Exhibition Mode; Self-Test Function; Self-Test Function During Normal Activation - Samsung SR-L677EV Service Manual

Exhibition mode

1. When you press quick freeze button and freezer temp. button together the operation changes
into exhibition mode.
2. In exhibition mode, compressor is immediately off and defrost do not activate.
3. If you press quick freeze button and freezer temp. button together for 5 sec exhibition mode
cancel out and bact to nomal operation.

8. Self-test function

1) Define of the fault temperature sensor : temperature of the sensor is over between -50
(4.5volt) ~ +50
˚C
1-1) Self-test fuction due to power ON.
a) When a power is ON, it internal MICOM will decide faulty in temperature within 1 sec.
b) If faulty sensor is found, the "related display LED" switches on and off for 0.5 sec
intervals. And it will not beep (refer to self-test faulty indication table).
c) At the LED situation is the faulty sensor display, self-test function key ( press quick
freezer and quick cool button for 5 sec) is the control of normal temperature is delayed.
d) Fixing default sensor when there is an error, or press quick freeze and quick cool button
for 5 sec., it automatically cancel and activate normally.

2) Self-test function during normal activation

a) During normal activation, if you press quick freeze and quick cool key together for 3 sec.
temperature selection display of all ON/ OFF show for 2 sec by 0.5 intervals. Including
this 2 sec, press quick freeze and quick cool button together for 5 sec then it select self-
test function.
b) If there is ding-dong sound it change into self-test function. If you press refrigerator temp.
selection button during 2 sec display toggle, it proceeds as the display function of the
presently operating parts.
c) If there is an error of the sensor, display of the faulty sensor continue for 30 sec then
activate normally (ding-dong alarm activates).
d) Button selecting is not selected during self-test proceeding.
(0.5volt)
15
˚C