Question about Optimus F-1660 Fan

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Actual model is # F-1666

I need a location to get a replacement owners manual and it won't go into "high" speed... It will turn on low and medium but not high...

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1992 chevy C1500: Heat works on low speed, no medium, and high only works intermittantly.


On any other vehicle it sounds like the blower fan switch.
The fan switch provides power or ground to the resistor and there would be a high speed blower relay to bypass the resistor.
But in your case the fan switch is part of the controller.
I don't have a diagram for a 92 but the 94 model shows relays for low medium and high speeds. Each relay gets power from a fuseable link. The high relay gets power thru the low relay if the low relay is not engaged.
If you have the model with 3 relays you may need to check them.

Feb 01, 2013 | 1992 Chevrolet C1500

1 Answer

My heater blowers dnt work and i need to knw where i can locate the resister blocks for my heater blowers so i can ghange them


Its located under dash,or near glove box.

The dash panel lower side has to be out.

HEATER BLOWER MOTOR


Its faulty blower motor resistor. The low and medium speed on blower motor is controlled by resistor and its actual speed is high. So because resistor is not working, blower motors actual speed which is high is working.


It can be faulty blower motor or faulty blower motor resistor. Get the blower motor inspected. If it's faulty it has to be replaced.


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For blower motor testing and replacing, check the link below: ----

Blower motor Testing/replacing for all vehicles?

http://repairhelpcenter.blogspot.in/2012/02/blower-motor-replacing-for-all-vehicles.html

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These will help.

Thanks.

Nov 28, 2012 | Cars & Trucks

3 Answers

Heater fan only blows on high speed


most likely the resister. Not very expensive part and should be easy to change out if you know where its located ( usually under the dash) You can buy a repair manual for your model at any parts store, and be sure to ask the parts guy if he knows where its located. he might just be able to save you the cost of the manual. Good luck with it.

Nov 27, 2012 | 1998 Chevrolet Cavalier

1 Answer

I need to replace a fuse for the blower


First, please review this article: Where's The Fuse?

Now, for your blower fuse...
Actually, there are 2 blower fuses in your car.
Fuse #24 (15 Amp) and Fuse #14 (20 Amp) Both are located in the fuse block on the end of the dash on the passenger side.
Fuse # 24 provides power for the LOW, MEDIUM 1, and MEDIUM 2 speeds. Fuse #14 provides power for only the HIGH speed.
If your blower motor does not operate on any speed, the problem is most likely a bad blower motor or a burned-up control switch. If it only operates on HIGH, the most likely cause would be a bad blower resistor.

Apr 04, 2011 | 1995 Oldsmobile Cutlass Supreme

1 Answer

High speed does not work but low speed does. Is there an easy fix, or will this require a motor replacement to get both speeds working again? The cooler is a Mastercool model MC64C


If your motor only works on low speed and not on high speed first check to see if you have the proper voltage to high speed. Check with a voltmeter or multimeter, check from common on the motor to high speed on the motor at the switch. If you have the proper voltage then you have an open winding on high speed and the motor needs replaced. If you don’t have the proper voltage or any volts, then the switch is bad and needs replaced. This also will be the same if, medium speed won’t work and low speed does.

May 29, 2010 | Mastercool 67680 Evaporative Cooler Air...

1 Answer

High speed setting of fan does not work


If your motor only works on low speed and not on high speed first check to see if you have the proper voltage to high speed. Check with a voltmeter or multimeter, check from common on the motor to high speed on the motor at the switch. If you have the proper voltage then you have an open winding on high speed and the motor needs replaced. If you don’t have the proper voltage or any volts, then the switch is bad and needs replaced. This also will be the same if, medium speed won’t work and low speed does.

May 29, 2010 | Kenmore 72115 Air Conditioner

2 Answers

Low does not work, medium and high do


You probably cant fix it, this sounds like a multispeed blower with hi/medium/lo settings. You
can either replace the motor or connect one of the
working speeds to low/med or low/hi. or bump med to low and high to medium.

Jan 12, 2010 | Desa International Blower Glow Warm Wall...

2 Answers

Why does blower fan speed switch lock-out off and low speed positions on 1998 chevy silverado? It stopped working altogether then I replaced a 10 amp fuse and now only medium high and high will work but,...


Sounds like you may have a bad blower motor resistor.  When they go bad, they usually wipe out all speeds except high.  But could knock out just one or two of the speeds.  It should be located near the blower motor.

Sep 10, 2009 | 1998 Chevrolet K1500

2 Answers

No ac / fan only works on high


replace the AC blower motor speed control resistor, it is burned out

Jun 30, 2009 | 1993 Dodge Caravan

1 Answer

Hunter fan with remote control was 3 speed, now only 2 speed


It sounds like fan motor is okay. There are two motor windings -- one low speed, one medium speed. Low winding gives you low speed, medium winding gives you medium speed, both windings give you high speed -- so I would say if you get high speed, both windings are good.

The remote (the hand held transmitter) controls the speed by raising and lowering the frequency of the current which is 60 cycle coming to the fan ceiling box. If the fan speed -selector switch (usually a pull switch) is set to high, when the remote (transmitter) signals the receiver to change speeds, the frequency of the current is changed by the receiver (the receiver is usually in the fan housing).

Sounds like you'll need to replace the remote system -- these come in sets, both transmitter and receiver, and cost about $30. If you're not experienced with wiring fans, you should get an electrician to do the job.

Apr 21, 2009 | Hampton Bay 24002 Ceiling Fan

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