Fan for A/C and Heater just quit - need help
#1
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Fan for A/C and Heater just quit - need help
Hi, I have a 2002 V6 Honda Accord Coupe. My A/C and heater fan just quit
yesterday. The fan only comes on if I turn the fan **** to Maximum, and even
then the A/C or heater doesn't work. I have checked all the fuses on the
driver's side, passenger side and engine compartment fuse boxes. Any help
would be greatly appreciated. Thank you so much. Karen L.
yesterday. The fan only comes on if I turn the fan **** to Maximum, and even
then the A/C or heater doesn't work. I have checked all the fuses on the
driver's side, passenger side and engine compartment fuse boxes. Any help
would be greatly appreciated. Thank you so much. Karen L.
#2
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Re: Fan for A/C and Heater just quit - need help
"IC2020" <kjlouie1@hotmail.com> wrote in message
news:daudndNN28x80tbeRVn-vw@comcast.com...
> Hi, I have a 2002 V6 Honda Accord Coupe. My A/C and heater fan just quit
> yesterday. The fan only comes on if I turn the fan **** to Maximum, and
> even then the A/C or heater doesn't work. I have checked all the fuses on
> the driver's side, passenger side and engine compartment fuse boxes. Any
> help would be greatly appreciated. Thank you so much. Karen L.
One of the resistors that control the fan needs to be replaced.
#3
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Re: Fan for A/C and Heater just quit - need help
"IC2020" <kjlouie1@hotmail.com> wrote in message news:daudndNN28x80tbeRVn-vw@comcast.com...
> Hi, I have a 2002 V6 Honda Accord Coupe. My A/C and heater fan just quit
> yesterday. The fan only comes on if I turn the fan **** to Maximum, and even
> then the A/C or heater doesn't work. I have checked all the fuses on the
> driver's side, passenger side and engine compartment fuse boxes. Any help
> would be greatly appreciated. Thank you so much. Karen L.
Possibly the resistors pack that controls the fan needs to be desolder and soldered.
> Hi, I have a 2002 V6 Honda Accord Coupe. My A/C and heater fan just quit
> yesterday. The fan only comes on if I turn the fan **** to Maximum, and even
> then the A/C or heater doesn't work. I have checked all the fuses on the
> driver's side, passenger side and engine compartment fuse boxes. Any help
> would be greatly appreciated. Thank you so much. Karen L.
Possibly the resistors pack that controls the fan needs to be desolder and soldered.
#4
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Posts: n/a
Re: Fan for A/C and Heater just quit - need help
"IC2020" <kjlouie1@hotmail.com> wrote in message
news:daudndNN28x80tbeRVn-vw@comcast.com...
> Hi, I have a 2002 V6 Honda Accord Coupe. My A/C and heater fan just quit
> yesterday. The fan only comes on if I turn the fan **** to Maximum, and
> even then the A/C or heater doesn't work. I have checked all the fuses on
> the driver's side, passenger side and engine compartment fuse boxes. Any
> help would be greatly appreciated. Thank you so much. Karen L.
>
The easy DIY things are checked out - sounds like time to get it fixed under
warranty.
Mike
news:daudndNN28x80tbeRVn-vw@comcast.com...
> Hi, I have a 2002 V6 Honda Accord Coupe. My A/C and heater fan just quit
> yesterday. The fan only comes on if I turn the fan **** to Maximum, and
> even then the A/C or heater doesn't work. I have checked all the fuses on
> the driver's side, passenger side and engine compartment fuse boxes. Any
> help would be greatly appreciated. Thank you so much. Karen L.
>
The easy DIY things are checked out - sounds like time to get it fixed under
warranty.
Mike
#5
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Re: Fan for A/C and Heater just quit - need help
I have an 1998 Accord and the fan switch ran on only one speed. I
thought the switch had broken. I was dreading having a dealer or
mechanic pull the dash apart to rplace the switch.
It turns out the the plastic on the fan speed **** (female connection)
had cracked. I pulled the **** off (pull towards you)and replaced it
(slide a new **** on) and the fan was fine. I have all 4 fan speeds.
