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Panasonic NR-BX418XS - User Manual

Panasonic NR-BX418XS
37 pages
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© Panasonic Appliances (Thailand) Co., Ltd. 2016.
All rights reserved. Unauthorized copying and
distribution is a violation of law.
IMPORTANT SAFETY NOTICE
There are special components used in this equipment which are important for safety. These parts are marked by
in the Schematic Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that
these critical parts should be replaced with manufacturer’s speci ed parts to prevent shock, re or other hazards. Do
not modify the original design without permission of manufacturer.
WARNING
Refrigerator
The service information is designed for experienced repair technicians only and is not designed for use by the general
public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting
to service a product. Products powered by electricity should be serviced or repaired only by experienced professional
technicians. Any attempt to service or repair the product or products dealt within this service information by anyone
else could result in serious injury or death.
CFCs have been used in refrigerant as refrigerator and the insulation materials for many years. But it
is now known that these compounds which once seemed so ideal for use as cleaning agents and in
refrigeration systems, destroy the earth’s ozone layer as a result, an international body decided on a
total worldwide ban of harmful CFCs by the end of 1995.
Destination
Thailand, Vietnam
Malaysia, Philippines
Hong Kong, Singapore, RBD
Indonesia, India, Australia/
New Zealand
Product Colour
White(VW)/(GW)
Shinning Silver(VS)
Stainless Colour(XS)
Black(GK)
NR-BX418XS, NR-BX418VS, NR-BX418GW
NR-BX468XS, NR-BX468VS, NR-BX468GW
NR-BX41BXS, NR-BX46BXS, NR-BX41BVW
NR-BX46BVW, NR-BX418GK, NR-BX468GK
Service Manual
Order No. PAPTH151201CE
Revision : Jun.2016
NR-BX418VNR-BX468X
NR-BX41B
NR-BX46B
NR-BX468G
NR-BX468V
NR-BX41B
NR-BX46B
NR-BX418GK
NR-BX468GK

Table of Contents

Questions and Answers

  • C
    Corey WebsterAug 13, 2025
    Why is my Panasonic NR-BX418XS Refrigerator not cooling but the compressor is not operating?
    • D
      Daryl CooperAug 13, 2025
      If your Panasonic Refrigerator isn't cooling, a potential cause might be a defective control PCB. Check if a fuse is blown or if there are defects in components like the IC or diode. Also, check PC door switch. If the “ECONAVI Led” turn off and “Quick Freezing” blinking, the cause may be Defect of FC fan motor, Poor connection between FC fan motor and IC 1 on PCB, Defect of FC door SW., Defect of damper. If the “ECONAVI Led” turn off and “Quick Freezing” turn on, the cause may be Break of FCC thermistor, Poor connection between FCC thermistor and IC 1 on PCB, Abnormal of spec of DFC thermistor, Resistor of thermistor is bigger as like as 5.9 - 6.5 K at 0°C.
  • J
    Jennifer JamesAug 22, 2025
    What to do if my Panasonic NR-BX418XS is not cooling due to a FC thermistor issue?
    • J
      Jonathan LewisAug 22, 2025
      If your Panasonic Refrigerator isn't cooling, and the compressor isn't operating, it could be due to a break in the FC thermistor. In this case, the “ECONAVI Led” turn on and “Quick Freezing” will be blinking. Check the FC thermistor for continuity and proper function.
  • J
    Joseph OdonnellNov 1, 2025
    What to do if my Panasonic Refrigerator is not cooling at all?
    • S
      Sean ThomasNov 1, 2025
      If your Panasonic Refrigerator isn't cooling in either the PC or FC (compressor not operating), start by checking the power supply. Ensure the power cord is properly connected and inspect the ELCB. Also, the issue might be a defect of the overload relay, which could cause a fuse to blow. If the “ECONAVI Led” and “Quick Freezing” blink, the cause may be Compressor lock, Leakage, Droping voltage of power supply, Rising voltage of power supply, Short of DFC thermistor, Poor connection between DFC thermistor and IC 1 on PCB, Break of DFC thermistor, Defect of PCB as like as defect of relay, etc., Termal fuse blows, Abnormal of spec of DFC thermistor, When resistor of thermistor is bigger as like as 6.1 - 6.7K at 0°C, there is some case to blow thermal fuse out due to becoming defrost time long...

Summary

Safety Cautions for Repairing

Warning

Crucial safety warnings for technicians before and during repair work.

Cautions

Important precautions regarding hot parts, refrigerant, and sharp edges during service.

Specification and Components

Self Protecting Function

Protection for IC

Detailed explanation of the Integrated Circuit (IC) protection mechanisms in the refrigerator.

Protection for Compressor Locked

How the refrigerator protects the compressor from locking conditions.

Protection for Power Supply Dropping

Mechanisms to protect the unit from voltage drops or unstable power supply.

Self Diagnosing Function

How to use Self-Diagnosing Function

Step-by-step guide on activating and using the refrigerator's self-diagnosis feature.

Failure Mode Diagnostics

Table detailing failure modes, diagnostic codes, and LED indicators for self-diagnosis.

Temperature Control

Temperature Control for XS;GW;GK Models

How to adjust temperature settings for specific refrigerator models in different zones.

Troubleshooting Guide

10.1 Not Cool at All

Troubleshooting steps for when the refrigerator is not cooling at all (compressor not operating).

10.2 Cool, Not Enough

Steps to diagnose and resolve issues where cooling is insufficient (compressor operating).

10.3 ECONAVI Operation Doesnt Work

Troubleshooting guide for when the ECONAVI energy-saving feature is not functioning.

Disassembly Instruction

Replacement Parts List

Panasonic NR-BX418XS Specifications

General IconGeneral
TypeBottom Freezer
Total Capacity407 L
Weight80 kg
ColorStainless Steel
Energy Efficiency ClassA++
Climate ClassSN-T
Number of shelves in refrigerator4
Number of freezer compartments3
Shelves MaterialGlass
Cooling TechnologyInverter
Capacity335 liters
Star Rating4
Warranty1 year

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