Call nest support. Main problems with them is a common wire is needed, even though they say its not needed.
SOURCE: bad smell from ac unit in my house
does it smell like literally , dirty socks?if so it is dirty sock syndrome, a plague of heat pumps for years. if it smells like an electrical melting or burning of wires then time to call a pro.it could be a weak capacitor or a weak fan motor. if it is dirty sock syndrome then its the microbes that thrive when temps are middle temps and reproduce when temps are hot and cold in intermittent days. hot one day and cold the next equals call for cool then call for heat and hot steam from heated coils cause s bacteria to grow and microbes to spread across coil. when you switch back it causes the smell.if the coil is clean you can spend a chunk of money on sanitizers but best bet is to run it cool for hot weather and hot for cool weather. the transitional periods are what create the smell. avoid semi cool and semi hot periods. this condition is common to acs from all brands . lots of stuff on the internet about dirty sock syndrome
SOURCE: AC will not power on
You should remove the cover of the air conditioner. Than look by the box that the plug-in cord goes to. See if there is a fuse that needs to be replaced. Should be a glass tube fuse. Inside the fuse is a thin wire that should reach all the way across both sides of the fuse.
If the fuse is good, than your power supply is shot.
SOURCE: canon clc 4000 error code e194-0101
0101
When the pressure main thermistor fails to reach 80 deg C within the prescribed period of time after reaching 50 deg C during warm-up
you need your fuser rebuilt by a technician
SOURCE: 1990 LeSabre Power loss with AC on. Within a Half
Remove battery cables and clean all three of the connections & replace bolts.
SOURCE: one unit runs a while, powers down, other unit blows transformer
Probably a control board that has gone bad and keeps blowing the transformers! While testing just add an inline 3 amp fused link to keep from blowing the transformer and just fuses until you find out if the board is not working properly! The transformer is what converts the line supply voltage to 24v to control all the low voltage devices such as contactor/relay and reversing valves and solenoids! The other unit is overheating and tripping the internal overload inside the compressor. You can cool it down quicker with a garden hose and cool water running over it. Try making sure that the outdoor coils are cleaned free of debris and I would actually use some coil cleaner to really get them clean. Also be aware of the outdoor fan is running up to speed or at all in some cases.Replace fan motor if not! Change the Capacitor also! The run capacitor could be the culpret all together! $10 or so and may solve the over heating issue alltogether! Goodluck and hope this info gets you pointed in the right direction!
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