Samsung AG TN1DKH Series, User Manual

17

English

Cl

eaning and Maint

enanc

e

Troubleshooting

Refer to the following chart if the air conditioner operates abnormally. This may save time and 

unnecessary expense.

Problem

Solution

The air conditioner 

does not operate 

at all.

• 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 

 (Power) button.

• 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 

 (Power) button.

The temperature 

does not change.

• 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.

Warm air does not 

come out of the air 

conditioner.

• 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.

The fan speed does 

not change.

• 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.

The wireless 

remote control 

does not operate.

• 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. 

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interfere with the remote control.

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