Samsung AR09MSPXAWKNEU manual Troubleshooting, Cleaning and Maintenance, Problem, Solution

Cleaning and Maintenance

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 power cord, then operate the air
The air conditioner does	conditioner 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.
I cannot change the	• Check whether the Fan or Fast mode is running. In these modes, the air
	conditioner controls the set temperature automatically, and you cannot
temperature.
	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 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 whether the outdoor unit is covered or installed near obstacles.
	Remove the coverings and obstacles.
	• Check whether the air conditioner is running the defrost function. When ice
Cool or warm air does	forms in winter or the outdoor temperature is too low, the air conditioner
not come out of the air	runs the defrost function automatically. While this function is running, the
conditioner.	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.
I cannot change the air	• Check whether the good'sleep function is running. While this function is
	running, you cannot control the air flow direction. (But you can control the
flow direction.
	air flow direction if this function is running in the Heat mode.)
I cannot change the fan	• When the Auto, Dry, or Fast mode is running or the good'sleep function
	is running in the Cool mode, the air conditioner controls the fan speed
speed.
	automatically and you cannot change the fan speed.

30English

DB68-06728A-01.indd 30

5/2/2017 2:47:46 PM