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Foil replacement indicator

Braun Foil replacement indicator on Series 9: renew it

Verified with sources2 sourcesReviewed Oct 18, 2026
Technician coming? See the 2 steps they must show you
Yellow and black Philips OneBlade electric shaver and trimmer on a plain white background
Jacek HalickiCC BY-SA 4.0Image source

Risk level

Low

Usually safe to check without specialist tools.

Urgency

Low

Quick answer

The replacement indicator on your Braun Series 9 is lit and no status segments remain: Braun asks you to fit an original foil and cutter cassette, reset the counter with the power button and then unlock the shaver again.

Safety first

Stop and check this first

  • Fit only original Braun parts: per the manual, the guarantee lapses if non-original parts are used or if an unauthorised person carries out repairs.
  • After the 10 or 8 second reset the shaver may sit locked, which is not a fault: the manual tells you to unlock it before use.

Safe checks you can perform

  • Confirm the warning and count the time since the last change
  • Fit an original foil and cutter cassette
  • Reset the counter and unlock the shaver
  • Soak and lubricate if shaving has become much worse

Leave these tasks to a qualified professional

  • Do not attempt this professional task: Supply of the cassette that fits your shaver type
  • Do not attempt this professional task: Inspection if the indicator stays on after the change

What a technician must be able to justify

Technician visit

These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.

These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.

  1. Supply of the cassette that fits your shaver type

    What they doA Braun service centre can hand over the foil and cutter cassette matching your model, so you do not buy an incompatible one.

    They must show youthe reference of the cassette suited to the type printed on your shaver, such as the 92S or 92M in the manual.

    In writingthe reference handed over and the date of the change.

  2. Inspection if the indicator stays on after the change

    What they doWith an original part fitted and the counter reset, if the icon is still lit, an authorised Braun service centre inspects the shaver.

    They must show youthe new part properly seated, the reset done and the icon still visible.

    In writingthe diagnosis and whether the foil change is treated as normal wear outside the guarantee.

Before accepting a part or repair

Nothing has been shown yet. Do not accept a part swap based on the code alone.

Follow these steps

Note: Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.

  1. Confirm the warning and count the time since the last change

    No special tools

    Who:
    you, with the shaver switched off and dry.
    How:
    press the power button and look at the display: replacement is requested when the indicator is lit and no status segment is visible. Note how long ago you changed the cassette, since Braun advises renewing it every 18 months.
    Result that matters:
    knowing whether the warning reflects real wear or a counter that was never reset.
    If you have used the same part for a long time:
    go ahead and replace it with an original.
    If you changed it recently:
    jump to the counter reset in the third test.
    Evidence to keep:
    a photo of the display showing the indicator and the approximate date of the last change.

    Evidence: Braun Series 9 type 5793 instruction manual (90897614, edition IX-19) · Braun Series 9 type 5793 instruction manual (91112176, edition I-20)

  2. Fit an original foil and cutter cassette

    No special tools

    Who:
    you, with the shaver switched off.
    How:
    press the release buttons (2) to take off the used cassette and snap on a new Braun one. The manual names the 92S and 92M, sold by your usual dealer or at Braun service centres.
    Result that matters:
    the new part seated and no play in the shaver head.
    If the part clicks in properly:
    carry on with the counter reset.
    If it does not fit or you are unsure which one is yours:
    check the type printed on your shaver before buying.
    Evidence to keep:
    the reference of the fitted part and a photo of its box.

    Evidence: Braun Series 9 type 5793 instruction manual (90897614, edition IX-19)

  3. Reset the counter and unlock the shaver

    No special tools

    Who:
    you.
    How:
    with the new part in place, hold the on / off button for 10 seconds per the edition IX-19 manual (8 seconds in the edition I-20 one). Then unlock the shaver with another long press of 5 or 3 seconds, depending on the edition.
    Result that matters:
    the replacement indicator off and the shaver unlocked and ready.
    If the indicator goes out and the motor starts:
    the reset worked.
    If the indicator stays:
    on some models it resets by itself after 7 shaves, per the manual; use the shaver for those shaves before repeating.
    Evidence to keep:
    a photo of the display before and after the reset and the seconds you used.