This does not explain your heat or AC? ??
thought the switch had broken. I was dreading having a dealer or
mechanic pull the dash apart to rplace the switch.
It turns out the the plastic on the fan speed **** (female connection)
had cracked. I pulled the **** off (pull towards you)and replaced it
(slide a new **** on) and the fan was fine. I have all 4 fan speeds.
This does not explain your heat or AC? ??
#6
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Re: Fan for A/C and Heater just quit - need help
IC2020 wrote:
>
> Hi, I have a 2002 V6 Honda Accord Coupe. My A/C and heater fan just quit
> yesterday. The fan only comes on if I turn the fan **** to Maximum, and even
> then the A/C or heater doesn't work. I have checked all the fuses on the
> driver's side, passenger side and engine compartment fuse boxes. Any help
> would be greatly appreciated. Thank you so much. Karen L.
---------------------------
There is no resistor pack in that model, but rather a rectifier-driven
thing,. Thank goodness Honda also put in the 'full speed switch' for
such an event. The speed dial might be dead, or the terminal corroded.
The part that varies the speed is just inside the heater, beside the fan
and can be seen looking in over the glove box. (or at least you see the
screws that hold it in place) Might have to drop fan out bottom.(easy)
If there's RUST inside there, you've probably had problems with damp
carpet during rainstorms, right?
'Curly'
>
> Hi, I have a 2002 V6 Honda Accord Coupe. My A/C and heater fan just quit
> yesterday. The fan only comes on if I turn the fan **** to Maximum, and even
> then the A/C or heater doesn't work. I have checked all the fuses on the
> driver's side, passenger side and engine compartment fuse boxes. Any help
> would be greatly appreciated. Thank you so much. Karen L.
---------------------------
There is no resistor pack in that model, but rather a rectifier-driven
thing,. Thank goodness Honda also put in the 'full speed switch' for
such an event. The speed dial might be dead, or the terminal corroded.
The part that varies the speed is just inside the heater, beside the fan
and can be seen looking in over the glove box. (or at least you see the
screws that hold it in place) Might have to drop fan out bottom.(easy)
If there's RUST inside there, you've probably had problems with damp
carpet during rainstorms, right?
'Curly'
#7
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Re: Fan for A/C and Heater just quit - need help
"'Curly Q. Links'" <motsco__@interbaun.com> wrote in message news:434D555B.495F0E83@interbaun.com...
> There is no resistor pack in that model, but rather a rectifier-driven
> thing.
Probably an H-bridge power MOSFET. And probably has a thermal protection.
> There is no resistor pack in that model, but rather a rectifier-driven
> thing.
Probably an H-bridge power MOSFET. And probably has a thermal protection.
#8
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Posts: n/a
Re: Fan for A/C and Heater just quit - need help
Hi,
Actually the car has been well taken care of without any water damage. 26 K
miles We're the original owner. Where is the fuse for the fan? The reason is
I have checked all the colored looking fuses, but maybe the fuse is one of
the non colored things. Or there is this black plastic box, to the left of
the main fuse box on the firewall in the engine compartment. I didn't know
if these were fuses or not. The fan only blows on the over-ride high setting
but the A/C compressor doesn't engage or heater either, even in the override
high mode with the fan blowing. It does not blow cold air.
Thanks again for all your advice and any help you can give us.
Karen
"'Curly Q. Links'" <motsco__@interbaun.com> wrote in message
news:434D555B.495F0E83@interbaun.com...
> IC2020 wrote:
>>
>> Hi, I have a 2002 V6 Honda Accord Coupe. My A/C and heater fan just quit
>> yesterday. The fan only comes on if I turn the fan **** to Maximum, and
>> even
>> then the A/C or heater doesn't work. I have checked all the fuses on the
>> driver's side, passenger side and engine compartment fuse boxes. Any help
>> would be greatly appreciated. Thank you so much. Karen L.
>
>
> ---------------------------
>
> There is no resistor pack in that model, but rather a rectifier-driven
> thing,. Thank goodness Honda also put in the 'full speed switch' for
> such an event. The speed dial might be dead, or the terminal corroded.
