Question about Casablanca Fan Dryers

3 Answers

Need a replacement fan speed potentiometer.

Fan speed switch located on unit itself. Controls only the fan speed. Reported to be a 330 ohm switch (seems low). Casablanca no longer sells the switch. The resistance figure was provided by a lady at Casablanca. I wasn't sure that she was correct.
Should I hit Radio Shack?

Posted by on

  • 1 more comment 
  • John Hebbe Jun 17, 2008

    The track history of the product was not so important. It’s 25 years old but rather top of the line when it was new. No problem history here at its only location since out of the box.

    The unit had been left at, let’s say, 1/5 speed for years. Low RPM providing gentle, cooling air movement. The resistance amount was reported by a Casablanca rep who took the time to look it up. 330 Ω with a 1% tolerance.

    Recently, when turned on, the fan speed went to high (zero ohms). Rotation of the pot provided no speed change. I wouldn’t have considered the heat-sink mounted resistor since its function as a fixed resistance element would probably have had less (if anything) to do with fan RPM.

    Feeling certain that the fan speed switch was the culprit, I checked with Casablanca. Their 330 ohm data seemed initially low. But then, I had no idea of the load rating of the switch.

    Searching for a replacement proved difficult. No local repair stores had one similar for sale. On line, I located Allied Electronics who had a 350 of the right size (0.875” D.) but they were out of stock. They directed me to Digi-key who did have it. About $30 and in the mail within the hour. UPS.
    All things considered, I think this will be the solution and, if not, will be pleased to notify you that I was wrong and you may have been right. I’m thinking a failure of the heat-sink resistor would have created a different problem altogether. I may look into the 3-speed conversion if necessary.

  • John Hebbe Jun 21, 2008

    EATING HUMBLE PIE.

    I promised a response if I (original poster) was wrong in disregarding your 'Best Solution'. Well, I was wrong. The original rheostat, when checked, was still in working order. The solution offered by FixYa may or may not be correct but my repair idea was completely wrong.

    I want to upgrade my earlier grade for your reply to the second from the highest mark. I can't find your scale here today.

    If the local repair company can not fix it we'll have to replace it which is too bad. It has been a wonderful fixture.

    /s/ Skyraider

  • John Hebbe Jun 21, 2008

    An earlier response indicated that I disagreed with your heat-sink answer. It also stated that if I was wrong with my fix-it solution, I'd admit this to the world here.

    Well, my solution (replace the rheostat) was not the answer. Further checking showed the original fan rheostat switch was still in proper working order. Yur answer may or may not be correct but my reasoning was certainly wrong.

    I want to upgrade your rating to Three diamonds, Helpful. The local repair shop will be the final authority.

    Thanks for your considerations.

    /s/ Skyraider.

×

3 Answers

  • Level 1:

    An expert who has achieved level 1.

    Governor:

    An expert whose answer got voted for 20 times.

    Corporal:

    An expert that has over 10 points.

    Mayor:

    An expert whose answer got voted for 2 times.

  • Contributor
  • 20 Answers

Okay -- first off, I don't know where she got that number from, but that's idiotic.

The variable-speed switch will provide different readings depending on where it's turned to. If the switch is busted ("open), it will typically display a reading of 'infinity' on your ohmmeter.

And yes -- the best place to find a replacement is Radio Shack, since Casablanca discontinued them.

HOWEVER---

Casablanca's variable-speed ceiling fans -- specifically the "SlumberQuiet" ones, which were made from circa 1980 or 1981 to the early/mid 1990s when variable-speed was discontinued -- are well-known for breaking down. The problem is almost never the potentiometer (variable-speed dial). Rather, the problem is almost always the resistor which is mounted in the heat-sink inside the fan's motor housing. There are NO replacements left for these -- so Casablanca makes a "variable-speed to 3-speed conversion kit", which will convert your fan to a more normal 3-speed pull-chain (hi-med-low) setup.

I hope that helps! If you have any other questions, please feel free to ask!

Posted on Jun 17, 2008

  • Level 1:

    An expert who has achieved level 1.

    Mayor:

    An expert whose answer got voted for 2 times.

