The symptoms suggest the water is not being circulated (pump failure) or there is an air lock maybe. Either way the heat from the boiler is not reaching the water that circulates it to the radiators.
Hi all, I have a eberspacher hydronic dw5 which i have just inherited with my new boat, when i bought the boat a few weeks ago.
The cental heating was a work on progress, new rads and all new pipework, the eberspacher had previously just fed the calorifier and 2 rads, but has had a total refit, so is now fitted with four rads i have just piped in.
I have bled the system and pressured out any remaining air using a hose on one of the drain cocks.
The battery voltage is good and the fuel supply is good.
I have a timer fitted with diagnostics and checked the fault log, it is showing no fault present, AF 000 . the previous recorded faults are all F 014 suggesting it previously had a pressure differential or temp sensor fault, but the previous owner had obviously found the cause and rectified it.
What happens when i switch it on to boost is it will run for up to a minute then cut out.
The first time i ran it , it ran for a couple of minutes and although the heater body was red hot to touch the pipes were cold.
Any ideas on what i can try would be greatly appreciated as i am sure nothing has failed as it starts every time without fail, just wont keep running ... and just to help, i discovered the stove has no sealing rope around the door, so at the moment its colder on the boat than outside!
by'eckMember Since 04 Apr 2011
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Boat electrics & electronics