Stove Top Hood Fan December 06, 2022, 07:04:22 pm WHY DOES THE HOOD FAN ROAR ANYTIME IT IS ON. IT SOUNDS LIKE A REVVING CAR ENGINE. IF I TURN IT OFF THE SMOKE DETECTOR STARTS BLARING....THE OVEN DOES NOT SET IT OFF, ONLY THE BURNERS ON TOP.
Re: Stove Top Hood Fan Reply #1 – December 06, 2022, 07:42:55 pm Hi Nipomo; Well it is a cheap little fan. It isn't meant to stay on, just while you are cooking something that needs to be ventilated. I don't use it much, but I don't need an indicator light to remind me that it is on. Remember to open the roof vent, just a bit. 1/8" will do to let the carbon monoxide out. The stovetop burners always put out some carbon monoxide. And some smoke also if that is what is setting off the alarm. Once I had some debris on a burner, so it didn't light up all the way around. It managed to set off the CO alarm, the LPG alarm and maybe the smoke alarm nearly all at once. Fortunately no cats were on that ride, and my dad couldn't hear the alarms. So he wasn't sure why I was running around. Looking at your previous posts, I hope you aren't still waiting for a call from Lazy Daze. You will have a long wait. The company went out of business permanently in June, after a very good run of 66 years. The only ones available now are hopefully 'gently' used ones, with no selection of miles, condition, colors or options (or location). Most people here prefer not all 'Caps', and your name would be good. Welcome to the group. RonB 1 Likes
Re: Stove Top Hood Fan Reply #2 – December 06, 2022, 09:07:06 pm Sorry about the all caps, it won't happen again. When we heard that Lazy Days closed their doors we found one in Sacramento and went up the next day and bought it. It's a 2005 mid bath (26.5) and we've been working on it since July. We went on our first short trip this weekend & love it compared to the truck camper we've been using for the last 18 years. The hood fan will be just added to the list of things to do. 3 Likes
Re: Stove Top Hood Fan Reply #3 – December 06, 2022, 09:32:20 pm Quote from: Nipomotraveler - December 06, 2022, 09:07:06 pmWhen we heard that Lazy Days closed their doors we found one in Sacramento and went up the next day and bought it. It's a 2005 mid bath (26.5) and we've been working on it since July. We went on our first short trip this weekend & love it compared to the truck camper we've been using for the last 18 years.Congratulations!Hopefully you can drop by Morro Bay in March next year!
Re: Stove Top Hood Fan Reply #4 – December 06, 2022, 11:40:55 pm The stove fan in our 2005 Rear Bath was making the same loud noise as yours,I removed the fan assembly. Then made sure that the fan was solidly attached, oiled the motor,and remounted the fan using rubber washers between the fan and the metal housing.The rubber washes helped to reduce the vibration transmitted to the frame and reduced the amount of noise significantly.The fan still does make some noise, but much less than before.Brad - 2005 RB 5 Likes
Re: Stove Top Hood Fan Reply #5 – December 07, 2022, 01:49:56 am Hi Brad; I never thought of trying that. I even have some vibration mounts for small fans, so I'll try that. I rarely cook anything that needs a fan, and if it were too quiet it might get left on for long periods of time.
Re: Stove Top Hood Fan Reply #6 – December 07, 2022, 10:44:06 am Another possibility is to replace the cheap stovetop hood fan with a 12 V computer "muffin" fan. The only caveat is that you need to use one that moves enough air to push open the flap in the outside vent--not all computer fans do. 2 Likes
Re: Stove Top Hood Fan Reply #7 – December 07, 2022, 03:16:09 pm Quote from: Dave Katleman - December 06, 2022, 09:32:20 pmCongratulations!Hopefully you can drop by Morro Bay in March next year!I was wanting to go to Morro Bay in March, but I'll be on another trip. I dropped the stove top fan down & cleaned the dirt off the blades. It cut the noise in half, so now we don't have to shout at each other. 1 Likes
Re: Stove Top Hood Fan Reply #8 – December 08, 2022, 12:16:58 pm Hi Brad; I took my "noisy little fan" out and it was larger than I remembered. Hanging in free air by its wires, it wasn't all that noisy, so I think some type of vibration isolation will help a lot. Looking in the hole reveals that the galvanized flap over the opening to the outside vent, had broken off, and was laying nearby. I did find one comment in the archives: Exhaust Vent Mystery Metal Reply #1 from Mike Richmond that described the issue. Removing the hood was thwarted by the very short wires. Maybe the intent was that it wouldn't fall out onto the stove top because the wires would stop it. So I'll cut the wires and put in detachable crimp connectors. I'm tempted to put in some type of mechanical contraption that would manually open the flap and turn on the fan. And turning off the fan would require closing the vent. Sort of like a manual choke on a car engine, (if anyone else is old enough to remember that.) Might as well put a reminder light on that switch. It's always something! RonB
