Troubleshooting; Indoor Display Error And Check Method - Samsung NS035LDXEA Service Manual

4. Troubleshooting

4-1 Indoor Display Error and Check Method

Error detection and reoperation
If error occurs during the operation, badness is indicated by LED flickering and all operation is stopped except LED.
When reoperating by remote control and switch determine the error mode after normal operation.
Indoor unit LED lamp display at error detecting
Error type
Power reset
Error of temperature sensor
in the indoor unit(Open/Short)
Error of heat exchanger sensor
in the indoor unit
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
1. No communication for 2 minutes between indoor units
(Communication error for more than 2 minutes)
2. Indoor unit receiving the communication error from
outdoor unit
3. Outdoor unit tracking 3 minutes error
4. When sending the communication error from the outdoor
unit, the mismatching of the communication numbers and
installed numbers after completion of tracking
4. (Communication error for more than 2 minutes)
1. Error of electronic expansion valve close
2. Error of electronic expansion valve open
3. 2'nd detection of high temperature cond
4. 2'nd detection of high temperature discharge
5. Error of reverse phase
6. Compressor down due to 6'th detection of freezing
Detection of the float switch
Error of setting option switches for optional accessories
EEPROM option error
On, Flickering, OFF
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Samsung Electronics
LED lamp display
Operation Defrost Timer Air flow Filter
Remarks
4-1