Forum Discussion

RVLady_net's avatar
RVLady_net
Explorer
Aug 27, 2016

Coleman Mach thermostat ticking A/C won't come on

1998 Winnebago Brave SE Problem: AC compressor will not turn on. Coleman Mach thermostat ticks when in the a/c position. When first turned on, the compressor "thuds" like it wants to come on and then...
Class A
dougrainer's avatar
dougrainer
Nomad
Aug 27, 2016
IF the fan runs you have 120 power to the AC. IF NO START CAPACITOR, THAT IS YOUR PROBLEM. ALL AC UNITS HAVE A START CAPACITOR. Doug

Click the link for a detailed diag. Even tho it states mechanical controls only, the TOP UNIT is the same.

http://bryantrv.com/docs2/docs/rvp/rvp6789mech.pdf

About Motorhome Group

38,705 PostsLatest Activity: Jan 24, 2025