Indoor Display Error And Check Method; Error Detection And Reoperation; Indoor Unit Led Lamp Display At Error Detecting - Samsung NS100HHXEH Service Manual

4-3 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

Abnormal conditions
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. (Communication error for more than 2 minutes)
Communication error between indoor units
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 6th detection of freezing
Detection of the float switch
Error of setting option switches for optional accessories
EEPROM error
EEPROM option error
On Flickering X Off
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Samsung Electronics
Indicators
Concealed Type
Green Red
Standard Type
X X X
X X X
X X
X X
X X
X X X
X X
X X
X X X
X
Remarks
X
X
X
X
1. Indoor unit error
(Display is unrelat-
ed with operation)
X
2. Outdoor unit error
(Display is unrelat-
ed with operation)
X
4-5