Dometic roof top shaking
Periodically having a problem with the roof a/c units shaking/rattling. It doesn't matter if they are in a/c mode or just the fan on. They don't do it all the time and if you turn the unit off for abo...
Forum Discussion
1. Your outside Condensor impellor may have some broken vanes
2. More likely----You have insect nests that are built onto those impellor cages and that imbalance causes the AC to vibrate. When you let it go and run, you must be breaking the nests loose when the vibration goes away. Take the top cover off and look at the Impellor. If you had mud nests the evidence will still be there. Doug
2. More likely----You have insect nests that are built onto those impellor cages and that imbalance causes the AC to vibrate. When you let it go and run, you must be breaking the nests loose when the vibration goes away. Take the top cover off and look at the Impellor. If you had mud nests the evidence will still be there. Doug
