AC not working (by Tom [MI]) Jul 8, 2019 9:47 AM|
AC not working (by myob [GA]) Jul 8, 2019 10:00 AM
AC not working (by AllyM [NJ]) Jul 8, 2019 2:56 PM
AC not working (by 6x6 [TN]) Jul 8, 2019 5:27 PM
AC not working (by Live The Dream [AZ]) Jul 8, 2019 10:25 PM
AC not working (by Tom [MI]) Jul 9, 2019 7:47 AM
AC not working (by elliot [RI]) Jul 9, 2019 7:54 AM
AC not working (by myob [GA]) Jul 9, 2019 8:25 AM
AC not working (by Tom [MI]) Jul 9, 2019 9:05 AM
AC not working (by myob [GA]) Jul 9, 2019 4:07 PM
AC not working (by Hoosier [IN]) Jul 9, 2019 4:26 PM
AC not working (by myob [GA]) Jul 9, 2019 4:48 PM
AC not working (by 6x6 [TN]) Jul 9, 2019 5:59 PM
AC not working (by myob [GA]) Jul 10, 2019 5:17 PM
AC not working (by 6x6 [TN]) Jul 10, 2019 7:14 PM
AC not working (by Vee [OH]) Jul 11, 2019 10:13 AM
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AC not working (by Tom [MI]) Posted on: Jul 8, 2019 9:47 AM
One of my tenant called this morning and complained that AC is not working. She said that Outside fan is making humming noise but the fan is not spinning.
I am heading there in couple of hours, I don't know much about AC units. Do you guys have any suggestions for me to try before I call HVAC guys there?
AC not working (by myob [GA]) Posted on: Jul 8, 2019 10:00 AM
yes. have tenant turn it off until you get there so no damage to electrical.
That hum is probable the contactor -- 24volt-- being pulled down. Turn unit on in house and then on at the disconnect outside-- use the disconnect to control. get a stick and with unit set to on see if --- you can get fan motor to turn using stick. If it turns the capacitor is bad.
If it won't run-- unless you know electrical DON'T DO ANY MORE. THIS IS 220vOLT AND WILL KILL.
Always pull the disconnect before opening anything up-- don't touch anything if you know nothing about voltage and power. --99.103.xxx.xxx
AC not working (by AllyM [NJ]) Posted on: Jul 8, 2019 2:56 PM
Yeah, pick up some window units and take them with you and install them for your tenant until the repair guy gets there. --173.61.xxx.xx
AC not working (by 6x6 [TN]) Posted on: Jul 8, 2019 5:27 PM
It sounds like start capacitor like myob said. --73.120.xx.xxx
AC not working (by Live The Dream [AZ]) Posted on: Jul 8, 2019 10:25 PM
So what's the verdict? I guess capacitor too. --47.216.xx.xxx
AC not working (by Tom [MI]) Posted on: Jul 9, 2019 7:47 AM
Capacitor was OK. The fan was jammed. apparently tenant didn't run the AC whole summer. Technician came out, checked the capacitor and it was ok. wiggled the fan and said fan was jammed. He didn't even changed bearings or lubricated the fan. Charged $106. --50.236.xxx.xxx
AC not working (by elliot [RI]) Posted on: Jul 9, 2019 7:54 AM
You could have saved $106 if you followed Myob to use a stick :)
Its like the fridge fan.. sometimes jammed by dead mice or something.. I learned to check that before calling the repair guy. --71.232.xxx.xxx
AC not working (by myob [GA]) Posted on: Jul 9, 2019 8:25 AM
You asked a question that I answered for you. Had u used the stick to try to spin fan-- you could have saved 106.00. Heck if your tenant had half a brain you could have asked tenant to do it for you.
You ask question but didn't even look so why bother asking? Tom MI I'll be sure to answer your next HELP question.
