Blomberg H8 — Tachometer / motor speed sensor fault

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WASHING MACHINES FAULT CODE · BLOMBERG

H8

TACHOMETER / MOTOR SPEED SENSOR FAULT

What code H8 means on a Blomberg washing machines, what causes it, and which part to check first.

● SEVERITY: MEDIUM
Blomberg Washing machines
In short

Blomberg H8 means: Tachometer / motor speed sensor fault. The documented cause is: Failed tachogenerator. Wiring fault. Worn carbon brushes on collector motor models.

01

What H8 means

Tachometer / motor speed sensor fault

WHAT YOU SEE ON THE APPLIANCE

The display shows H8 and the machine stops until the fault is cleared.

02

What the technical documentation says

Causes documented in the technical source published by whitegoodshelp.co.uk

DOCUMENTED CAUSE OR CHECK
Failed tachogenerator
Wiring fault
Worn carbon brushes on collector motor models
03

Replacement parts

06

Tools you'll need

04

Before you open anything

!

Unplug the machine and close the water tap before removing any panel. Water and mains electricity sit centimetres apart inside a washing machine. If the drum still holds water, drain it from the filter first — it can be scalding.

05

What to check, in order

From the quickest check to the one that needs a technician.

1
Unplug the machine and close the water tap.
2
Clear the pump filter at the bottom — it is the single most common cause and takes two minutes.
3
Check the drain hose is not kinked, crushed or higher than 1 metre.
4
Check the door seal and that the door closes with a click.
5
If the fault returns, the part named above needs testing with a multimeter.
Appliance technician checking wiring and connections with a multimeter
07

Find a specialist

08

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Frequently asked questions

What does H8 mean on a Blomberg?

Tachometer / motor speed sensor fault The documented cause is: Failed tachogenerator. Wiring fault. Worn carbon brushes on collector motor models.

Can I fix H8 myself?

It depends on the part involved: Failed tachogenerator. Wiring fault. Worn carbon brushes on collector motor models. Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.

Does Blomberg use other codes on this appliance?

Yes: we document 8 other codes for Blomberg on this washing machines. They are listed at the bottom of this page, each with its own meaning.

Does the same code mean the same thing on other brands?

Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.

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Other Blomberg codes

Written by TroubleAtlas Technical Team · Last verified: · How we verify — methodology · Sources: whitegoodshelp.co.uk
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