Hoover Wmh 168D Help Needed
Hi, I have a Hoover WMH 168d Washing machine, The drum stopped turning last week so inspected the motor and found one of the carbon brush needed replacing, it started working again but now it doesn't stop spinning when placed on spin cycle the timer display counts down from 7 minutes and sticks on 1 minute continually also speed increases when it hits the 1 minute mark and motor brushed spark, ive found a work around to this is to manually change speed down by pressing spin speed selector button down from 1600 to zero then machine spin cycle will finally finish, the 1 min remaining display will then change too show the end display.
also there is a 29 min rapid wash cycle with a 800 spin which works fine but timer now says 30 mins instead off 29 so main issue is spin cycle
Ive read lots of forums saying ways to reset programming by unplugging machine at the wall for 2 mins setting cylce and switch on but this hasn't worked for me
Hope someone can tell me a fix soon
Thx
Karl
Solution Summary
AI-generated from this discussion
This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.
Hoover WMH 168D stuck at 1 minute on spin with overspeeding after brush replacement
- The problem
- After one motor carbon brush was replaced on a Hoover WMH 168D, the drum turned again but the machine would not complete the spin cycle. On spin, the display counted down from 7 minutes then stayed at 1 minute, the spin speed increased at that point, and the motor brushes sparked. The user could only end the cycle by manually reducing spin speed to zero. A 29-minute rapid wash with 800 spin reportedly worked, though it displayed 30 minutes.
- Likely cause
- Most strongly supported diagnosis was a motor feedback/control fault rather than a reset issue. Suggested causes were incorrect or poorly seated replacement carbon brush, a worn or damaged motor commutator, a faulty/loose motor tacho coil or magnet, damaged motor wiring/connectors, or possibly the motor control section on the PCB. Exact cause was not confirmed.
- What fixed it
- Recommended action was to isolate the machine from the mains and inspect the replacement brush for correct type and fitment, check both brushes move freely, inspect the commutator condition, and check the tacho coil/magnet and motor wiring/connectors. If these items were satisfactory, the control module was suggested as the next possibility. No confirmed repair outcome was provided in the discussion.
- Checks to try
- Rechecked the new carbon brush for correct type and correct fitting
- Checked both brushes move freely in their holders and have good spring pressure
- Inspected the motor commutator for burning, roughness, grooves or uneven wear
- Checked the motor tacho coil/magnet for looseness, damage, disconnection or cracking
- Checked the motor connector, wiring loom and pins for burning, looseness or broken wires
- Tried unplugging/resetting the machine at the wall for 2 minutes, which did not help
- Parts or tools mentioned
- Motor carbon brush
- Motor tacho coil/magnet
- Motor control PCB/module
Safety: Isolate the washing machine from the mains before inspection. Further diagnosis should be carried out by a suitably qualified appliance engineer.
1 Answer
Hi Karl,
What you describe is more likely a **motor feedback/control issue** than something that needs a simple reset. The machine is probably not “seeing” the motor speed correctly on spin, so it keeps trying to reach or control spin speed and gets stuck at 1 minute.
Before inspecting anything internal, **isolate the washing machine from the mains**.
1. **Recheck the new carbon brush** - Make sure it is the **correct type for this exact motor** and fitted the right way round. - Check both brushes move freely in their holders and have good spring pressure. - New brushes can spark a bit at first, but **heavy sparking on spin** suggests poor seating, the wrong brush, or a worn commutator.
2. **Inspect the motor commutator** - Look at the copper segments where the brushes run. - If it is badly burnt, rough, grooved, or uneven, the motor can misbehave especially at high speed.
3. **Check the motor tacho coil** - On many Hoover motors there is a **tacho coil/magnet** on the back of the motor. - If the tacho is loose, damaged, disconnected, or its magnet has cracked, the control board cannot regulate spin properly. - This is one of the most common causes of endless spin/1-minute sticking.
4. **Check motor wiring and plug connections** - Inspect the motor connector, loom, and pins for burning, looseness, or broken wires, especially around the tacho wires.
5. **Control module possibility** - If brushes, commutator, and tacho all check out, the **motor control section on the PCB** may be faulty.
The fact the lower-speed rapid cycle behaves better does point strongly toward a **high-speed motor feedback problem**. If you are not confident testing the motor/tacho with a meter, it would be best to get a **qualified appliance engineer** in. Any mains electrical, gas, or sealed refrigeration work should always be left to a properly qualified engineer.
WhitegoodsHelp AI
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This answer was generated automatically by the WhitegoodsHelp AI Assistant. It is not provided by an engineer or any other qualified person, may be inaccurate or incomplete, and is not professional or technical advice. Do not rely on it. Always use your own judgement and consult a qualified engineer before carrying out any electrical, gas or water work. Use is entirely at your own risk. See our full Terms of Use.
SAFETY FIRST: READ BEFORE ACTING ON THIS GUIDANCE
Never work on a live appliance
Always unplug it at the mains before going near it with any tools.
Never attempt gas work
By law, gas appliances must only be worked on by a Gas Safe registered engineer. If your fault involves gas, stop and call a professional. Do not attempt it yourself.
Watch for sharp edges
Outer panels are smooth, but internal parts have sharp machined edges. Wear protective gloves and arm sleeves.
Water appliances can leak
Turn off the water supply before disconnecting any hoses.
Know your limits
If you are not confident testing or working inside the appliance, stop and call a professional.
AI guidance, not guaranteed
This response is generated automatically by the WhitegoodsHelp AI Assistant. It is not professional or technical advice, may be incomplete or wrong, and must not be relied upon. Always use your own judgement and consult a qualified engineer before any electrical, gas or water work.
This is general information only and is not professional advice. The WhitegoodsHelp AI Assistant is not an engineer and is not qualified. See our full Terms of Use.
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