Inverter Question

CINPHIL wrote:
Hi y'all. I noticed that my inverter, even with the coach and chassis battery switches off, stays powered. I can tell because of the hum that the inverter makes and when I go into the coach and turn the inverter off, the hum stops. I have a 2008 Monaco 40PDQ. Is this normal? Perhaps it is wired that way so I can hook to shore power with the chassis and coach disconnect switches off and still charge the batteries via the inverter. Thoughts?

AS long as your shore power control system sends 120 power to the Inverter when Chassis and Coach are turned OFF, you can keep the coach batteries charged by plugging in. You can easily verify this by disconnecting both battery banks and connect Shore Power and see what the Inverter wall display tells you. Your comment is a basic mistake LOTS of RV'ers make when it comes to Inverters. They FORGET they are ON and when they go to storage without 120 shore available, the Inverter is ON and within 2 or 3 days the coach batteries will be dead. I see this all the time when customers bring their RV in for service. The basic rule of Inverters is, if you are NOT Inverting, LEAVE IT OFF. This way you do not have to worry about it being ON in storage. The Inverter will still transfer 120 from shore and charge the coach batteries even when OFF. Doug