I have a carver on my 2004 Compass (moved it over from my 02 Bailey fitted in November 2003)and on both it has been hit and miss if it works, tried battery connections, changed hand set batteries. Some times it will work if I hold controller under floor or close to battery box with door open (therefore can not see what the van is doing, one day will catch a wall). It is as though signal not getting through, but control unit is clear of obstructions etc and next time it will work all around the caravan. Thought it might be a battery issue but have tried when connected through mains on fully charged battery but still needed to be held underneath to get the sound of clicks (signal getting through) and rollers turning. Seeing so many complaints wish I had gone elsewhere. Zero confidence on whether I will get benefit of it so had may as well not have had it fitted, spoils use as it is always back of my mind and I have some tight spots at home and at storge point (look a right pratt on sites too).
If anyone had similar and fixed would appreciate information (good contact name at manufacturer would be good too)