NR-BW414 / NR-BW464
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How to use “Self diagnosing function”
1. Opening PC door and FC door, push
“Quick Freezing” bottom more than 5 sec.
2. Blinking LED of “Energy Saving” and “Quick
Freezing” during 3 sec.
3. After blinking at 3 sec., each LED show as below.
4. “Self diagnosing function” will automatically
cancel after 7 min., from start operation.
Energy Saving
Symptom
Details of symptom
Energy
Saving LED
Quick
Freezing LED
Freezer
Control LED
Normal
None
None
None
Abnormal of FCC thermistor
Break/short of FCC thermistor
None
Blinking
None
Abnormal of DFC thermistor
Break/short of DFC thermistor
None
Turn on
None
Abnormal of ATC thermistor
Break/short of ATC thermistor
Blinking
Turn
on
None
Abnormal of FC fan motor
Break/lock of FC fan motor
Abnormal revolution of FC fan motor
Turn on
Turn on
None
Abnormal of Defrost heater in FC
Break/short of Defrost heater
Turn on
None
None
Abnormal of INV compressor
Operate protector of IPM lock
Operate protector of voltage dropping
Operate protector of over voltage
Turn on
Blinking
None
Abnormal of PCB
Error of communication
Error of EEPROM
Blinking
Blinking
None
Refrigerating unit trouble
Gas leakage at high pressure side
poor compression
None
None
MAX blinking
Refrigerating unit trouble
Gas leakage at low pressure side
None
None
MIN blinking
Quick Freezing
Freezer Control
When abnormalist is cased in the refrigerator, the sign is display on LED
as below chart.
5. SELF DIAGNOSING FUNCTION