Happijac trouble shooting

billyray50 wrote:

My Adventurer 910 DB happi jacs were intermittent too and I replaced the 2 AA batteries in remote. That was what was causing the intermittence. Been fortunate with the jacks so far. I perform regular maitanance on them twice a year.

That is interesting. I have noticed when raising the camper on the jacks that it stalls quite frequently. I have replaced batteries and the stalling seemed to diminish. What is confusing about this is that there should be no difference in stalling whether raising or lowering the camper. However the stalling does not occur when lowering the camper. That has led me to believe that the issue is with my camper batteries but again as far as I can tell the camper batteries are fully charged and as I said the issue appears only when raising the camper.

I did notice somewhere in the instructions for the remote that it was stated that if the voltage was not sufficient that the led would turn red I believe. In my case there has never been a change in the LED indication.

I had my RV guy working on the issue yesterday and the jack suddenly started to work. He couldn't find any short in the wiring. When he started to raise the camper things went fine for a bit, but then the stalling started. I've ordered a new head, as this was the second time the offending jack had failed to engage. The first time was resolved in the same manner, it just started to work again. At the time it was believe that was probably because of a short in the wiring. I doubt that is the cause now. Once the new Jack is installed, I told my RV guide we could go ahead and open the motor casing to see what shape the motor is in. There was a small amount of rust around the two screws that home the motor casing to the gear case with the heads.

Jim