worcester 240

[hammers4spanner]

Thought i'd ask on here as got a repair on one of these last time wrong

No hot/water or heating
power into the boiler and when call for temp pump spins
no 240 at the fan
followed cable down to pcb and nothing their so thinking pcb???

 

[SafeGasInstall]

is this combi ?

 

[hammers4spanner]

yes mate

 

[SafeGasInstall]

fuse on pcb OK ?
pressure ok ? low pressure switch could be fail I think

 

[hammers4spanner]

pressure was ok 1.5 bar
didnt check fuse on pcb

why you think low pressure switch?

 

[SafeGasInstall]

did read of a common problem with it here before
need to loop wires over to by pass it

what happens when you call for hw ?

 

[GasmanxxxR1]

Did you check continuity of the leads between fan and pcb?

 

[GasmanxxxR1]

does the fan start to spin at all

 

[galaxy_plumbing]

check all cables are ok, check fuse and all mentioned above before replacing something expensive

 

[hammers4spanner]

yes no continuity between fan and pcb

 

[GasmanxxxR1]

If there is no continuity down the leads, then it probably is the leads

 

[GasmanxxxR1]

Did you get OL on one of the wires?

 

[hammers4spanner]

I cant recall if I got OL

 

[zeebeedee]

If there isn't 240 at the board to the fan boards had it.

http://www.worcester-bosch.co.uk/ca...ctions-for-240-rsf--discontinued-dec-1997.pdf

 

[diamondgas]

Isn't this the one with the manual overheat switch top right? I'd check that out first before you go swapping PCB's personally

EDIT ... It's the one with the manual red button re-set on top of the control box when you take the case front off!

 

[GasmanxxxR1]

Any news Hammers?

 

[MatthewHurt]

Is the A.P.S in the Normally closed position? Or stuck open?
If memory serves - the 240 tests to make sure the A.P.S is closed before it sends power to the fan?

 

[arran197]

Overheat stat caused a similar problem on my sister-in-laws 240. It wouldn't reset and I had to replace the stat.

 

[LPC]

Changed a few overheat stats on these. Always check that first.

 

[Atouchofgas]

I think that Some parts on this boiler are obsolete