Question about Viking VWH3048 Kitchen Hood

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I have a Viking VWH3048SS hood fan that does not spin when the power switch is enabled.

The blower will spin once started by hand, and then properly controlled by the rotary speed controller thereafter. The fan blower just does not begin turning/spinning on its own.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Rotu
  • 175 Answers

SOURCE: DIPR160R

If I'm not mistaken, these are the same as the Dacor range vents. If thats the case, we have seen a LOT of bad control boards on these, but I can't say I've ever had one with quite the symptoms you are describing. You may just need to reset the filter timer, as that light comes on every 40 hours of use I belive. But I think you said you have already done that. If you have cleared the light per the instructions and it just keeps coming back on, then you probably do have a bad control board. That should be located on the lower right of the unit behind a small square acces hole, if its like the model I am familiar with. They arent too hard to change, just make a diagram of all the wires before you pull em off and make sure to turn of the power first. One more thing, if the filter light doesnt come on after you reset it, try taking the blower motor box of the front of the unit and checking the 3 prong connector between the fan and the vent and make sure it hasn't come undone or that one of the terminals hasnt backed out of the connector, causing a poor contact. Good Luck!

Posted on Nov 05, 2006

freetek
  • 5568 Answers

SOURCE: Electric spark for gas range burner is non stop

Turning any knob starts the spark via a switch behind each which should disengage when the (any) knob is turn further.
One of your switches is stuck.

I think you should be able to remove the range-top for access and find the offending switch.
It is probably gummy from a spill and is no longer in solid contact with the cam that operates it.

A solvent/lubricant such as WD-40 sprayed on the plunger of the switch once you can see it and operating the knob back and forth should free it up.

It might be wise to turn off the gas supply while tinkering with the range - blow your house away and the range won't matter. :-(

Posted on Jun 19, 2008

  • 89 Answers

SOURCE: Brand new Viking 3048SS hood - fan switch not working

think i would call viking back and ask for refund of inspection fee and go by the bad switch scenerio the electrician said new fan that would be considered flaws in workmanship in most states dont know where you are located but pretty much same anywhere most inspectors for these companies always try to blame problems off on installers hold your ground and make them fix it and refund that" inspection " fee I've been doing electrical work for several (20+) years it takes longer than 5 minutes to troubleshoot something like that good luck

Posted on Aug 23, 2008

  • 1 Answer

SOURCE: fan switch not work - Viking 3048SS brand new range hood

I did some more troubleshooting and figured out how to get the plate off that houses the switches. I disconnected the fan switch and created a safe electrical by-pass. I re-connected the main power supply and sure enough, the fan worked. Issue = defective switch. Currently looking to order replacement. Problem solved.

Posted on Apr 11, 2009

  • 4 Answers

SOURCE: I have a viking Professional range hood. While

FLASH covers a multitude of possibilities. What is the voltage of the blower motor. What you are describing often happens when 220 is wired to a 110 lighting circuit. I would not be running the blower motor although I hope it has inherent built in motor protection. If the voltage is applied higher to light bulbs they become flash bulbs. Florescents can become fire fixtures fast. If you are not an electrician back away from this and disconnect power at your breakers. Do not open up and trouble shoot if you are not qualified so you do not get embarrassed and have a dirt nap. It only takes about 40 vo;ts and a few milliamps cross chess to kill you. Also when ever you turn something on start and keep the habit of using one hand to turn it on and one hand to grab your pants behind you. OK OK or skirt. This prevents a cross chest shock . Old Navy (USN) death defeating rule that sved me many times and still. Remember call a pro when you do not know .

Posted on Dec 04, 2009

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Light and fan are two separate functions in your hood. The fan gets very greasy from the cooking. The grease doesn't act as a lubricant but as dirt. Remove the fan from the unit and check to see if the shaft is wiggling,or if it is seized. At this point you may need to replace motor. If it turns somewhat put a few drops of oil at the shaft, both ends if possible, and spin the fan by hand until it's loose. Replace back into hood and see what happens. Many times the bearings in these fans go dry and will not spin. GOOD LUCK FRIEND.

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Some units have a dead man switch, which means that if the filters are not in place correctly the blowers will not operate. Its a safety thing to prevent little ones from dropping toys into a running blower. Double check the filters placement, if the filters are in the proper location than I would look at the power to the blower unit. The vent has two jobs, (1) to raise and lower, (2) to turn on the blower unit once in the full up position. If this is not the case, the upper switch in the vent system has failed. If you already confused, you will need to call a Viking expert to correct this problem. Its not difficult but can be time consuming.
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I have a viking Professional range hood. While


FLASH covers a multitude of possibilities. What is the voltage of the blower motor. What you are describing often happens when 220 is wired to a 110 lighting circuit. I would not be running the blower motor although I hope it has inherent built in motor protection. If the voltage is applied higher to light bulbs they become flash bulbs. Florescents can become fire fixtures fast. If you are not an electrician back away from this and disconnect power at your breakers. Do not open up and trouble shoot if you are not qualified so you do not get embarrassed and have a dirt nap. It only takes about 40 vo;ts and a few milliamps cross chess to kill you. Also when ever you turn something on start and keep the habit of using one hand to turn it on and one hand to grab your pants behind you. OK OK or skirt. This prevents a cross chest shock . Old Navy (USN) death defeating rule that sved me many times and still. Remember call a pro when you do not know .

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There is the on off switch and the blower control that controls the speed of the fan. It is more than likley the blower control that would need replaced.

There could also be a wire disconnected in the hood.

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1 Answer

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think i would call viking back and ask for refund of inspection fee and go by the bad switch scenerio the electrician said new fan that would be considered flaws in workmanship in most states dont know where you are located but pretty much same anywhere most inspectors for these companies always try to blame problems off on installers hold your ground and make them fix it and refund that" inspection " fee I've been doing electrical work for several (20+) years it takes longer than 5 minutes to troubleshoot something like that good luck

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Open up unit and using test light from the hardware store and motor plug disconnected...turn on fan and probe the motor feed wire for power. It may be the switch that's bad. This should tell you.

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