Samsung RF20HFENB, Service Manual

Page: 32 / 67

32
TROUBLESHOOTING
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If Power Freeze Key + Power Cool Key are pressed simultaneously for 8 seconds,
the error mode self-diagnosis will be canceled.
2) Self-diagnostic function during normal operation
2-1) If Power Freeze Key + Power Cool Key are pressed simultaneously for 6 seconds during normal
operation, the temperature setting display will operate for 2 seconds (ALL ON/OFF 0.5 sec each).
If Power Freeze Key + Power Cool Key are pressed simultaneously for 8 seconds (including above
2 seconds), the self-diagnostic function will be selected.
2-2) At this moment, self-diagnostic function will start with a 'ding-dong’ sound. If there is an error, the
error display will operate for 30 seconds and then return to normal condition whether problem is
corrected or not.
(Buzzer sounds 'ding-dong') (Refer to self-diagnosis CHECK LIST).
2-3) Input by button is not acceptable during self-diagnostic function.