How to mend ... Glow Worm 30cxi

How can I optimize settings on Glow Worm Ultra com 30cxi? ?

Boiler was installed 3 winters ago. First winter very poor, rads took hours to heat and boiler was off when th... [Read more]

F8 and F12 ?

I have a Glow worm 30cxi which is showing F8 (which isn't in the manual) and F12. The fan is going but the te... [Read more]

i have a glow-worm 30cxi combi boiler?

my boiler stoped working i cannot get it to start as there is no piolet light,i have power to the boiler,it st... [Read more]

Glow worm 30CXI combination boiler showing fault code F1 and F4? ?

Glow worm 30CXI combination boiler showing fault code F1 and F4? My boiler is showing fault code F1 - F4 so t... [Read more]

what does f12 with red light flashing mean on a glow worm 30cxi boiler mean?

what does f12 with red light flashing mean on a glow worm30cxi boiler i already have no hot water the heating ... [Read more]

no water from hotwater tap, glow worm 30cxi?

Hi I checked other replies and others with a similar problem state the water is not hot but mine is not runn... [Read more]

Glow worm 30CXI combination boiler showing fault code F1 and F4?

My boiler is showing fault code F1 - F4 so there is no hot water and no heating. Please can you tell me wha... [Read more]

my Glow worm 30CXI showing fault code F5?

I tried to switch the heating on this morning but it didn't come on. The weather is freezing out, -3. when I c... [Read more]

glow worm 30cxi?

i would like know where the pressure valve is. the pressure is on 0.3 at the moment. there are no water tubes ... [Read more]

Glow Worm 30CXI - not firing up with water but heating is fine?

Got a Glow Worm 30CXI that wont firing up to give hot water but heating works fine on timer and when switched ... [Read more]

Glow-Worm 30cxi keeps losing pressure when heating not on?

Pressure falls below .7 bar when heating is not on and therefore does not operate. When valve is opened to re-... [Read more]

problem with glow worm 30cxi?

got a glow worm 30cxi hot water stopped,when i ran a hot tap the central heating flow pipe got hot,so i have c... [Read more]

i have 30cxi Glow-worm - replaced interface board and need help?

i had fault flashed up- f12. replaced interface board as instruction manual states and is still flashing f12. ... [Read more]

Help with Glow-worm 30CXI pressure?

Hi all, I have a 30CXI from Glow-worm, Problem is when i try to increase the pressure from the 0.7 itis ... [Read more]

HOW CAN I MAKE THE PSI GO DOWN ON GLOW WORM 30CXI?

I HAVE USED THE FILLING LOOP TO ADD PRESSURE BUT DID IT FOR TOO LONG NOW ITS AT 2.2 NO 1.5 HOW CAN I LOWER IT

problem with Glow-worm 30cxi?

my boiler lights ok and works fine for maybe 1 hr then when i look next time it is showing f1 fault somtimes i... [Read more]

How can I fix my Glow-worm 30cxi - hot water goes cold when having a shower?

Hi, I've had this 30cxi model for about two years now and have had no major problems apart from the pressure ... [Read more]

glow worm 30cxi & climapro RF?

will a glow worm climapro RF progammable room stat work with a glow worm 30 cxi (30 cxi not 30 cxi ultracom/fl... [Read more]

Fault F4 ?

I have a Glow worm 30CXI boiler that keeps coming up with a fault of F4? Any idea's

How to wire in a Glow Worm climapro rf?

I have purchased a climapro rf for a Glow worm combi boiler and in the manual is shows that you have to wire t... [Read more]