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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
The top black is the start relay. The Capacitors are below it. You test a compressor with NO POWER and wires removed. For kicks, just replace BOTH capacitors. If that does not fix it the compressor is locked up. 20 year old unit----replace the upper unit. Doug

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