  • Contributor
  • 2 Answers

First, I have a BRAND NEW Casablanca potentiometer, stamped 1954150. It ohms out at 0 to 5.13K ohms, linear taper. ANY 5K ohm linear taper pot could be used. As stated above, a greated value could be substituted, but the scaling would be different - obviously.

Second, I wish everyone here would stop calling that "thing" on the aluminum heat sink a "resistor". It is a high power NPN TRANSISTOR. It is used to add or remove current from a pair of fixed resistors on the PCB, effectively forming an infinitely variable VOLTAGE DIVIDER between the bridge rectifier (powering the fan) and the fixed resistors. Clever in theory, unreliable in practice. I should know, I've rebuilt mine 3 times in 15 years. This last time, the pot went south. Fortunately, I had 1 more OEM pot in stock.

Finally, and for those of you that are interested, contrary to anything Casablanca tells you, the bearings in these units (at least mine) ARE replacable. Casablanca will tell you they are not, and that you MUST purchase a new fan motor for several hundred dollars - which pisses me off to no end. I have a Victorian Vari-Quiet (which I love), and the replacement bearings are 6005-2RS C/3 (Consolidated #). They are around $50 per set of 2 and widely available. However, they are not exactly easy to replace. But if you take your time , it is absolutely possible. I've replace the bearings in mine twice now. Note that you WILL have to cut 2 wires and resolder them. So if you can't solder, don't attempt this.

Posted on Aug 10, 2009

  • TallTexan Aug 10, 2009

    P.S. The next time I need to replace the potentiometer, I will use a "WIRE WOUND" 5K ohm linear taper pot. These are a little more difficult to come by (and a little pricier), but should be the last pot I ever install in this fan. It was definitely a "weak link" in the overall design. If you need to replace the pot (ohm it out first and check for "dead spots"), don't waste time looking for an OEM replacement, unless you happen to have one laying around. Use a "wire wound" aftermarket replacement and save yourself the headaches of future failures.



    Also, the reason the bearings (at least for my Victorian) are so readily available is because they are the exact same bearings used for ATV axles. -smiles-

×

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 2 Answers

I have three of these fans. The potentiometer in one of them developed a dead spot and I replaced it. Works fine now. In case anybody is interested, the potentiometer is 25 Kohm linear taper.

Posted on May 30, 2009

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Need replace fan switchy works on number 3 setting


Will more than likely be the rheostat that controls the speed that is at fault and not the switch this will be located close to the fan itself follow wires back from fan to find location

Sep 16, 2013 | Renault Clio Cars & Trucks

1 Answer

Need a fan motor for millermatic 135 part#196 063


If You are wanting to avoid the high price of an official replacement, you can use an exhaust fan motor from an inexpensive exhaust fan from a home center- but you will need to locate a 24 volt transformer of about 1 Amp capacity -24 Volt Amps. These are used in furnaces so one pulled from a scrapped furnace will also save some cash.

It is a matter of locating the transformer out of the way, then clipping the wires that go from the control board to the old fan motor, Locations on the PC board of 12 and 13 and making those connections. Then running the primary leads and the new fan leads together to the AC power coming in. On 220, you are only going from one hot to return, so your nominal votlage for fan and transformer remain at 115 volts. Terminals 11 and 15 on the Control board.

Since the original was a nominal 24 volts, using a discrete transformer may leave you with a faster than expected feed rate you cannot slow down significantly. If that happens,either put resistance in series with the transformer output, 1,2 or 4 Ohms will slow it down some, as will changing the speed control potentiometer itself.

Miller used a 2500 Ohm linear taper potentiometer in most cases. Raisng the resistance to 5000 Ohms will also slow down the feed rate and using a 1000 ohm linear taper potentiometer will speed it up as well.

Jan 03, 2012 | Welding Tools

2 Answers

My 03 galant has an electrical issue. My heater and air conditioner work just fine but the fans stopped working. What could be my problem


if the fan still works on highest setting only the fan speed resistor block is faulty.
if the fan doesnt work on highest setting check for power at fan while on highest setting with globe test light, as well as checking fuse for fan. 2 wires one power other is earth. if power is there the fan motor needs replacing so long as the earth wire is also ok check with voltmeter on Ohms for continuity should be a couple of Ohms any higher is no good.

