10. Parts Exploded View and Replacement Parts List 10.1 Part Exploded View : Body 10.2 Part Exploded View : Door 10.3 Part Exploded View : Packing 10.4 Replacement Parts List : NR-B37MV2, NR-B41MV2 11. Detail Change Notice - 2 -...
NR-B37MV2 / NR-B41MV2 1. SAFETY CAUTIONS FOR REPAIRING When you repair the refrigerator, please kindly take care for the following cautions. 1.1 Warning Before repairing unit, unplug supply cord • Before you repair the refrigerator, please unplug the supply cord.
NR-B37MV2 / NR-B41MV2 4. SELF PROTECTING FUNCTION 4.1 Protection for IC Does IC receive IPM protect signal? • Normal operating. IC orders to stop compressor for 10 min. After 10 min., does PCB check if IPM protect • IC continues to stop compressor until 1 hour.
NR-B37MV2 / NR-B41MV2 4.2 Protection for compressor locked • After starting 2 sec., does IC detect rpm < 5r/sec.? • Normal operating. • After starting from 2-10 sec., does PCB detect rpm over 120r/sec.? IC orders to stop compressor for 10 min.
NR-B37MV2 / NR-B41MV2 4.3 Protection for power supply droping Does power supply voltage drop as condition • Normal operating. > 0.1 sec. and < 160V AC? IC orders to stop compressor for 10 min. After 10 min., does PCB check power supply •...
NR-B37MV2 / NR-B41MV2 5. SELF DIAGNOSING FUNCTION 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” Energy Saving during 3 sec.
NR-B37MV2 / NR-B41MV2 6. TEMPERATURE CONTROL How to operate the “QUICK FREEZING” (Quick cool button) If you want the refrigerator to freeze quickly in order to preserve the food, press the “Quick Freezing” button (green light LED turns on). The system will operate immediately and will stop operating automatically (green light LED turns off) when it runs for 150 minutes.
NR-B37MV2 / NR-B41MV2 7. REFRIGERATOR INSTRUCTION GUIDELINE 1. Do not open the refrigerator frequently or leave it open for a long time. This is to prevent water dripping inside the refrigerator which will cause the waste of coolness and consumpting of energy.
NR-B37MV2 / NR-B41MV2 8. TROUBLESHOOTING GUIDE 8.1 Not cool at all [ Both PC & FC (compressor does not operate) ] • Check power supply. Does room light turn on? Ex. Connect power cord in inlet Ex. Check ELCB • Defect of over load relay.
NR-B37MV2 / NR-B41MV2 8.2 Cool, not enough [ Both PC & FC (compressor operates) ] To confirm when compressor is operating. • Defect of FC fan motor. When FC door opens and FC door SW • Poor connection between FC fan pushes, does cold air spout out from motor and IC 1 on PCB.
NR-B37MV2 / NR-B41MV2 9. SCHEMATIC DIAGRAM 9.1 Wiring Connection Diagram NF B OARD 220V / 50Hz 1 BLU E 3 WHIT E GR AY 3 5 BLACK BLACK 1 BLACK GR AY 1 BLACK MOTOR PROTECTOR 3 WHIT E BROW N...
NR-B37MV2 / NR-B41MV2 Important safety notice : Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturer’s specified part. 10.4 Replacement Part List : NR-B37MV2, NR-B41MV2 Parts List Model/Q’ty Model/Q’ty Ref.