Hoover Vhd814 Won't Start
Hi all
I have a problem with the above mentioned washer
On power up (selecting a program) the door security LED remains statically lit - it should ordinarily flash until the start button is pressed - whereupon the interlock activates and the machine starts filling etc...
I thought it could be the interlock - so I replaced that - but no change.
On occasion in the past if you rotated the program dial - the door security LED would flash and it would start the program. Of late though nothing seems to get it to start. When it did start - it ran through the program fine with no errors.
The different programs still display their relevant spin / temperature LEDs when selected by the dial - and when you press the start button - the stop button stops flashing and the relevant time LED lights. So all seems fine on the program select front.
Any ideas?
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 VHD814 would not start due to intermittent motor carbon brush fault
- The problem
- Hoover VHD814 washing machine would power up and programme selection appeared normal, but the door security LED stayed on continuously instead of flashing and the machine would not start. Previously, turning the programme dial sometimes allowed it to start, and when it did start it completed cycles normally.
- Likely cause
- An intermittent open-circuit motor fault caused by a carbon brush sticking in its holder. The accepted advice noted that motor and carbon brush faults can stop the machine from starting even when lights and controls appear normal.
- What fixed it
- The motor was removed and one brush was found partly seized in its holder due to carbon dust. The brush was freed off and the dust blown out with compressed air, which restored operation. The poster also intended to replace the brushes because they were getting short, but replacement was not yet confirmed in the thread.
- Checks to try
- Door interlock was replaced with no change
- Programmes still selected correctly and related spin/temperature LEDs responded
- Pressing start changed panel lights but the machine still would not begin
- Heater was disconnected as a check for earth leakage with no change
- Inlet valves and pumps were disconnected/checked with no change
- Board and connectors were checked and most joints reflowed
- Motor was removed and carbon brushes inspected
- Parts or tools mentioned
- Door interlock
- Motor carbon brushes
- Compressed air
Safety: Further diagnosis should be carried out by a suitably qualified appliance engineer.
5 Answers
On some washing machines other faults can cause the whole machine to stop working such as an open circuit motor including carbon brush faults. If you can't see any carbon brush faults it'd be better to get someone in.
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Hi there
Thanks for the reply.
If it were a motor fault I thought the machine wouldn't operate properly? As it is - when it does decide to kick in (door security LED flashing - press start & interlock activates / machine fills) it works just fine right though the programs.
It seems to be something which is affecting the machine on power-up. I disconnected the heater (suspecting an earth leakage) and that made no difference. Similarly the inlet valves & pumps. Checked the board / connectors and re-flowed the majority of the joints.
I've just not found anyone with a similar problem. Lots of people with constant door security LEDs flashing - but not one that remains lit on power up and remains lit
The motor fault I described can cause all the lights to work but machine won't start. It's possible for the fault (if it was anything to do with the motor) to be intermittent so that sometimes it will work. The problem is intermittent faults are often a nightmare to troubleshoot, even for repairmen.
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I would kiss you if you were a bit prettier !!
Removed the motor and upon removing one of the brushes - the carbon was part seized in its holder thanks to the dust throwback.
I loosen it and blew out the carbon dust with some compressed air - et voila - a working machine!!
I will replace them anyway as they seem a little on the short side - which probably made the seizing more likely as there is less push from the spring.
One more machine saved from scrapping - for now...!
Ha ha - lovely Good work. This article gives general advice on carbon brushes, it's written about Hotpoint / Creda brushes but the principle's the same for all brushes - carbon brushes diagnostics
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