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Guidelines for using genuine parts and proper grounding.
Precautions for servicing, assembly, and post-repair checks.
Procedure to check insulation resistance after servicing.
Explanation of warning/caution symbols and their meanings.
Details specific warnings like insulation checks, socket use, and avoiding inflammable materials.
Details warnings like "Do Not Touch", "Install Carefully", "Do Not Pull", and "Water Leakage".
Guidelines for diagnosing and replacing components, considering static and voltage.
Electrical circuit diagram for universal motor models.
Identifies key components on the PCB for universal motor washing machines.
Details various test modes for diagnostics, including UI, drain pump, and sensor checks.
Continues detailing service modes like pressure switch, water sensor, and inlet valve checks.
Outlines self-check routines for NTC, water level, valves, and motor functions.
Notes the unavailability of the marketing-show mode on this PCB.
Explains causes and solutions for water level and filling malfunctions.
Covers drain, door lock, sensor, and motor drive failure codes.
Details issues related to motor speed signal transmission.
Fault tree for diagnosing and fixing non-heating problems.
Fault tree for troubleshooting door non-locking malfunctions.
Fault tree for diagnosing no water inlet or overtime water filling.
Fault tree for diagnosing over-heating issues, checking NTC and PCB.
Fault tree for troubleshooting non-drain or slow drain issues, checking hose, pump, and PCB.
Fault trees for water inlet overflow and drum non-rotating issues.
Fault tree for troubleshooting drum non-rotation, checking belt, wiring, and drum blockage.
Summary of common issues like no operation, leakage, and vibration with their fixes.
Fault tree for addressing simultaneous water inflow and drain.
Using a multimeter to test circuit status for universal motors.
Using a multimeter to test circuit status for inverter motors.
Lists 14 main parts that need to be undone for service access.
Step-by-step guide with images for removing the back and top covers.
Instructions for removing the control panel and PCB.
Steps for disassembling the door and removing the front plate.
Procedures for removing detergent box, inlet valve, and pressure switch.
Guides for removing the drain pump, pulley, and motor assembly.
Instructions for removing absorber pins and the drum tub assembly.
Steps for safely removing the heater and NTC components.
Exploded view and part list for the NA-126MB1WSA model.
Exploded view and part list for the NA-475MB1WSA model.
Exploded view and part list for the NA-127MB1WAS model.
Exploded view and part list for the NA-127MB1LZA model.
Exploded view and part list for the NA-148MB1WAS model.
Exploded view and part list for the NA-148MB1LZA model.
Exploded view and part list for the NA-148MB1LAS model.
General