Buzzer; Initializing Self-Diagnosis; Self-Diagnosis During Normal Operation; Key Press - Samsung RL33EBMS Service Manual

Self-diagnosis Trouble Sheet
NO ITEM
1
Refrigerating sensor
2
Main evaporator sensor
Freeze sensor
3
4
External sensor
Magnetic switch
5
B.Initializing Self-diagnosis
1) The core chip will self-inspect the temperature sensor within 1 minute after power on.
2) Malfunctional sensors found by the self-diagnosis will be reflected on the display at 0.5S interval.
3) If bad sensors are detected, no press will be admitted. All electric loads will be set to the position
of OFF and the regular temperature control will be retained.
4) If the broken down sensors are repaired, the appliance will be reset to the original state.
C.Self-diagnosis During Normal Operation
1) If pressing the Fast Refrigeration key and the Function Selection key for 5 minutes simutaneously
during normal run, the appliance will select the self-diagnosis function with EC shown on the
display.
2) During the Self-diagnosis, key press does not work.

5-8 Buzzer

A.Key Press
1) If you press the key under normal work condition , each press will trigger a sound of Ding Dong
2) If you keep pressing the key, only Ding is heard.
3) Fault operation will bring about no sound.
B.Door Opening Alarm
1) Opening of the regrigerating door for 2 minutes will incur Didi alarm.
C.Forced Function
1) Simutaneous press of the Refrigerating Temperature key and the Freeze Temperature button for 5 minutes
will trigger Dudu sound at 0.5S interval.
D.Forced Defrost
1) Only simutaneous press of the Refrigerating Temperature key and the Freeze Temperature button for 5
minutes under forced defrost state will trigger Dudu sound at 0.5S interval.
DISPLAY
TROUBLE
Open circuit
short circuit
Open circuit
short circuit
Open circuit
short circuit
Open circuit
short circuit
Air door relay failure, or motor,
air door magnetic spring switch
or magnet trouble
16
COMMENTS
Test temp. lower than -50
Test temp. higher than +85
Test temp. lower than -50
Test temp. higher than +85
Test temp. lower than -50
Test temp. higher than +85
Test temp. lower than -50
Test temp. higher than +85
Magnetic spring switch ON/OFF
is unable to be detected after 1
minute's run