt regularly.
	• Check whether the outdoor unit is covered
	or installed near obstacles. Remove the
	coverings and obstacles.

Cleaning and Maintenance

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AR12MSFPEWQNEU, AR07MSFPEWQNEU, AR12MSFPEWQNET, AR24MSFPEWQNEU, AR18MSFPEWQNEU specifications

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