    Evidence: Braun Series 9 type 5793 instruction manual (90897614, edition IX-19) · Braun Series 9 type 5793 instruction manual (91112176, edition I-20)

  4. Soak and lubricate if shaving has become much worse

    No special tools

    Who:
    you, with the cassette already removed.
    How:
    dip the foil and cutter cassette in hot water with a drop of dish liquid, rinse it well and tap it out gently. Once it is dry, put one drop of light machine oil on the foil.
    Result that matters:
    a smoother shave without changing anything else.
    If it improves:
    the system was clogged, not just worn.
    If it does not improve:
    renew the part as the manual says.
    Evidence to keep:
    a note of the result and of when you last lubricated.

    Evidence: Braun Series 9 type 5793 instruction manual (90897614, edition IX-19)

Still not solved

If the error persists, stop here. See what the technician must do and show you.

Where this code applies

A code is meaningful only inside the right product and version context.

Primary scope

System
Appliances
Brand
Braun
Product type
Personal care devices

Known code variants

  • Braun foil and cutter replacement light
  • Braun foil indicator reset
  • Braun luz recambio lámina encendida
  • Braun reiniciar contador lámina
  • Braun Series 9 cambiar lámina
  • Braun Series 9 replace foil light
  • Foil replacement indicator
  • Indicador de recambio de la lámina
  • Indicador de recambio del bloque de cuchillas y lámina
  • Replacement indicator for Foil & Cutter cassette

What it means

The manual of the Braun Series 9 shaver (type 5793) explains that the replacement indicator shows the use of the foil and cutter cassette: the status segments disappear gradually with the shaves, and when the warning lights up with no segments visible the cassette is due. Braun recommends changing it every 18 months. Other models and editions may differ, and the warning alone does not prove that the motor, the battery or the shaver is faulty, only that the part is worn.

Warnings and stop conditions

  • Mediumsource verified

    Fit only original Braun parts: per the manual, the guarantee lapses if non-original parts are used or if an unauthorised person carries out repairs.

    Evidence: Braun Series 9 type 5793 instruction manual (90897614, edition IX-19)

  • Lowsource verified

    After the 10 or 8 second reset the shaver may sit locked, which is not a fault: the manual tells you to unlock it before use.

    Evidence: Braun Series 9 type 5793 instruction manual (90897614, edition IX-19) · Braun Series 9 type 5793 instruction manual (91112176, edition I-20)

Symptoms and causes

Probable causes · in order

  • Foil and cutter cassette worn by useCommon

    Braun states that the status segments go out one by one with the number of shaves; once none are left, the replacement warning lights up.

    Evidence: Braun Series 9 type 5793 instruction manual (90897614, edition IX-19) · Braun Series 9 type 5793 instruction manual (91112176, edition I-20)

  • Counter not reset after fitting the partPossible

    The manual treats resetting the counter as a separate step after the change, so skipping it can leave the warning on with the new part in place.

    Evidence: Braun Series 9 type 5793 instruction manual (90897614, edition IX-19) · Braun Series 9 type 5793 instruction manual (91112176, edition I-20)

  • Shaving system clogged or heavily wornPossible

    The manual's trouble-shooting table blames a clear drop in shaving performance on a worn foil and cutter or a clogged system, which is soaked in hot water.

    Evidence: Braun Series 9 type 5793 instruction manual (90897614, edition IX-19)

  • Head rinsed with water but never lubricatedLess common

    According to the manual, if you rinse under water regularly you should put one drop of light machine oil on the foil once a week to lubricate it.

    Evidence: Braun Series 9 type 5793 instruction manual (90897614, edition IX-19)

Virtual technician

Does Foil replacement indicator still appear after these checks?

Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.

Sources and technical references

Sources: Braun Series 9 type 5793 instruction manual (90897614, edition IX-19) · Braun Series 9 type 5793 instruction manual (91112176, edition I-20)reviewed 2026-10-18 · verified

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