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I have a call from a customer who complained the machine took too long to dry and wasn’t getting hot.
I found both the overheat stat’s on the dryer housing required resetting. when testing to find out why the stats had tripped I found the condenser inlet valve only released a small amount of water for just a second or two sometimes when the pump kick in but not for the full time.
The valve is OK.
I also found the motor had an earth fault of around 4.5 meg ohms so I disconnected this for some of the testing to eliminate it from the equation.Has anyone come across this before?
Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
Almost every one of these that I have had with this fault have had a blocked condensor, it’s a bit of a toil to get it off but removing it completely and flushing out is the best way TBH.
Sent from my iPad using Tapatalk HDRe: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
When I removed the heater box it it looked like the condenser was part of the tub, I don’t think it was fitted on the back like the earlier machines. The chambers were clear and there water no filters either.
Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
Indeed there is no separate condenser on this range. (Moulded tub).
The only problems I’ve had on these are ntc faults & blocked fan blades on the blower motor. I’ve never looked that closely at the water side of things but sounds ok to me…Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
Ditto Tim’s comments. Also the resettable Safety TOC has been uprated from 160c to 180c to overcome the instances of nuisance tripping. (Part no 41034167) the later TOC’s have GREEN numbering on the side for easy ID. 😀
Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
timdowning wrote:I’ve never looked that closely at the water side of things but sounds ok to me…
So does the inlet valve for the condenser only operate for about 2 seconds every 2 or 3 minutes, that doesn’t sound right to me, I’ve always thought they run for most of the time?
Martin wrote:Ditto Tim’s comments. Also the resettable Safety TOC has been uprated from 160c to 180c to overcome the instances of nuisance tripping. (Part no 41034167) the later TOC’s have GREEN numbering on the side for easy ID. 😀
I assume both the resettable TOC’s uprated? both had tripped.
Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
Twoten wrote:So does the inlet valve for the condenser only operate for about 2 seconds every 2 or 3 minutes, that doesn’t sound right to me, I’ve always thought they run for most of the time?
The condenser valve opens for 5 seconds then is off for 3 minutes (and so on) throughout the entire dry cycle.
Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
I thought it was only operating for about a second when I tested, I will double check. I’m surprised it’s only 5 seconds every 3 minutes doesn’t sound like it would cool enough to work.
Thanks for the information :).Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
Twoten wrote:I’m surprised it’s only 5 seconds every 3 minutes doesn’t sound like it would cool enough to work.
This is the official line in Hoover speak: –
GIAS wrote: Solenoid Valve is shut off for a time not exceeding 3 minutes, and the length of the pause is inversely proportional to the Drying Air Temperature detected by the NTC sensor.
Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
Martin wrote:
GIAS wrote:
Solenoid Valve is shut off for a time not exceeding 3 minutes, and the length of the pause is inversely proportional to the Drying Air Temperature detected by the NTC sensor.That makes sense 😕
So I assume the hotter the NTC senses the more the valve will release to bring the condensing temperature down!
If that’s the case, testing without damp washing would mean the NTC would be hotter therefore release more water….I think!
Or would the short release of water bring down the temperature quickly shutting off the valve hence only giving a short burst? :haier:Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
Twoten wrote:Or would the short release of water bring down the temperature quickly shutting off the valve hence only giving a short burst? :haier:
“Short Burst” you say?……….ah…….now……..the world according to GIAS has something about that you might want to know…….. 😉
GIAS wrote:At the beginning of each Phase of Drying and after each Thermo-Spin, is activated for 2 seconds the Solenoid Valve EV1, in order to fill the siphon of the Detergent Load Hose and prevent the escape of steam during the Drying Phase.
Lightbulb moment…….?
Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
Martin wrote:
GIAS wrote:
At the beginning of each Phase of Drying and after each Thermo-Spin, is activated for 2 seconds the Solenoid Valve EV1, in order to fill the siphon of the Detergent Load Hose and prevent the escape of steam during the Drying Phase.Lightbulb moment…….?
I don’t know about a lightbulb moment! My head’s starting to hurt.
What’s the ‘Thermo-Spin’? The valve (I don’t know if it’s EV1 but it supplies the hose that goes round the back of the tub and into the condenser)seems to operate for the 2 seconds but “Siphon of the Detergent Load Hose” suggests it’s in the detergent dispenser!
Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
EV1 valve is the pre-wash valve. The 2 second burst allows water to fill the dispenser to tub hose (U bend) to prevent steam from the tub exiting via the dispenser.
Re: Hoover VH W6540-80 Washer/Dryer TD overheat stats tripp
That’s what I thought, the valve that switches on for 2 second bursts during drying is running water into the condenser not the dispenser.
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