What happens if the mobile phone's battery dies while the motors are turning?
Energy to the motors is sustained by a rapid series of codes transmitted from the mobile phone to the remote control. When this tranmission stops for any reason, be it a dead battery, excessive range, or any other reason, the motors stop within a fraction of a second.
Motor runaway is a very rare event but when it does occur it is usually due to the relays supplying power to the motors having their contacts welded together by excessive current, and it is not possible for the remote control to either cause or prevent such an event. The only sure way to stop motor runaway when it occurs is to disconnect the motors from their power source. Our Circuit bBreaker Upgrade, where two circuit breakers replace the motor protection fuses, allows the motors to be disconnected quickly, the more so when the circuit breakers are positioned so as to be easily accessible. Our Current Guard option, by limiting maximum current can also help prevent the relay contacts from becoming welded together.
A really safety-concious caravan owner will install an EMERGENCY STOP latch-down switch, that interrupts the current path between battery and motor switchgear, in a prominent place, to be slammed down immediately should a runaway occur.
Why is there no iPhone support?
Apple sees no profit or advantage in an app which relies on external hardware for its operation. Since Apple maintains tight control over app developers and app distribution it is within their power to obstruct its release.
In South Africa seven out of every 8 mobile phones (87.5%) run on the Android platform (with a seemingly even higher proportion amongst caravan owners) so this poses virtually no problem. Over the years we have received only three requests of an iOS version of the app, and in most families there is at least one user of an Android device that can be pressed into service.
I'm not very technical - what if I don't manage to get it working?
The wide variety of mobile phones running the Android platform, and the many versions of Android that they run poses the biggest installation challenge as far our app is concerned. Hence we make the latest version of the app available on this website for download and installation so that you may verify that it installs and works for you on your your particular device. Naturally not all functions can be tested without a remote control to partner it with, but the fact that the app installs and can run establishes a certainty that the system will work. (Since we cannot readily test on every mobile and every version of Android we'd certainly like to hear about any difficulties that you encounter.)
Connecting the remote control unit to your ewks installation involves the connecttion of 8 wires. Our downloadable installation schematic details exactly where these connections are to be made, and no particulat technical skill is required to do so. No existing wires are cut which means that whatever worked before will continue to work.
We also supply free online support should this be needed. And if the worst comes to the very worst you can always send it back for a refund.
Why so expensive?
It's true that a simple tone-coded transmitter could do the job for less money, but then you wouldn't be using your mobile phone - which is what this is all about. The Remote Control has to be compatible with all conventions of Bluetooth which are highly complex and this requires considerable processing power. The benefit is a totally secure communications environment where, for instance, your neighbour could not take control of your caravan mover by pressing buttons on his cheap but similar remote control device. The price has recently been reduced since we've been importing as much content as possible directly from China, but there's a limit to what can be saved given our semi-dysfunctional postal delivery system and the consequent loss of many of the shipments.
There's always a cheaper way of doing something - but you get what you pay for.