> The part that varies the speed is just inside the heater, beside the fan
> and can be seen looking in over the glove box. (or at least you see the
> screws that hold it in place) Might have to drop fan out bottom.(easy)
> If there's RUST inside there, you've probably had problems with damp
> carpet during rainstorms, right?
>
> 'Curly'
Actually the car has been well taken care of without any water damage. 26 K
miles We're the original owner. Where is the fuse for the fan? The reason is
I have checked all the colored looking fuses, but maybe the fuse is one of
the non colored things. Or there is this black plastic box, to the left of
the main fuse box on the firewall in the engine compartment. I didn't know
if these were fuses or not. The fan only blows on the over-ride high setting
but the A/C compressor doesn't engage or heater either, even in the override
high mode with the fan blowing. It does not blow cold air.
Thanks again for all your advice and any help you can give us.
Karen
"'Curly Q. Links'" <motsco__@interbaun.com> wrote in message
news:434D555B.495F0E83@interbaun.com...
> IC2020 wrote:
>>
>> Hi, I have a 2002 V6 Honda Accord Coupe. My A/C and heater fan just quit
>> yesterday. The fan only comes on if I turn the fan **** to Maximum, and
>> even
>> then the A/C or heater doesn't work. I have checked all the fuses on the
>> driver's side, passenger side and engine compartment fuse boxes. Any help
>> would be greatly appreciated. Thank you so much. Karen L.
>
>
> ---------------------------
>
> There is no resistor pack in that model, but rather a rectifier-driven
> thing,. Thank goodness Honda also put in the 'full speed switch' for
> such an event. The speed dial might be dead, or the terminal corroded.
> The part that varies the speed is just inside the heater, beside the fan
> and can be seen looking in over the glove box. (or at least you see the
> screws that hold it in place) Might have to drop fan out bottom.(easy)
> If there's RUST inside there, you've probably had problems with damp
> carpet during rainstorms, right?
>
> 'Curly'
#9
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Posts: n/a
Re: Fan for A/C and Heater just quit - need help
Burt Squareman wrote:
> "'Curly Q. Links'" <motsco__@interbaun.com> wrote in message
> news:434D555B.495F0E83@interbaun.com...
>
>> There is no resistor pack in that model, but rather a
>> rectifier-driven
>> thing.
>
> Probably an H-bridge power MOSFET. And probably has a thermal
> protection.
What the heck would you need an H-bridge for? To reverse airflow and pump it
out of the passenger compartment?
One of the resistors on my resistor pack (88 Civic) died and I replaced it
with a MOSFET (no H-bridge, just a single one) and a little controller that
outputs 0..100% PWM, for smooth fan control. Yeah, a bit overkill, but it
was fun project
> "'Curly Q. Links'" <motsco__@interbaun.com> wrote in message
> news:434D555B.495F0E83@interbaun.com...
>
>> There is no resistor pack in that model, but rather a
>> rectifier-driven
>> thing.
>
> Probably an H-bridge power MOSFET. And probably has a thermal
> protection.
What the heck would you need an H-bridge for? To reverse airflow and pump it
out of the passenger compartment?
One of the resistors on my resistor pack (88 Civic) died and I replaced it
with a MOSFET (no H-bridge, just a single one) and a little controller that
outputs 0..100% PWM, for smooth fan control. Yeah, a bit overkill, but it
was fun project
#10
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Posts: n/a
Re: Fan for A/C and Heater just quit - need help
"tomb" <me@privacy.net> wrote in message news:E9o3f.2287$7h7.932@newssvr21.news.prodigy.com ...
> Burt Squareman wrote:
> > "'Curly Q. Links'" <motsco__@interbaun.com> wrote in message
> > news:434D555B.495F0E83@interbaun.com...
> What the heck would you need an H-bridge for? To reverse airflow and pump it
> out of the passenger compartment?
LoL. Shouldn't we assume that they make cars for smokers. :-)
> One of the resistors on my resistor pack (88 Civic) died and I replaced it
> with a MOSFET (no H-bridge, just a single one) and a little controller that
> outputs 0..100% PWM, for smooth fan control. Yeah, a bit overkill, but it
> was fun project
Did you go with an N or P-Channel MOSFET? Let me guess, N-Channel.
