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hello everybody and a happy new year to you all went to m/h to get ready for visit to spain for winter. however on leaving put fold up steps against switch for steps, now steps wont work, can it be a contact that is stuck or trip switch? or can the motor burn itself out. everything else is working and the batts are ok, does anybody know where the fuse is for the steps. i hope its not too difficult as im going on the 7th jan thanks in advance for any replies jefffromtarn
This happened to us and it was solved rapidly using advice from MHF members - that was my original reason for posting and the response was excellent. I became a subscriber within a few days of that help....
I was advised to check the two fuses on top of gthe engine, near the air filter (i.e. well away from all others), there are two fuses and two relays located there in our vehicle - these control the step and it's autoretraction or not and the 12v supply to the fridge - which of course you can only check after lengthy driving unless you have the necessary gizmology.......
Changing that fuse solved the problem for us, hopefully yours will be similarly simple. It is possible for the contacts to get covered in mud so it is worth checking under the step too.
A definitive answer can only be given by someone with in depth knowledge of your conversion, a few words to hopefully help you.
Generally most converters nowadays will wire the step to auto retract when the engine starts, however that was rarely the case on older conversions, where used this will be achieved either via a relay or by an output on the electrical controller, for either it's possible to fail but I would have thought unlikely.
As to where specific elements are located will also depend on the converter, most will put the various control parts in the easiest (for them at manufacture) position, unfortunately this is rarely the most accessible place for fault finding. As a rough guide it might be worth checking to see if there is power to the manual switch, hopefully the power circuit elements will be in the vicinity of the switch
It's relatively easy (although a bit mucky) to check if there is any physical reason for the problem i.e. rusty pivot etc. a bit unlikely as the tolerances allowed in step units are normally pretty sloppy, there is also a limit switch on the mechanism which is the most likely candidate for problems as they generally get a lot of road filth and are not particulary good quality.
Hope that helps.
______________________________________________________________ John
If you put 'Omnistep' in the forum search box you will find many threads on the subject and also a link ( in one of them ) to a wiring diagram and explanation of how it works by Clive Mott.
That won't tell you the physical location of the parts though.
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Morocco
