qclabrat
Well-Known Member
Not personal experience but some techs about 10 years ago told me they were top tier, but cheaper cause they don't advertise like Lennox and Carrier
A/C repair and replacement
- Thread starter Patrick
- Start date
Anybody know how difficult it is to replace the condenser fan motor? Quoted $1000 as the temporary fix before buying a whole new system. Parts from Grainger are $148.
shouldnt be that hard, a bunch of wires and some bolts . . . . as long as the wire colors match up with whats there it should just be like paint by number (turn off the breaker first)
will also depend on how the fan is mounted on yours, on ours it just sits on top of the condensor and is mounted to the grate on top.
will also depend on how the fan is mounted on yours, on ours it just sits on top of the condensor and is mounted to the grate on top.
GSTim
Formerly M3Tim
So my AC isn't working. Not the cap. Inside fan is not coming on so nothing is starting. thermostat seems to be working. I'm thinking it might be the heat relay? Seems to be consistent with the symptoms and the old owner had marked the juction box where it's mounted in the attic with Sharpie "Heat Relay", so must have been replaced before. The whole system is probably from the 70's or 80's, it's a Carrier in the attic.
Any advice or wild guesses welcome, going to try to test the relay tomorrow. Tonight I'll drink beer to cool down.
Any advice or wild guesses welcome, going to try to test the relay tomorrow. Tonight I'll drink beer to cool down.
Bend over and get ready to pay. Been an expensive week here, but I can chill on both floors again.
Mahnken
Well-Known Member
Is the outdoor unit coming on? Does the indoor fan come on at all? Like, will it come on if you put the thermostat to 'fan on'? Does it just not come on with the cooling mode? What kind of thermostat? What's the heat relay? Does it have electric heat?So my AC isn't working. Not the cap. Inside fan is not coming on so nothing is starting. thermostat seems to be working. I'm thinking it might be the heat relay? Seems to be consistent with the symptoms and the old owner had marked the juction box where it's mounted in the attic with Sharpie "Heat Relay", so must have been replaced before. The whole system is probably from the 70's or 80's, it's a Carrier in the attic.
Any advice or wild guesses welcome, going to try to test the relay tomorrow. Tonight I'll drink beer to cool down.
Fan not starting is less expensive then fan running and not coldSo my AC isn't working. Not the cap. Inside fan is not coming on so nothing is starting. thermostat seems to be working. I'm thinking it might be the heat relay? Seems to be consistent with the symptoms and the old owner had marked the juction box where it's mounted in the attic with Sharpie "Heat Relay", so must have been replaced before. The whole system is probably from the 70's or 80's, it's a Carrier in the attic.
Any advice or wild guesses welcome, going to try to test the relay tomorrow. Tonight I'll drink beer to cool down.
I can say with absolute certainty this statement is not always true.
GSTim
Formerly M3Tim
Outdoor unit not coming on. Fan not coming on with "Fan On". Older programmable thermostat, can hear it click when it goes past the set point. No electric heat, hot water baseboard furnace for the heat. This is cooling only.
Mahnken
Well-Known Member
You can try. But if you hear the relay click it's probably ok. Have a multimeter? Can check for 24 volts on the R and C wires at the thermostat. Can jump the R and Y at the thermostat to see if cooling comes on, if it does, the thermostat isn't working, if it doesn't then there's some other electrical thing going on. With neither the indoor fan or the outdoor unit coming on, I feel like it's probably a low voltage issue somewhere. I don't think the heating relay would have anything to do with it.
Edit: could also be high voltage at the indoor unit not working, which would mean there probably isn't any low voltage. Either way, sounds like either an electrical issue with the indoor unit, or a bad thermostat.
GSTim
Formerly M3Tim
Scratch that, inside fan does come on with Fan Only. Changed batteries and still nothing outside. I had already changed the cap outside
Who did you use that would actually work on an old unit without wanting to replace the whole thing?
Mahnken
Well-Known Member
No fan or compressor? Does the contractor engage?
Cool o matic had a guy named Dave. He left and I never got his last name. He diagnosed my system as stolen refrigerant. Not a leak.
Her isn't there anymore. Should try to find him.
GSTim
Formerly M3Tim
How do you know if the contactor is engaging? Sorry total hacker on HVAC.
Mahnken
Well-Known Member
Have a multimeter? Can check voltage. If not, have someone turn the cooling on while you're at the outdoor unit, you should be able to hear it engage. Also might be able to carefully push the contractor in with a screwdriver and see if everything comes on... Actually, don't do that, lol. Does the indoor fan come on when it's calling for cooling?