My Worcester Bosch 35CDi had low pressure (which I topped up easily enough), but when I turned it back on it had the error code that looked like 2 T back to back (with their tops together).

The manual I have doesn't mention it, and they whole system "seems" to be working fine. Anyone know what it signifies?

Mark, December 2007

this normally happens when the system is being reset and does this to check everything is working ok on boiler eg fan etc before it operate normal should leave it alone in mode 10 min to 15mis

gabber, January 2008

this normally happens when the system is being reset and does this to check everything is working ok on boiler eg fan etc before it operate normal should leave it alone in mode 10 min to 15mis

gabber, January 2008

leave it for 15 mins it will reset its self
it does that if they been turn off for a while

b, December 2007