my dw5 water heater has given up on me i fired it up at the beggining of the winter it ran for one hour and shut down, i tried it again and again. J. Eberspächer. GmbH & Co. KG. Eberspächerstr. D Esslingen. Telefon (zentral). (07 11) 9 39 – Telefax. (07 11) 9 39 – 05 00 www. eberspaecher. Eberspacher Hydronic trouble shooting guide this page details the basic troubleshooting steps to take of your eberspacher hydronic heater unit stops work .

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After that, the heater oil pump will not operate until the over-heat switch is depressed again. Do you mean the two O rings that connect ebeespacher spigots from the pump assy into the heat exchanger? Off to building society to organise mortgage, then to Eberspacher dealer: A strip-down, may well eberspachwr in order to check all is clean in any case.

The battery voltage is Are you still over 10 volts on the supply to the unit at this current?

Eberspacher D5W Manuals, Error Codes & Guides

We have placed cookies on your device to help make this website better. In any case, these units are essentially very simple – if you have heat, fuel and air they will work.

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My heat exchanger has multiple pinholes, and corrosion. Is the relay ‘making’ to connect the glowpug? Mine failed fairly quickly and ended up flooding the Eberspacher and exhaust line with diesel and coolant. We were established inoriginally to introduce diesel fuelled independent heating systems into the UK and Eire for car, commercial vehicle and marine markets and to create a nationwide network of dealers, to provide a quick and efficient service to our growing customer base.


It shows the current interior temperature of your boat before prompting you to select the required temperature. If it doesn’t tick, then you have found the fault well, one fault at least! Bookmarks Bookmarks Digg del. The later manuals are also available from the same source as mentioned by PVB. Learn more about our wide ranging products. Posted May 20, edited. I’d check to see whether the above current is being drawn first. If it does, then reconnect to the heater and try again.

We have an Eberspacher Hydronic DW5S, and it’s about 6 years old, and regularly serviced by myself – never had a problem with it that a good clean out didn’t cure.

Thanks all for your responses. I’ve eliminated water in the fuel by feeding eberwpacher directly from a 5ltr can of white diesel, straight from the pump Tesco ouch. It’s just the clouds of steam that’s the problem. Share this post Link to post Share on other sites.

Important Information Eberpacher have placed cookies on your device to help make this website better. There’s a useful Troubleshooting Manual here – it tells you how to connect a test light, and shows the fault reasons for various combinations of light flashes.

Sign in with Facebook. You can adjust your cookie settingsotherwise we’ll assume you’re okay to continue. So I stripped the unit, cleaned it up, replaced gaskets, and dberspacher that there’s no water in the exhaust.

A simple upgrade from the App store, or Google Play store to a digital watch Apple or Android triggers the web enabled process wherever you are. Eberspacherr is an O ring seal around the heat exchanger. Comfortable warmth for cars, commercial vehicles, non-road and marine applications. Join Date Jan Posts 1. Did you strip it down this far, or just to the two gaskets either side of the combustion chamber?


There are, however, lots of safety controls that can “get in the way” to shut them down in case things go wrong! Solutions including; motor, marine and military applications.

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Be aware that if you do have the D5WS, then you need two special tools to remove the wires from the internal multi-plug connector otherwise you cant remove the glow pin or flame sensor and therefore cannot dismantle the unit.

We had excellent attendance with exciting opportunities over the three days of the exhibition. Results 1 to 5 of 5. Find Boats For Sale Length: The heat exchanger pulls out from the main body – once out check the seal and cracks in the casing. I have also replaced the “Smiley face” gasket, and the simple circular one between the burner assy and heat exchanger – the ones you mention in your post. Thread Tools Show Printable Version.

You need to be a member in order to leave a comment. By lunallenaMay 20, in General Boating. Normally the gauze round the glow pin – certainly on the later model that I have D5WS. Might help you to identify the problem.

Clouds of white smoke obliterated the marina.

Normally the glow plug uses amps for a while before the pump kicks in. Posted May 22, edited. This never stops, no matter how long the unit is run, and I have run it for 12 hours continuously. If so, yes, I replaced them. The only thing I’m left with is the possibility of a cracked combustion chamber – unless anyone has a better idea or experience of the same problem.

The unit starts reliably, and heats water as normal.