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I have a Ferroli optimax he plus 31c boiler and have no hot
I have a Ferroli optimax he plus 31c boiler and have no hot water coming out the hot water taps or the shower. The boiler is fine water pressure fine both black filling knobs are tight. The middle blu… read more
Brian
Brian
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596 satisfied customers
With a Ferroli Optimax HE Plus 31c boiler, I need to fill
Hi, with a Ferroli Optimax HE Plus 31c boiler, I need to fill the boiler. I have a stopcock on a water pipe that leads into the boiler. When I loosen the stopcock, the pressure goes up. Should I leave… read more
Brian
Brian
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We have a Ferrolli combi boiler and we had a short power cut
We have a Ferrolli combi boiler and we had a short power cut yesterday and have been left with no heating or hot water. F37 keeps flashing up and the pressure is over 2 bar and hasn't dropped? Where a… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hi, I have no hot water from my Ferroli Optimax HE Plus 38C
Hi, I have no hot water from my Ferroli Optimax HE Plus 38C boiler. There is no fault code showing, but I managed to get warm water for a while yesterday. Does this suggest a faulty DHW temperature se… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hi I have a ferroli optimax he plus, and there is no hot water
Hi I have a ferroli optimax he plus, and there is no hot water / heating at the moment. The boiler is flashing orange with 31 f flashing up and the gauge is about 1.1. I think I need to increase the w… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Hi Ive over filled the pressure on my ferroli optimax he 38c
Hi I've over filled the pressure on my ferroli optimax he 38c boiler it's nearly on 3. I was just wondering how to drop the pressure back down to 1/1.5?… read more
Brian
Brian
Plumber
596 satisfied customers
I have the ferroli optimax he plus 31 c. I am getting an f37
I have the ferroli optimax he plus 31 c. I am getting an f37 fault code which I know is low water pressure. It advises to fill the system. I have turned both the black knob filling taps so they are op… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
ferroli optimax he 31 c f37 flashing ,i have fitted new pressure
ferroli optimax he 31 c f37 flashing ,i have fitted new pressure senser and put 1.5 bar in yet f37 flashes, have bye-pasted senser and boiler works fine. is it possable the new senser is faulty ????… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
ferroli optimax he 31c erratic operation ie firing then shutting
ferroli optimax he 31c erratic operation ie firing then shutting down upon operation of cold or hot taps. All tap opening approx half unless stated otherwise. TEST RESULTS on completion of each of the… read more
canuck the pro
canuck the pro
15,234 satisfied customers
Hi ..I have a ferroli optimax he plus 31c....f37 is flashing
Hi ..I have a ferroli optimax he plus 31c....f37 is flashing which is low water pressure...I have turned the black knobs an made sure the blue ones r in line with the pipes but the pressure doesn't mo… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
Help! I have a ferroli optimax he 31 c and I have error code
Help! I have a ferroli optimax he 31 c and I have error code F40 after an initial error coe of F37 (Fill the system) i think I filled the system by turning two black valves. ive tried bleeding the rai… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
ferroli optimax HE plus 31c. Tried to switch to eco mode, then
ferroli optimax HE plus 31c. Tried to switch to eco mode, then the boiler just stopped working. Fault code F40 flashing. Is code is apparently to do with high pressure (3-5 bar), however pressure was … read more
canuck the pro
canuck the pro
15,234 satisfied customers
I have the ferroli optimax he plus 31 c installed about 6 months
I have the ferroli optimax he plus 31 c installed about 6 months ago. I am getting an f37 fault code which the instruction book says is low water pressure. It advises to fill the system. Could you tel… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
I have a ferroli optimax boiler showing a F37 fault. I have
I have a ferroli optimax boiler showing a F37 fault. I have hot water but no heat in radiators. As I live on the second floor flat in an old building with low pressure, I had a a pump fitted 2 years w… read more
Chamberlain Maintenance
Chamberlain Maintenance
Plumber
324 satisfied customers
i have a Ferroli Optimax HE Plus 31 C bolier and my pressure
i have a Ferroli Optimax HE Plus 31 C bolier and my pressure gauge has dropped to below 1 (digital display flashing F37). I have checked several forums but the advice has not been great. My system doe… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
hi, I have a rather rubbish Ferroli optimax 31c, with a fault
hi, I have a rather rubbish Ferroli optimax 31c, with a fault code F37, have turned the black knobs to increase the pressure but not working. This morning I thought it may have been frozen pipes,but s… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
I have a ferroli optimax he plus 31c boiler and its only 3
I have a ferroli optimax he plus 31c boiler and it's only 3 months old. tonight I tried to bleed one of the radators bacause it was colder than the others, now my boilers turned off and i can't get it… read more
Andrew Smith
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,091 satisfied customers
hello! I have Ferroli Optimax HE 31 C boiler. Its brand new.
hello! I have Ferroli Optimax HE 31 C boiler. It's brand new. Has been used for a week maybe. Everything was working fine untill the display started flashing F37 fault. According to manual pressure is… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
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