Elliot thank you. --99.103.xxx.xxx
AC not working (by Tom [MI]) Posted on: Jul 9, 2019 9:05 AM
I apologize myob. I appreciate everyone's advice very seriously. And I apprecialte you all taking time to share your knowledge with newbie like me.
I did take a paint mixer stick and try to spin the fan. Fan won't budge, and I did not feel comfortable taking the top of the cage, so I called the repair guy.
Thank you for all your help, and I don't want to feel like I have ignored your valuable advice. I'm just not very handy but I am trying to learn.
Thank you. --50.236.xxx.xxx
AC not working (by myob [GA]) Posted on: Jul 9, 2019 4:07 PM
I was only going by what you said the technician did? Wiggle the fan? No oil? No bearings? (not that you could change bearings). Something is fishy!!!!!!
AC not working (by Hoosier [IN]) Posted on: Jul 9, 2019 4:26 PM
Something does not seem right to me. If they fan was jammed because "they didn't run the AC all summer", then every AC unit would be jammed because we don't use them all winter EVERY YEAR!
I'm betting this will happen again, and the long-term fix is more than just wobbling the fan blades. I'd start planning for a more robust fix...not sure if the fans have sealed bearings but perhaps a bearing change, or oiling if not sealed, etc. --99.92.xxx.xxx
AC not working (by myob [GA]) Posted on: Jul 9, 2019 4:48 PM
Very good Hoosier-- your hired. Tom tried turning with a stir stick-- which is pretty strong and no movement-- but AC guy moved it and didn't do anything else? There are, on some of these motors oil galleys that run from the outer edge of the motor frame to the center bearings. Keep n mind there's a front and read bearing so should be 2. Usually a yellow plug or wedge-- pull it and put a few drops of 3in1 oil-- not wd40-- wd is not a lub but a rust inhibitor.
As Indy observed any motor froze up as Tom described is going to the trash heap-- want to bet it won't be in winter but on the hottest day of the year.
Most outside units use a FASCO motor 205 to 370V speed is 1050 to 1100 RPM. Cost about 85.00 from wearhouse. 400.00 from AC guy. It would be prudent to have one. We have a case of them. (can be used for furnace blower motor also since its 2 speed motor. --99.103.xxx.xxx
AC not working (by 6x6 [TN]) Posted on: Jul 9, 2019 5:59 PM
Thank you myob for that information. --73.120.xx.xxx
AC not working (by myob [GA]) Posted on: Jul 10, 2019 5:17 PM
six by six the AC guys have us snowed and afraid of hvac systems. They are not complicated-- in fact an ac unit is one of the simplest systems with 3 moving parts--- only 2 of the 3 can be worded on-- condenser fan and voltage contactor. The compressor motor is sealed.
I suggest everyone use a youtube video and check it out. 6x6 oh and freon-- if you don't have those gages-- the ones that make you look like a rocket scientist or more MAD hatter type-- you don't need no stickin gages. Slowly put in freon into the larger line-- AKA suction side when you see the line with moisture on about 8 inches of it-- your done. It's good enough.
I didn't go to college-- the HS refused to send my transcript out -- said I wasn't college material. Had a scholarship to play football -- man what a bummer. Maybe I could have done better? with more college? --99.103.xxx.xxx
AC not working (by 6x6 [TN]) Posted on: Jul 10, 2019 7:14 PM
Thank you again myob. I havn't been to college either. I learn a lot from you. I think you do great without it. I learn things a lot buy trial and error, have my whole life. I have a hard time remembering things so I actually do better with hands on. I don't know if I could have made it through college if I did get to go because book learning I have issues with. Thank you for all of your experience and wisdom you share with us. --73.120.xx.xxx
AC not working (by Vee [OH]) Posted on: Jul 11, 2019 10:13 AM
I think like myob much of the time but with heat pumps the system -does run year round-so the fan drive motor is gonna poop out soon, get the specs and order one to have ready to go when this one croaks, having a new cap onsite in a ziplock sandwich bag is always a money/time saver also. --76.188.xxx.xx
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