Sep 02, 2011 | 2003 Mitsubishi Galant

1 Answer

Replace fan speed switch


Before you replace the fan speed switch...make sure you check the fuse...then check the motor...and finally check the resistor assembly...the resistor assembly controls the different speeds of the fan motor by allowing the switch to put different resistors in and out of the circuit to reduce the fan speed...it is usually located on the heater housing near the fan motor..they are a common failure...the switches don't fail as often

Jan 20, 2011 | 2002 Pontiac Sunfire

1 Answer

Blower moter won't run blower good


replace the fan resistor located on the side of the heater box under the dash usually on the passenger side this controls the fan motor speed along with the switch itself.

Dec 08, 2009 | 1999 GMC Safari

1 Answer

Flair Fan


OK, good news and bad. Check the actual fan speed potentiometer with a ohmmeter. There are only two outs from the pot itself to the little circuit board that its attached too. The pot is 75K so make sure your ohmmeter is in the right range setting. With the meter connected, turn the dial and make sure it goes from 0 to between 70K and 75K ohms. If it doesnt or its all over the board, then the pot is the problem. Now I can't seem to find one that is a direct replacement, 75K is an oddball. I didn't un-solder mine from the board. If yours is bad, unsolder it and look on the back for the manufacturers part number, google that with the p/n as the search terms.

The circuit for the fan is not tied to the sanatize button. The circuit is relatively small, with two film capacitors, two resistors, a diode, and a triac. The circuit is on the board located underneath the unit. The circuit is located right next to the fan pot inputs on the main board. Its about 1" square with the "fan pot" inputs at the bottom left corner, if reading labels right-side-up. Resistors are almost indestructable so it is probably not them. I would lean towards the triac, diode, or caps. Look at the components and the solder connects in that circuit. If anything looks burned or black, or a solder joint looks like it has gotten too hot, that component is probably the problem. If its not the pot, which more likely than not it probably is, then I would lean towards the triac or diode. Here is the triac p/n:511-BTB06-600T. The diode I would also have to unsolder to access the part number, or I would list that as well.

I would start at the pot. That would be my guess as to what went bad. It could also be a bad solder joint on the small board the pot is soldered on to. Also check and clean the 1/4" disconnect terminals on the fan motor itself. For mine, I just cut off the old female terminals on the wires and crimped on new ones.
Hope this can give some help.

Sep 26, 2009 | Ecoquest Flair Air Purifier

1 Answer

1999 C1500 Suburban - Front Blower Either Runs On High Or Not


high amperage draw. do all the speeds work? if so replace the motor. if not replace the resistor and the motor.

Sep 18, 2009 | 1998 GMC Sierra

2 Answers

Automatic climate control fan only works on high


either the control units are bad or the vacuum hoses behind controls are leaking or the module itself is bad.

Jul 02, 2009 | 2003 Hyundai Santa Fe

2 Answers

2004 elantra heater control only operates at #4 setting


If # 4 is the highest fan setting it might be the resistor pack that controls the fan speeds.For each speed increase the fan switch takes a resistor out of the resistor loop The highest speed is a direct connection to the battery. The switch is usually located very close to the fan since it gets quite hot and needs to be cooled by the fan.It is also generaly accessible from under the hood,but not always.Sometimes it is under the dash Hope this helps.

Dec 08, 2008 | 2004 Hyundai Elantra

2 Answers

Casa blanca fan motor speed control


www.casablancafanco.com

Jul 28, 2008 | Dryers

Not finding what you are looking for?
Dryers Logo

Related Topics:

2,877 people viewed this question

Ask a Question

Usually answered in minutes!

Top Casablanca Fan Dryers Experts

Henry  Thomas
Henry Thomas

Level 3 Expert

1074 Answers

Jerry Greenberg
Jerry Greenberg

Level 3 Expert

1667 Answers

yadayada
yadayada

Level 3 Expert

70387 Answers

Are you a Casablanca Fan Dryer Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...