Samsung SR-S25NTA Service Manual page 23

2. Self-Diagnosis function during the normal operation
1) If you push buttons for "POWER-FREEZING" and "POWER-REFRIGERATING" simultaneously for about 3
seconds during the normal operation, ALL ON/OFF in the temperature-setting DISPLAY will continue for
about 2 seconds at 0.5-second interval.
If you push buttons for "POWER-FREEZING" and "POWER-REFRIGERATING" simultaneously for about 5
seconds, including 2 seconds for LED ON/OFF, self-diagnosis function is selected.
2) At this time, the refrigerator will return to the self-diagnosis operation with "DING-DONG" alarm.
3) While the self-diagnosis function is in operation, the self-diagnosis will be performed in order from
"COLDER" LED of the freezer with ALL ON of the temperature-setting display for the freezer and refrigerator .
4) On ERROR, display will continue for 30 seconds and then, the refrigerator will return to the normai
operation state regardless of fixation of the relevant component. (With "DING-DONG" alarm)
5) Button push cannot be inputted during the self-diagnosis operation.
6) Among the items of the self-diagnosis, ERROR CHECK of ICE-MAKER SENSOR and ICE-MAKER function
will be done only on the model with the ICE MAKER.
7-8. Load state display function - )
1. 1f you push buttons for "POWER-FREEZING' and "POWER-REFRIGERATING?" for 3 seconds
during the normal operation, all the temperature-setting DISPLAY for the freezer and refrigerator
will be on. At this time, if you withdraw finger from the buttons, the temperature-setting
DISPLAY for the freezer and refrigerator will be ALL ON/OFF for about 2 seconds at 0.5-second
interval. At this time, if you push button for the temperature-setting for the refrigeration
during ON/OFF, load state display function will start (with "DING-DONG?' alan).
2. Load state display MODE shows the load that MICOM signal is outputted. But, it means the
output of MICOM signal. It does not show whether the load is actually operated. It means that,
in spite of DISPLAY showing the operation of load, there is a possibility of none-operation by
fault in the actual load or in RELAY on PCB. So, this function can be practicable on A/S.
3. Display continues for 30 seconds. After 30 seconds, the former-setting state will start
automatically.
4. The relevant DISPLAY showing load state are as follows.
No | item | __-RelevantDISPLAYLED —_| Meaning Rematk
[ eek ts cr ty Load related with the freezer gee.
1 COMP Freezer "WARMER" (ist step) On COMP operation, relevant LED ON
2 F-FAN Freezer "WARMER-MEDIUM" On F-FAN operation, relevant LED ON
(2nd step}
3 F-Defroster HEATER Freezer "MEDIUM" (3rd step) | On F-Defroster HEATER operation, relevant LED ON
oo 4 2 Load related with the refrigeration
t R-FAN Refrigerator "WARMER" (1st step) On R-FAN operation, relevant LED ON
5 R-Defroster HEATER Refrigerator . R-Defroster HEATER operation, relevant LED ON
"WARMER-MEDIUM" (2nd step)
6 START MODE "POWER-FREEZING" If normal freezing does not operate on the first
(First mode) : power on, relevant LED ON