Forum Discussion

MATTROBY's avatar
MATTROBY
Explorer
Aug 01, 2016

Rooftop AC Cycles on and off and lights at same time

I have a 2004 Cougar by Keystone 31' travel trailer. Recently the rooftop AC has started cycling on and off, before the thermostat should tell it to. It will run for a few minutes, shut off for a few ...
westend's avatar
westend
Explorer
Aug 02, 2016
The lights dimming indicates a 12V issue. Your converter may have gone South. Check for voltage of at least 13 V+, if connected to shore power. Your A/C thermostat is also powered by the 12V system.

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