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Hoover Vented Tumble Dryer VHV781C-80 No Heat

by / Tuesday, 26 January 2021 / Published in

Hi, Thank you for your guide, I have been through the various steps of the guide, but to say I am a little puzzled is an understatement. I tested all thermostats and had continuity over all of them. I tested the heater, (i think correctly) plus (by mistake) I managed to put my fingers on the heater element and got an electric shock (oh dear!) so I know I have power to the heater assembly. I just cant seem to find a reason for it not heating. On the PCB board, I noticed the relay you change in your board was slightly discoloured (looks like heat damage) and I could notice a spark from inside the relay after a couple of moments of operation.Does this sound like a relay failure? If every other sensor is good? We had a power failure (unsure why, could have been overload, blew a 13A fuse, the dryer and washing machine are on the circuit) but washing machine is fine.I can obviously get the part number off the relay if needed and solder the item, if this is the problem, where is the best place to get them?Thanks, Rob.

Robert Shipman

Paul answers

I will try and help with your Hoover Tumble Dryer VHV781C-80 problem.

These Hoover tumble dryers are notorious for the Relays going faulty on the circuit board, they only cost about £10 and well worth the gamble on fixing your Appliance, I have also added the wiring diagram for this tumble dryer and also the exploded diagram of all the components that will fit into this machine you will also find links below for the correct parts for your machine.

And I have added some free videos to help

 

 

 

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Hoover Tumble Dryer VHV781C-80 wiring diagrams

VHV781C-80 wiring diagram

Common Hoover Tumble Dryer VHV781C-80 faults with links to the right repair guide

I have included a lot of videos in the links below on these tumble dryers to assist you in repairing your tumble dryer; I have also included an exploded diagram of your machine with all the parts that you need listed below that just click on the relevant and it will take you to a search result

  1. No heat

This is the most common fault on tumble dryers.

Vented dryers: this can be a fault with the thermostats, heater, or on some occasions, it might be the timer or the relay on the printed circuit board.

Condensor dryers: this might be any of the above but you also have a condenser plate that collects the water and then is either pumped to the collection tray or flows into a tank. Check pump unit and float switches.

Heat pump dryers: these are much more complicated they use a refrigeration prosses to heat the cloths and use the cooling side to condense the water for collection. Check compressor is running, check NTC sensors and check filters, and also that it has the right amount of refrigeration gas (normally only done by an engineer)

  1. Drum not turning

This will stop the dryer from drying. You may have to replace a faulty belt or in other cases, look at the motor, motor capacitor, or the jockey wheels. Again there are relays on printed circuit board types that can go faulty.

  1. Not starting

Whilst, not a common problem, you may have a faulty door switch, starter relay if fitted, or can be start button or PCB.

  1. Noisy Machine

This is usually caused by faulty bearings, jockey wheels or worn felt pads. The motor can get dust build up in the bearings, also the fan blades can distort in shape and make noise rubbing the housing.

  1. Water leaks.

This can be a simple as the water tank (in a condenser tumble dryer) has not been emptied, or not placed back into the housing correctly. The condenser plate can need cleaning. The pump unit might not be working. Or the ducting system can be clogged with fluff etc. See servicing tumble dryer.

  1. Tumble dryer reports a fault code or error code.

Error codes can be on the display or given in certain lights flashing sequences. Tumble dryer fault codes are not universal but may only point you or an engineer in the right direction they are not 100% accurate they are only that for guidance. Your owner’s manual may help you identify the problem and even suggest a fix. In other cases, you’ll need an engineer to trace the fault. Don’t be tempted to ignore a fault code, even if the dryer seems to be functioning normally. Some codes are ‘early warning signs’ and fixing the machine at an early stage could save you time and money in the long run.Contact us with the full model number and detailed description 

Match your part for Hoover Vented Tumble Dryer VHV781C-80 and use reference number in list below and click on the link to your part

Reference Part Number Description
10 41031869 Timer/select. knob
31 40006287 Control panel
48 41019260 R/H side frame
48a 41019261 L/H side frame
49 40004597 Top rear frame
49g 91617795 Trade mark plate
51 40004601 Work top
60 40005025 Hinge
63 40005026 Door glass
67 40005141 Door with trim
74 40002137 Steam drain hose
76 40004166 Cabinet-assy
77 03730870 Rear panel
79 40002885 Foot
82 40005027 Door panel
88 40005716 Front panel
131a 92470020 Hose clip
151h 41033178 selector 12 settings
152 40006240 Switch assy
156c 09069857 Capacitor 8 MF
157 41033725 Harness
164 91200489 Anti jamming filter radio
171 40002180 Main motor
171 40006218 Main motor
202 40005712 Drum
205 40003979 Drum shaft assy
218 03210179 Bearing
219 21446068 Bolt
225a 40005405 Gasket
229 24721202 Circlip
230 40004306 Bearing clamp
271 40005393 Door gasket
292 40001012 Drive belt
318 40006188 Electronic control PCB programmed
441 40003707 Cover
442a 40001069 Rear fan
443a 40005714 Thermo fuse
448 40004318 Heater
461h 41014595 drying probe seal
491c 91200201 Mains cable x UK
494 40006185 Red window
520 40004092 Door coupler
643a 41021708 Handle plate - profile
657 41018444 Bracket
661 40005597 Motor support bracket
661 40001032 Motor support bracket
671 03610428 Washer
690 40003167 Rear sealing felt
696 40003227 Heater support
697 40003226 Heater support disk
706 40004799 Front ring assembly
707 40004787 Filter for carter
710b 40000601 Drum shaft earth tag cover
721 40000930 Discharge connection
777 40004157 Heater gasket
797 40004610 Beltightening pulley
799 40001026 Belt tighteningb spring
806 41013810 Upper hinge sleeve
807 41013811 Lower hinge sleeve
819 40005449 Drum scowel
822 40005029 Innerdoor assy
826 40004091 Door hook
835 40004307 Drum support wheels
1017 40003258 NTC probe
1026 40004946 Front felt

full list of spare parts for Hoover Vented Tumble Dryer VHV781C-80

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