"jim" wrote in message
...
John H. wrote:
On Tue, 16 Sep 2008 09:32:21 -0400, "Eisboch" wrote:

"jamesgangnc" wrote in message
m...
Temp does have something to do with it. At higher outside temps ac
runs higher pressures. Takes more current to start the compressor. AC
copmpressors have to start under a load so they need a lot of current
initially. First make sure you have the correct circuit breaker. Then
replace if it's old it cause when they get old they blow at lower than
rated. Voltage brownout will do it as well. Check and tighten all the
connections. None of that works call the service guy cause you're
probably not qualified to go any deeper.


Exactly. The problem with these rigs when used in travel trailers is
the poor insulation of the trailer itself. On hot days the temperature
can rise back up over the thermostat setpoint before the head pressure
bleeds off.

But, I am willing to be his problem was low RV park voltage.

Eisboch

I'm hoping you're correct!

But, I'll probably never know for sure. Maybe the dealer will find a
bad capacitor or something. But I'm going to change the circuit
breaker first.

Easter egg hunting is not a good troubleshooting method, and it could get
costly.

You need a good multimeter that is capable of reading at least 30 amps AC
and AC volts. Keep in mind amps are read in series. Meaning you have to
break open a circuit or use a clamp on pickup or if the Air Conditioner
unit plugs into an outlet, instead of being hardwired, you can use an
adapter with the clamp on pickup or a killowatt type of device to take
readings.




Heh .... I drafted a post for John, describing the old Navy "Easter Egging"
technique of troubleshooting,
and recommended he do a more logical series of tests, but then I realized
that people need to do what they need to do, so I deleted the post.

I doubt very much his circuit breaker is bad. Could be wrong, but there are
other things I'd check first.

But, I have a feeling he's going to claim the problem as being fixed after
he replaces it. For a while. Then, sometime in the future when conditions
are similar to that he wrote about, the problem will return.

Eisboch