Samsung SH07AS2 Service Manual

Also see for SH07AS2: Installation manual Owner's instructions Owner's instructions Technical manual

Contents

17Samsung Electronics1. The input voltage should be rating voltage ±10% range.The airconditioner may not operate properly if the voltage is out of this range.2. Is the link cable linking the indoor unit and the outdoor unit linked properly?The indoor unit and the outdoor unit shall be linked by 5 cables.Check the terminals if the indoor unit and outdoor unit are properly linked by the same number of cables.Otherwise the airconditioner may not operate properly.3. When a problem occurs due to the contents illustrated in the table below it is a symptom not related to the malfunction of theairconditioner.The OPERATION indication LED(GREEN) blinks when apower plug of the indoor unit is plugged in for the first time.In a COOL operation mode, the compressor does notoperate at a room temperature higher than the settingtemperature that the INDOOR FAN should operate.[In case of heat pump model]In a HEAT operation mode, the compressor does notoperate at a room temperature lower than the settingtemperature that indoor fan should operate.Fan speed setting is not allowed in DRY( ) mode.Compressor stops operation intermittently in DRY( )mode.Timer LED(GREEN) of the indoor unit lights up and theair conditioner does not operate.The compressor stops intermittently in a COOL mode orDRY mode, and fan speed of the indoor unit decreases.[In case of heat pump model]Compressor of the outdoor unit is operating although it isturned off in a HEAT mode.[In case of heat pump model]The compressor and indoor fan stop intermittently inHEAT mode.[In case of heat pump model]Indoor fan and outdoor fan stop operation intermittentlyin a HEAT mode.123456789Operation of air conditioner ExplanationIt indicates power is on. The LED stops blinking if the opera-tion ON/OFF button on the remote control unit is pushed.In happens after a delay of 3 minutes when the compressoris reoperated. The same phenomenon occurs when a poweris on.As a phenomenon that the compressor is reoperated after adelay of 3 minutes, the indoor fan is adjusted automaticallywith reference to a temperature of the air blew.The speed of the indoor fan is set to LL in DRY mode.Fan speed is selected automatically in AUTO mode.Compressor operation is controlled automatically in DRYmode depending on the room temperature and humidity.Timer is being activated and the unit is in ready mode.The unit operates normally if the timer operation is cancelled.The compressor stops intermittently or the fan speed of theindoor unit decreases to prevent inside/outside air frozendepending on the inside/outside air temperature.When the unit is turned off while de-ice is activated,the compressor continues operation for up to 9 minutes(maximum) until the deice is completed.The compressor and indoor fan stop intermittently if roomtemperature exceeds a setting temperature in order to protectthe compressor from overheated air in a HEAT mode.The compressor operates in a reverse cycle to removeexterior ice in a HEAT mode, and indoor fan and outdoor fando not operate intermittently for within 20% of the total heateroperationNo6. Troubleshooting6-1 Items to be checked first