Troubleshooting Guide

Before contacting the service center, check the following. It will save your time and the expense of an unnecessary call.

Problem

Explanation/Solution

 

 

The air conditioner does not operate.

Check if the circuit breaker of the air conditioner is switched on.

Check if the air conditioner is turned on. If necessary, press the

button on the remote control.

Check if the Timer indicator on the indoor unit is on.

If so:

-Wait until the set time is reached and the air conditioner starts automatically.

-Cancel the Timer. (See pages 16 and 17 for further details)

The air conditioner does not operate with the remote control.

Check if there are no obstacles in front of the indoor unit.

Check the remote control batteries.

Make sure that you are within 7 meters from the indoor unit.

No beep is heard when you press

Check if you are pointing the remote control at the remote control

the

on the remote

sensor on the right side of the indoor unit.

control.

 

Replace the remote control batteries if necessary.

 

 

The air conditioner does not cool.

Check if the correct operating mode has been selected

 

 

(Auto, Cool).

The room temperature may be too low.

Check if the air filter is dirty; refer to page 23 for cleaning instructions.

Check that there is no obstacle in front of the outdoor unit.

The fan speed does not change

Check if the mode is set to the Auto, Cool or Fan mode;

when you press the

button.

in the Dry mode, the fan speed changes automatically.

The airflow direction does not Check if the air conditioner has been turned on; if necessary, press

change when you press thethe button on the remote control. button.

The timer is not correctly triggered. Check if the timer is set correctly; see pages 16 and 17.

Odor permeates into the

You can use the Fan mode to ventilate your room.

room during operation.

 

 

 

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Samsung AST18WJWB/UMG, AST24W6WB/UMG, IAST18WJWB/MOC manual Troubleshooting Guide