elektroblock ebl 99 rectifier

[chrissy and kai]

Hello could you please help I had a freezer 240v trip my 230v power and when I tried to reset the 240 came one after numerous resets then for some reason I pressed the black button on the front of the rectifier and since then I’ve got no 12v supply whatsoever to the living quarters from the leisure batteries and looks like no power coming from the rectifier and no 12v supply to the switch above the door for my living quarters can anyone help please

 

[Figaro]

Can't help with your problrm, but Aplujack are often recommended for EBL repairs

Apuljack Electronics

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[chrissy and kai]

Thank you for your help cheers, I was considering opening the unit and checking the internal glass fuse but will take your advise

 

[f6c]

Welcome aboard

 

[mitzimad]

have you pressed the blackbutton again?

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[paddymcc]

The on / off switch has a reputation for not working well. Might be worth turning it on and off a few times, possibly even try contact cleaner but I would disconnect it from both leisure and starter battery before trying that.

 

[chrissy and kai]

have you pressed the blackbutton again?

Yes ive tried that a few times, it looks as if no power whatsoever is leaving the rectifier because there’s no power to anything, no lights or not even the 12v bulb on the 3 way fridge isn’t working so I’m surmising everything goes through the rectifier and the problem is within that because the leisure batteries are fully charged but when I do a battery test using the control panel above the door it has no power to it at all but I’ve tested leisure batteries and there fine

 

[GeoffnDee]

If you do manage to get the battery cut off switch working , with the paddymcc suggestions , you may find that the heating frost protection valve has operated when you turned the battery switch off , the water may have drained and the valve will need resetting.
It could also be worth checking if there is a fuse near the leisure battery positive terminal that has blown.
www.aandncaravanservices.co.uk also repair EBL units if needed.

 

[autorouter]

To save you barking up the wrong tree, it might help to know that the 12V supply that is controlled by the EBL is entirely independent of the mains powered charger built into the EBL. So if for example that glass fuse has blown, it will only have the same effect as disconnecting the mains hookup cable. All the 12V circuits should work whether the charger is on or off. So your problem will not be with the mains charger.

When you say the black button, I presume you mean the black switch labelled Batterie Trennschalter (Battery Connection Switch). This will disconnect the power connections to all the 12V circuits. The mains hookup connection and charger will have no effect on this. As paddymcc says this has a bad reputation for reliability, best to never switch it off - but it's a bit late to tell you that. Try switching it a few more times.

That switch turns on two relays. One controls the 'permanent live' things like the step and frost protection valve. The other controls everything else, and is the one that is switched on and off by the display panel switch too.

Try the electric step to see if that works. If it doesn't you've lost all power, if it does then the problem is not that Battery Connection switch.

Did everything work before you had the freezer problem? Did it all work OK with the hookup cable disconnected?

 

[Lenny HB]

Check the two fuses by the leisure battery there will be a 2 amp and a larger one probably 50 amp. The 2amp one supplies the standby power to the EBL if that is blown it won't turn on, the large one is the main power feed if that one is blown you won't get any 12v power.

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[chrissy and kai]

To save you barking up the wrong tree, it might help to know that the 12V supply that is controlled by the EBL is entirely independent of the mains powered charger built into the EBL. So if for example that glass fuse has blown, it will only have the same effect as disconnecting the mains hookup cable. All the 12V circuits should work whether the charger is on or off. So your problem will not be with the mains charger.

When you say the black button, I presume you mean the black switch labelled Batterie Trennschalter (Battery Connection Switch). This will disconnect the power connections to all the 12V circuits. The mains hookup connection and charger will have no effect on this. As paddymcc says this has a bad reputation for reliability, best to never switch it off - but it's a bit late to tell you that. Try switching it a few more times.

That switch turns on two relays. One controls the 'permanent live' things like the step and frost protection valve. The other controls everything else, and is the one that is switched on and off by the display panel switch too.

Try the electric step to see if that works. If it doesn't you've lost all power, if it does then the problem is not that Battery Connection switch.

Did everything work before you had the freezer problem? Did it all work OK with the hookup cable disconnected?

Yes everything worked fine, it was when I re tripped the 240 trip switch then I decided to switch the black two way switch on the back of the blue box and it did make a switch over tick (like it’s done before) but when I’ve powered up the 240 I’ve noticed I’ve got no 12volt to anything at all also when I tried to press the black switch to see if that was the problem (that’s when I realised no tick from the relay) I’m not sure if I should change the FRC3A 70Amp relay to see if I’ve fried that.

 

[chrissy and kai]

Yes everything worked fine, it was when I re tripped the 240 trip switch then I decided to switch the black two way switch on the back of the blue box and it did make a switch over tick (like it’s done before) but when I’ve powered up the 240 I’ve noticed I’ve got no 12volt to anything at all also when I tried to press the black switch to see if that was the problem (that’s when I realised no tick from the relay) I’m not sure if I should change the FRC3A 70Amp relay to see if I’ve fried that. Also I’ve checked the glass fuse and like you said it was fine.

 

[autorouter]

Do you have the manual for the EBL99? It is available from the Schaudt website. Unfortunately the site is only in German, but there are manuals in many languages including English. You select the manual you require, give them your email and they send you a download link, usually very quickly.

I'd post it in resources section, but for some reason I can't upload a pdf file. So it's here

I'm not sure which relay is the FRC3A 70A one, but I think it will be the one labelled 'Battery Cutoff Relay' in the wiring diagram. That is unrelated to your problem, it is the split charge relay that connects the leisure battery to the starter battery/alternator when the engine is running, so that the leisure battery can be charged.

The battery connection switch connects a thin wire from the leisure battery, which has a 2A fuse near the leisure battery end. Labelled '+ sensor, living area batt' in the diagram. When the control module receives that signal, it flips the two latching power relays, labelled 'HS Relay 60A' in the diagram. (HS = HochStrom = High Current).

To test if the first (Permanent supply) relay is on, try the electric step and/or the heater.

And before you do anything, can you definitely confirm the voltage at the terminals of the leisure battery, just to make sure it hasn't been discharged, possibly by a fault somewhere. And I'm assuming you've done what Lenny HB says and checked the 2A and 50A fuses near the leisure battery.

 

[The Old Man]

Can't help with your problrm, but Aplujack are often recommended for EBL repairs

Apuljack Electronics

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