On 8/23/2010 5:48 AM, ransley wrote:
On Aug 22, 10:01 pm, The Daring Dufasthe-daring-
wrote:
On 8/22/2010 9:06 PM, ransley wrote:

My 1986 Lennox AC compressor unit just stopped running, the fan isnt
running and no noise comes from the unit, I reset the breakers and the
thermostat is the old round analog Honywell, its calling for cooling.
Ive never worked on this but is there anything I can test with a V
meter before I call a pro. 3 weeks ago I lost all freon from a big
leak and had it fixed, all has been fine until today. I would think at
least the fan would run.

If there was a thunderstorm, a voltage spike could have blown the
run capacitor. If your air handler fan doesn't run, it's a power
problem there because the 24 volt control voltage comes from the
furnace/air handler. Without the 24 volts AC, the condensing unit
where the compressor is will not come on. If you can push in the
insulated contact carrier on the condenser contactor and the fan
and compressor run, you'll know it's not getting control voltage
from the furnace/air handler.

TDD

Wouldnt the fan run even with a bad capacitor

It may turn slowly while making an unhappy whirring sound or just
hum angrily. HVAC equipment can get emotional at times. 8-)

TDD