Philips Norelco Multigroom 3100 Battery Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          15 - 25 minutes

Sections

Power Button
4 steps
Casing
2 steps
Battery
6 steps

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Introduction

What you need

Step 1

              Power Button

Remove the comb from the top of the trimmer.

Remove the comb from the top of the trimmer.

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Step 2

Grip the attachment and twist it counterclockwise until you hear a click.
Pull the attachment up to remove it from the trimmer.

Grip the attachment and twist it counterclockwise until you hear a click.

Pull the attachment up to remove it from the trimmer.

Step 3

Hold the trimmer upright so it is facing you.
Insert the plastic opening tool in the gap at the top of the power button.

Hold the trimmer upright so it is facing you.

Insert the plastic opening tool in the gap at the top of the power button.

Step 4

Apply pressure to pry off the power button.

Apply pressure to pry off the power button.

Step 5

              Casing

Insert the spudger into the bottom of the gray bezel and begin to gently pry it off.
Separate the bezel one clip at a time so that the clips do not break.

Insert the spudger into the bottom of the gray bezel and begin to gently pry it off.

Separate the bezel one clip at a time so that the clips do not break.

Step 6

Insert the spudger in the indicated hole and apply a tilting force to loosen the outer casing.
Pull upward on the top of the inner housing to remove it from the outer casing.

Insert the spudger in the indicated hole and apply a tilting force to loosen the outer casing.

Pull upward on the top of the inner housing to remove it from the outer casing.

Step 7

              Battery

Grab the upper casing firmly and pull to seperate from lower casing.
This will require some force and may separate suddenly.

Grab the upper casing firmly and pull to seperate from lower casing.

This will require some force and may separate suddenly.

Step 8

Once upper casing is removed, use plastic spudger and insert into the side tabs to free battery casing.
Once tabs are freed, pull battery casing from upper casing.
Upper casing will not separate from tab separation alone, removal will still require manipulation by hand.

Once upper casing is removed, use plastic spudger and insert into the side tabs to free battery casing.

Once tabs are freed, pull battery casing from upper casing.

Upper casing will not separate from tab separation alone, removal will still require manipulation by hand.

Step 9

Insert plastic spudger into battery brackets individually. “Wiggle” the bracket out of place
Be careful to not bend bracket severely –brackets will need to fit back into place later.

Insert plastic spudger into battery brackets individually. “Wiggle” the bracket out of place

Be careful to not bend bracket severely –brackets will need to fit back into place later.

Step 10

Use a soldering gun and apply heat to the battery contact tabs until solder is malleable.
Once solder is malleable, carefully insert a plastic spudger beneath the tab and over the battery to pry battery away from the contact tab.
Use proper safety equipment when operating a soldering gun, as burns can occur. Gloves and eye protection recommended.

Use a soldering gun and apply heat to the battery contact tabs until solder is malleable.

Once solder is malleable, carefully insert a plastic spudger beneath the tab and over the battery to pry battery away from the contact tab.

Use proper safety equipment when operating a soldering gun, as burns can occur. Gloves and eye protection recommended.

Step 11

Once contact tabs have been removed from the battery, the battery can now be removed by hand or by use of a plastic spudger.
Locate new battery and prepare for soldering in next step.

Once contact tabs have been removed from the battery, the battery can now be removed by hand or by use of a plastic spudger.

Locate new battery and prepare for soldering in next step.

Step 12

Make sure battery is safely secured and re-solder the battery contact tab onto new battery.
Check that contact tab is re-soldered onto the original solder.
Once solder is dried and cool, toggle the power switch (not the power button) to check that the device is functional.
Make sure solder adequately covers the contact tab so the solder will not break in the future
Solder with caution. Use gloves and eye protection. Solder contains lead, work in a properly ventilated area.

Make sure battery is safely secured and re-solder the battery contact tab onto new battery.

Check that contact tab is re-soldered onto the original solder.

Once solder is dried and cool, toggle the power switch (not the power button) to check that the device is functional.

Make sure solder adequately covers the contact tab so the solder will not break in the future

Solder with caution. Use gloves and eye protection. Solder contains lead, work in a properly ventilated area.

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Author

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                    Mahmoud

Member since: 09/05/2017

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Team

                       IUPUI, Team S1-G5, Freund Fall 2017                        

                                                  Member of IUPUI, Team S1-G5, Freund Fall 2017 



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                                            1 Guide authored

Linda Freund - Sep 17, 2017

Capitalize Battery in the Title

Go ahead and upload the picture of the device.

Also include prerequisite guides

Brian Panhuyzen - Apr 22, 2019

For the Multigroom QG3380 (which I bought at Costco in Canada), there are some differences. Don’t remove the power button – not needed. Pry off the silver frame – very hard not to break some clips. It uses two 750 mAh AAA NiMH batteries (Suppo HSY-AAA0). I’ve ordered 900 mAh batteries with clips to replace these.

Ferdinando Anceschi - May 8, 2020

Where did you order the replacement batteries ?

alexander_binder - Jun 2, 2020

I had mine from Japan, QG3380 too many clips broke off and indeed don’t remove the power button on that one.

Introduction#

What you need#

Team#

Introduction

What you need

Team