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Andy Hall
 
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Default Central Heating problem - 2A fuse blowing in honeywell wiring box

On 22 Sep 2003 17:51:18 -0700,
(Charlie) wrote:

When I opened the inspection at the front of the pump I got quite a
bit of water coming out of it, as opposed to a few drips. Is this
normal or does it indicate a knackered pump?


It could do, but doesn't correlate with your thinking the system is
empty.


I put a screw driver in to try and turn it but nothing. Didn't have a
torch so unsure whether I was seating the screwdriver correctly.

Took the motorised valve apart - there is very little movement. when I
turn the valve but about the same as the amount of movement in the
motor. However when the motorised part was off and I slid the manual
overide lever across to manual, I got a consistent amount of
resistence and the lever comes back ALL the way to "Auto". But when
the motor and valve are back together the lever can be moved over and
back by about 1cm without any resistence. Is this normal?

And finally I opened the drain valve to drain the system and
"NOTHING". There doesn't appear to be any water in the system.
Presumably no water would cause overheating of the pump. Could this
blow the 2A fuse in the wiring box or could other parts overheat?


Are you sure it isn't the plug of th drain valve sticking? They do
that sometimes.

If the system really is empty, the pump would not last very long.




Cheers

Charlie




..andy

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