Re: Stove Top Hood Fan Reply #9 – December 08, 2022, 02:09:36 pm Ron, I DO remember the manual choke! I still have one on my old tractor too.About the range hood flap, we used to hear that thing flapping when we were passed on the interstates by big trucks. Our flap eventually fell off too. A call to Lazy Daze revealed that they had not used any kind of mechanical attachment. Instead they had used some sort of heavy duty duct tape to create the hinge. I did likewise and seem to recall I had to remove the fan to get my hand in there. My repair has held up for around 8 years.If the noisy fan bothers you, your hearing must still be good😆Steve K
Re: Stove Top Hood Fan Reply #10 – December 08, 2022, 04:50:14 pm H Steve K. I prefer my fans to be nearly silent. This one does propel a lot of air, but has no vibration mount between the fan and the exit plenum. The Plenum box resonates and adds to the sound level. It could be lined with some sound deadener to make things quieter. Of course then I'd have to clean more than that mesh filter once in a while. I may add some sound proofing. The flapper could do with a permanent hinge. A 'choke' handle just underneath the front of the vent hood would be out of the way, and less visible. It could open the vent, and turn on the fan. Close the vent to turn the fan off. The light was pathetic and has been replaced by LED, but could stand to be added to with a small LED fixture that I've put in the cabinets. License Plate LED Truck and Trailer Light - Universal Courtesy Accent Light... with the black hood removed. That would improve the cooking environment. I'll do that while I have it apart. RonB
Re: Stove Top Hood Fan Reply #11 – December 11, 2022, 01:59:17 pm I added one of Larry's favorite DC motor speed control boards. On my exhaust unit there is a sheet metal cover that goes over the front control electrical connections. The back side of the cover is completely open above allowing for the mounting of the motor control board. I don't care for the potentiometer that they send with the speed control because it does not contain an on/off switch to completely cut power from the board and so I ordered ones that have a switch. Even though it only draws 5ma at zero speed I prefer that the board has no power when the fan is not being used and I just like the feel of a click when turning the fan on and off. Not having to run the fan full out has cut down on the noise considerably. The exhaust unit manufacturer seems to have installed an adequate damper (see below) which is a plastic sheet hinged by side tabs at the top of the damper. This has allowed for good air flow at slow fan speeds. I painted a fender washer black and used it to mount the speed control potentiometer covering up the existing rectangular cutout.This job requires some soldering skills (soldering wires to potentiometer/switch) and being proficient at the game of "Twister" which translates to the work that is done over the stove.KendallDC Motor Speed ControlPotentiometer-Switch 3 Likes As an Amazon Associate Lazy Daze Owners' Group earns from qualifying purchases.
Re: Stove Top Hood Fan Reply #12 – December 11, 2022, 02:19:16 pm Hi Kendall; Ah! Larry's favorite Rio Rand controller. My old '99 has a galvanized steel flapper, whose hinge of duct tape expired years ago. I could try a piece of plastic, with a real hinge, and a small spring to keep it closed, except when the fan is running. An alternative would be a lever to open and close the flapper, that also actuates the fan when open, if the original switch is on also. Still considering my options. RioRand Upgraded Adjustable DC Motor Speed PWM Controller 10V 12V 24V 30V... Won't need the reversing switch. Still need to add some more lighting. Better color rendition and two sources to provide less shadowing. Easier to cook if you can see what is going on. Small parasitic loads are inconsequential now with LiF batteries. RonB As an Amazon Associate Lazy Daze Owners' Group earns from qualifying purchases.
Re: Stove Top Hood Fan Reply #13 – December 11, 2022, 03:35:44 pm Nice job, Ron! I took a slightly different tack with my previous Airstream's stove hood: I kept the original on/off switch, and mounted a speed control knob next to it. Once I had settled on a preferred setting (about half speed), I just flipped the switch on when I wanted to use the fan.For what it's worth, I used either this board-mounted speed controller or this one with a separate knob--I bought both, and can't remember which I ended up installing. Both are well under ten bucks, so it's an easy mod. And both have screw terminals, so no soldering is required.With my present Airstream, I didn't bother to add a speed control, because I never use the stove hood fan. I don't cook the kind of things that need it... and anyway, there's a Fan-Tastic fan in the ceiling a couple of feet from the stove. 🙂 3 Likes As an Amazon Associate Lazy Daze Owners' Group earns from qualifying purchases.
Re: Stove Top Hood Fan Reply #14 – December 12, 2022, 05:20:11 pm QuoteI added one of Larry's favorite DC motor speed control boards.Another neat project I can knock off! Thanks, Kendall.jor
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