Panasonic NR-BW415XS Service Manual

Also see for Inverter NR-BW415V: Operating instructions Operating instructions Operating instructions Operating instructions

Contents

Panasonic NR-BW415XS Service Manual Manual pdf 16 page image

- 16 -NR-BW415 / NR-BW46510. TROUBLESHOOTING GUIDE10.1 Not cool at all [ Both PC & FC (compressor does not operate) ]NOYESNODoes the “ECONAVI LED” turn on and“Quick Freezing” blinking?5Does “ECONAVI LED” and “Quick Freezing”blink?4To start self diagnosing function by openingPC door and FC door and pushing“Quick Freezing” SW for 5 seconds.3Pushing PC door switch and room light turnsoff, and after release PC door switch, doesroom light turn on?2Does room light turn on?1• Defect of control PCB.• Defect PC door switch.• Defect of control PCB.• Communication error between IC1 & IC201• Gas leakage at low pressure side.• Defect of control PCB.• Faulty compressor motor.• Compressor lock.Does the “ECONAVI LED” turn off and“Quick Freezing” blink?6Does the “ECONAVI LED” turn off, “QuickFreezing” turn off and “Freezer Control” LED“MAX” blink?7NONODoes the “ECONAVI LED” turn off, “QuickFreezing” turn off and “Freezer Control” LED“MIN” blink?8• Break FC thermistor.• Poor connection between FC thermistor andPCB.• Gas leakage at high pressure side.• Poor compression.• Defect of control PCB.• Defect of control PCB.• Abnormal connecting of compressor.• Compressor lock.• Chock.• Leakage.• Droping voltage of power supply.• Rising voltage of power supply.NONOYESYESYESYESYES• Check power supply.Ex. Connect power cord in inletEx. Check ELCB• Defect of over load relay.Ex. Does fuse blow?• Check control PCB.Ex. Does fuse blow?Ex. Defect of IC (IC205), Diode (BD201), etc.YESNO