On site and no heating/hot water - no lights on panel? (2 Viewers)

[camel]

Hi, just set up on pitch, followed usual procedure but the heating/hot water switches (truma combi) will not illuminate. There are no fuses in the main Sargent E450 unit allocated to the heating according to the booklet. I've checked the fuses for Auxillary Supplies, electronics and ignitions but all are ok. Other fuses have an allocated name to them. Is there another fuse somewhere? Any help appreciated, could be a cold night lol. Bessacarr E560, 2011

Thanks

 

[wingman]

Are you on mains hook-up?

 

[Cavs]

There are fuses on the boiler itself, including a mains fuse, under the plastic cover.

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[Cavs]

And, IIRC, there's one down the side of the boiler 'tank'. If the boiler is only viewable from the top, you'll need a mirror to see it.

 

[RandallC]

Stupid question have you turned the power on via the remote panel. One with lights pump etc on. Sorry I've done exactly this having plugged in checked the fridge is on and then tried to turn on the hot water, penny dropped after a couple mins having made sure the power was on etc.

 

[camel]

Hi, Wingman we are on electric hook up.
Serendipitous- panel power is on
Cavs - will check for these further fuses

Thank you

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[DanielFord]

This might also be a silly question, are you sure you have 'juice' coming in from the hookup? Had one recently that you had to twist the plug to switch on the supply.

 

[Cavs]

Camel,
These might be of some use - downloads of manuals here. Link Removed

 

[PeteH]

I have instruction for Combi 6 Loaded which shows a 10amp (slow Blow) glass fuse under a cover on the casing?

Pete

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[Tom A]

Is this the same problem you had at Lincoln @michpiggy ?

 

[RandallC]

If poking about under the covers ( no pun intended) don't forget to switch off the mains!

 

[michpiggy]

Yes Tom that sounds the same thing
For some reason and we still don't know why our heating will only turn on once the light master switch has been turned on
Even if we dont need the lights on the main light switch has to be on for our heater and hot water to work

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[RandallC]

Regardless of mains hook up or not the system should run on 12Vdc for off grid operation. So should be looking for 12V supply for the heater controls & fan/blower.

 

[Tom A]

Is your light master switch turned on ?
Andy and Michelle had same thing at Lincoln and that's all it was.

 

[Mother Ship]

This happened to us - sounds like same fault we had. We could make it work by unplugging control cable from the control knobs, leaving it a few minutes by which time a click should be heard from the boiler, at that point reconnect the cable. Hope this helps. Our permanent fix was a replacement circuit board on boiler.

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[Mr Colpot]

Does yours have the marvelleous timer control which has to be overidden manually (bottom left switch on our panel) to allow heating/water to work. (I am assuming that no lights on panel doesnt mean the panel is turned off)

 

[Mother Ship]

Does yours have the marvelleous timer control which has to be overidden manually (bottom left switch on our panel) to allow heating/water to work. (I am assuming that no lights on panel doesnt mean the panel is turned off)

No it did not have any timer control, just the 2 knobs to control settings, when had problem no lights showed up on any setting/position of dials. We had to take fascia around panel off and disconnect cable from back, wait a few mins and reconnect to get it to work. When we got to somewhere to replace circuit board we took the opportunity to upgrade the circuit board to have the digital controller enabling us to have timed heater coming on by itself. So pleased with it now, so easy to set whatever choice of setting, more user friendly and luxury of waking up on frosty mornings to timed heating!

 

[peter marshall]

Hi, just set up on pitch, followed usual procedure but the heating/hot water switches (truma combi) will not illuminate. There are no fuses in the main Sargent E450 unit allocated to the heating according to the booklet. I've checked the fuses for Auxillary Supplies, electronics and ignitions but all are ok. Other fuses have an allocated name to them. Is there another fuse somewhere? Any help appreciated, could be a cold night lol. Bessacarr E560, 2011

Thanks

Like Cavs said the fuse under the top cover, mine just needed taking out and putting back in it then worked ok there after. Pete

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[camel]

Hi, just an update. Managed to get our MH into the garage today and all been checked. Conclusion is a faulty circuit board, luckily they got one today, £235 fitted . Hopefully that's solved the problem and it's off to Chatsworth for the Christmas market next weekend.
Thanks to everyone who offered some great advice as usual
Paul

 

[tonka]

Autotrails usually have seperate fused/switched boxes in the van away from the Sargent unit.. Mine has one in the cupboard below the TV in rear lounge.. You may have one hidden somewhere, common to get knocked off or fuse could go in that spur.
Worth noting for others maybe.