> Burt Squareman wrote:
> > "'Curly Q. Links'" <motsco__@interbaun.com> wrote in message
> > news:434D555B.495F0E83@interbaun.com...
> What the heck would you need an H-bridge for? To reverse airflow and pump it
> out of the passenger compartment?
LoL. Shouldn't we assume that they make cars for smokers. :-)
> One of the resistors on my resistor pack (88 Civic) died and I replaced it
> with a MOSFET (no H-bridge, just a single one) and a little controller that
> outputs 0..100% PWM, for smooth fan control. Yeah, a bit overkill, but it
> was fun project
Did you go with an N or P-Channel MOSFET? Let me guess, N-Channel.
#11
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Posts: n/a
Re: Fan for A/C and Heater just quit - need help
Burt Squareman wrote:
> LoL. Shouldn't we assume that they make cars for smokers.
Good point
>> One of the resistors on my resistor pack (88 Civic) died and I
>> replaced it with a MOSFET (no H-bridge, just a single one)
>> and a little controller that outputs 0..100% PWM, for smooth
>> fan control. Yeah, a bit overkill, but it was fun project
>
> Did you go with an N or P-Channel MOSFET? Let me guess, N-Channel.
Yeah, N-channel in a low side configuration. I actually fitted the
MOSFET and its heatsink onto the piece that usually the resistors are
mounted on to. It was a bit trickier than I thought; try switching a 10A
inductive load without really being able to tap into the circuit. (I
wanted to make it a drop-in for the resistor pack; didn't want to mess
with re-wiring the entire blower, partially because it would have been a
bit of a pain, and partially because I didn't know ahead of time whether
it would actually work
I usually don't design power electronics (not anywhere near) but it was
a fun thing to do. Went through several revisions and only blew one
single FET. Mightily proud of myself, I am
> LoL. Shouldn't we assume that they make cars for smokers.
Good point
>> One of the resistors on my resistor pack (88 Civic) died and I
>> replaced it with a MOSFET (no H-bridge, just a single one)
>> and a little controller that outputs 0..100% PWM, for smooth
>> fan control. Yeah, a bit overkill, but it was fun project
>
> Did you go with an N or P-Channel MOSFET? Let me guess, N-Channel.
Yeah, N-channel in a low side configuration. I actually fitted the
MOSFET and its heatsink onto the piece that usually the resistors are
mounted on to. It was a bit trickier than I thought; try switching a 10A
inductive load without really being able to tap into the circuit. (I
wanted to make it a drop-in for the resistor pack; didn't want to mess
with re-wiring the entire blower, partially because it would have been a
bit of a pain, and partially because I didn't know ahead of time whether
it would actually work
I usually don't design power electronics (not anywhere near) but it was
a fun thing to do. Went through several revisions and only blew one
single FET. Mightily proud of myself, I am
#12
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Posts: n/a
Re: Fan for A/C and Heater just quit - need help
tomb <me@privacy.net> wrote in message
news:xGI3f.2272$BZ5.771@newssvr13.news.prodigy.com ...
> Burt Squareman wrote:
>
> > LoL. Shouldn't we assume that they make cars for smokers.
>
> Good point
>
> >> One of the resistors on my resistor pack (88 Civic) died and I
> >> replaced it with a MOSFET (no H-bridge, just a single one)
> >> and a little controller that outputs 0..100% PWM, for smooth
> >> fan control. Yeah, a bit overkill, but it was fun project
> >
> > Did you go with an N or P-Channel MOSFET? Let me guess, N-Channel.
>
> Yeah, N-channel in a low side configuration. I actually fitted the
> MOSFET and its heatsink onto the piece that usually the resistors are
> mounted on to. It was a bit trickier than I thought; try switching a 10A
> inductive load without really being able to tap into the circuit. (I
> wanted to make it a drop-in for the resistor pack; didn't want to mess
> with re-wiring the entire blower, partially because it would have been a
> bit of a pain, and partially because I didn't know ahead of time whether
> it would actually work
>
> I usually don't design power electronics (not anywhere near) but it was
> a fun thing to do. Went through several revisions and only blew one
> single FET. Mightily proud of myself, I am
>
Deservedly, too!
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