Mend Drayton Digistat 3 Home Heating Systems

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Mend Drayton Digistat 3 Ravenheat Fires Air

ravenheat csi85t intermitting fire up?

our csi85t is trying to fire up ,fires for 5secs and fails for 5 goes on on on then gives up is it temp sensors or air pressure switch or boiler thermostats or the setting on the wall thermostat or because our drayton digistat 3 thermostat is a optomising all singing and dancing machine (according to a senor heating technical person)and is not set correctly.please i would love to know set me free from my tormentors and grant me internal warmth jymbo

jymbo
December 2009

Drayton Digistat 3 Heating, Home Heating Systems Ravenheat Fires Air

The PCB commonly fails often giving one of the following symptoms:
Fuse on PCB blown - boiler does nothing.
Pump runs but fan not running or erratic.
Pump and fan run but gas valve doesn't open (but check air pressure switch).
Pump, fan & gas valve operate but no spark ignition.
Boiler lights but shuts down after a few seconds because it doesn't detect flame (but check electrode leads and condensate trap if conncted).

PCBs are available on Ebay.

Phil T
June 2010

If you look at the book that came with the boiler look on falt finding ( is the burner on/off )It is either the fuse or the gas valve or something you cant do your self. to test the valve I pulled the wire off when it was lit, and it stayed on so that was the fault.

dennis m
January 2010

Think it might be the pcb board, i'll let you know if it cures the fault

paul holdsworth
January 2010

i have exactly the same problem but only in central heating mode, hot water ok

paul holdsworth
January 2010