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PVM1870SM1SS stopped heating and the fan has 3 levels of speed only has high speed will not go to med or low

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More information is needed, like Manufacturer, make and model.

Posted on Nov 27, 2014

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Posted on Jan 02, 2017

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Have a 2009 Nissan Quest I can't turn the heat off. Just stays on a high level of blowing out heat .


If you have a fan that has different speed settings (1234, or low med high etc) and the only one that works is high - then the blower resistor pack has failed. If you have a climate control unit (where you just pick a temp you want) then the fan is controlled by the heating system and it sets fan speed. If you have climate control style try lowering the temp to a lower setting (current temp in vehicle) and see if fan slows down. If not then climate control unit or fan resistor bad. If dial type and you get nothing on lower settings (only high works like mentioned above) you need to change blower resistor. It is located under dash near the fan itself. Look for small unit bolted in duct near fan with wire plug going to it.

Feb 23, 2015 | Nissan Cars & Trucks

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Furnace transformer/fan-relay wiring to fan-motor


All you need is 2 fan speeds, 1 for cool and 1 for heat. Leave the low speed disconnected. Normally we have high speed for cooling, and med. or low for heat. So either speed connected to the heating circuit is fine.

Apr 12, 2017 | Heating & Cooling

1 Answer

Furnace transformer/fan-relay wiring to fan-motor



Sounds like a relay problem but if your fan is running in heating and cooling and operating ok , leave it how you got it. It is possibly the low speed winding is shorted but will be fine with med and high. Sounds like a psc motor, doesn't use 3 speeds

Mar 31, 2017 | Heating & Cooling

1 Answer

The heat only works when its on high..when the fan is on.. when its on low or med there no heat blowing??


You have a bad resistor on the fan. High is the only speed that doesn't run through the resistor.

I hope this helps you.

Feb 02, 2011 | Chrysler Sebring Cars & Trucks

1 Answer

Which symbol on remote is cooling? I dont have a manual but is on the wall, symbols are a fan on the bottom LH, an a sun on top LH I think? Are you able to help me with modes to select please?


Symbols:
1. fan leaves - Fan only
2. Rain drop- Dry mode
3. Snow flake-Cool mode
4. Sun- Heat
5. A or AU- Auto mode.
L-means fan speed low
M-means fan speed of med H-means fan speed of high.
To get proper cool, mode "cool" and less 3 degree minimum than your room temp.
To get proper Heat mode "Heat" and 3 degree more than room temp. Hope, helpful

Jan 30, 2011 | Sanyo Heating & Cooling

1 Answer

Change motor speed


if it is afixed speed system, the taps on the motor are: black = hi speed
yellow = med hi
blue = med low
red = low
you may not have a yellow
white is always neutral or comon

Jun 22, 2009 | Lakewood 007 Floor / Box Fan

2 Answers

Changing the 3 speed switch on my westinghouse ceiling fan


If you are careful and take the hot coming into the fan from the power source and connect it to the colored wires one at a time, you will be able to find which one is high, med. and low. Then connect them. Hot in is L, 1 is low, 2 is med, 3 is high

Jun 18, 2009 | Speed Ceiling Fan 3-speed Switch By...

1 Answer

Need to replace the switch that has ,hi,low,med off on nit? please Help


you have 3 control wires (the 3 speeds) and a common wire. the common wire will go directly from the fan motor to the power source/cord and the other 3 leads will run through the switch. you could even use a standard dimmer-style lighting rheostat and connect it to the common and "high" fan speed wire and have infinitely variable fan speeds. hope that helps.

Apr 30, 2009 | Lakewood HV-18 Floor / Box Fan

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