Question about Hoover Dryers

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VHC691B-80 rotates but doesn't heat up

All of the warning lights were flashing, changed the heater that comes with thermostats fitted, it worked for a week and then I got the same problem, I've tried another new heater but it didn't work this time - any ideas what the problem is likely to be now?

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  • colin_rob310 Mar 31, 2015

    The vent and lint basket are clear, they were cleaned out when I fitted the first replacement heater. The heating element shows resistance and is therefore OK, voltage to the drier is OK. Where is the thermall cutoff installed? The thermostats show no resistance & are therefore OK. I can’t see the moisture sensor on the door is there anywhere else to look?

  • Jorge Rendon
    Jorge Rendon Apr 07, 2015

    as for the moister sensor for ur model Im not sure, do u have ur schematic? the thermal shut off is usually located on the blower next to the 4 pronged cycling thermostat. back to the moister sensor try looking along the back wall for silvery shiny metalic objects

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  • Hoover Master
  • 5,323 Answers

Check venting and lint basket. Check blower for lint build up and blower wheel obstruction., test by trying to turn the wheel manually by hand (should be easy) May have to remove cabinet or front/back plate to get to it)

Next check the heating element itself with a meter for continuity OHMS CLOSED CIRCUIT. If not its defective.

Check dryer Terminal block prongs both outside prongs should give combined 220, and 110 each if u check 1 outside & 1 center (ground) prong. Also check house electrical outlet for full voltage. 220 because if u only get half or 110 volts you will be able to run the machine which uses only 110 to run motor but not the heater which uses a full 220,

Check the thermal cut off, the cycling and the hi limit thermostats.
For continuity or OHMS. If no ohms or resistance they need replacement.

Lastly check your moister sensor. ( located inside the dryer door usually) Especially if machine seems to shut down early and clothes are still wet.
Test with a meter at room temperature and it should show continuity.

Posted on Mar 30, 2015

  • 7 more comments 
  • Jorge Rendon
    Jorge Rendon Mar 31, 2015

    are u saying the thermostats show infinity? and no ohms? or do u get a OHMS reading? in other words a closed circuit, when u say voltage to the dryer is ok , u mean a full 220 is shown? the thermal shut off is located on the blower nest to the cycling thermostat. But when it blows u get nothing. did u test ur moister sensor yet? or in some cases a thermistor?

  • colin_rob310 Apr 01, 2015

    The thermostats show continuity ie very low resistance reading (I only have a cheap multi meter, it shows about 0.7 on the lowest Ohms setting) so a closed circuit. Voltage at the dryer is the full 240 at the terminal points on the relay. On my heater assembly all I can see is the two thermostats they both show a similar closed circuit reading. I've now located what I believe must be the moisture sensor (looks a bit like a silver top hat shape, on my model it is in the recess for the lint filter -is this right?) looks like I have to take the door off and then the front panel of the drier to access so won't check this until tonight.

  • Jorge Rendon
    Jorge Rendon Apr 02, 2015

    yes the moister sensor is there. as for the thermostat readings the low resistance or ohms poses no problem long as they are closed circuits. u did check the cycling thermostat also on the blower it has 4 prongs? the cheap mete ru have is fine

  • colin_rob310 Apr 02, 2015

    Hi, thanks again for replying. I haven't checked the cycling thermostat, the heater only has two thermostats on it which each only have two connections, where else might this other thermostat be?

  • Jorge Rendon
    Jorge Rendon Apr 02, 2015

    the other 2 thermostats are located on the blower unit. 1 is the thermal shut off and the other with 4 prongs is the cycling thermostat

  • Jorge Rendon
    Jorge Rendon Apr 02, 2015

    on ur heater is there a place for another fuse thermostat like a tiny hole spot with 2 slots for screws

  • Jorge Rendon
    Jorge Rendon Apr 02, 2015

    ther eis usually 2 at the top and 1 near the bottom heater connection

  • colin_rob310 Apr 07, 2015

    Hi, I thought I'd already posted a reply to this but I can't see it. I took the item out of the door/lint filter recess it shows a resistance of 21k ohms which I believe is correct, I'm still struggling with location of the other two thermostats that you refer to, they are definately not in the blower air channel and they are not on the heater. Any more help would be appreciated.

  • colin_rob310 Apr 07, 2015

    Should have mentioned in the Hoover spare parts listing the item in the filter recess that I'm referring to is listed as the NTC probe.

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tbirdfan1
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Hello there and thank you for choosing fixya
To tell you the truth i dont think the contrlole panel was the problem the control panel rarly goes out here is a list of the most common things that go out and are a lot more cheep to replace

Power from the house Check to see whether there's power getting to the dryer. Is it plugged in? If you plug something else into the outlet, does it work? If not, check for a blown fuse or tripped circuit breaker. Door switch If the door switch or the door-switch actuator is defective, the dryer won't work and you need to replace the failed component. The switch is inside the dryer main housing near the door frame. Sometimes you need to raise or open the top or front of the dryer to reach the switch. To determine if the door switch has failed, watch the part testing video at the bottom of this page. Thermal fuse On many dryers, there's a thermal fuse (a heat-sensitive fuse that blows if the dryer overheats) mounted to the exhaust duct inside the back cover panel. The fuse is about an inch long. It's usually embedded in black resin and mounted in a white plastic housing.

If the fuse has blown, it has no continuity. When this happens, your dryer either just stops heating, or it doesn't work at all. Be sure to inspect the venting/heating system before replacing the fuse to put the dryer back into operation. (You can't re-set this type of fuse.) To determine if the thermal fuse has blown out, watch the part testing video at the bottom of this page.
Wiring Often the main wiring connection from the house, at the dryer, burns and the connection breaks. In this has happened to your dryer, you need to replace the power cord and the terminal block inside the dryer to which the wire is attached.
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Posted on Aug 05, 2011

KevinWhite
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Hello & Welcome to FixYa

If you have already tried cleaning the vent then the problem is with the Thermal fuse. When the thermal fuse goes bad it cannot be reset and replacing it is recommended repair. It is located on the blower wheel housing inside the rear panel to the exhaust duct. You can test it for continuity before replacing.Please get back to me if you have any other questions.

Kevin

Posted on Aug 07, 2011

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