Halstead Ace High boiler
After installation sytem cleaner and inhibiter put in and last year all rads taken off and individually cleaner with washing up liquid and pwer washer with rubber mallet!
Have a problem - just cant find out a solution tried everything - seen it on this forum a few times but no difinitive solution
HOPE SOMEONE CAN HELP....... please... please
The Problem
Hot Water
Used to work OK but then it progressivly started to shut down mid shower Ok had shorter showers! progressivly over last few weeks got worse (and showers got shorter and shorter)- Now if you switch on tap - if the boiler is cold it runs for a short while then stops - result wife has cold shower and I'm not popular
when it stops no over temperature (overheat themostat) or Lockout - only power light lit
Central Heating
Was running OK all winter..... Now runs sometimes for short time - sometimes boiler ignors thermostat demand for heat (although 240v accross pins X9/3- X1 Blue)
What Have I tried?
Hot water Heat Exchanger - Removed/cleaned over 3 days with eveerything I could think of from kettle descaler - to caustic soda - clouds of small black pieces - replaced made no difference
Fan/Venturis and Air Pressure switch - Removed and cleaned calcium of venturi, put back and put 240v directly accross it fan runs and APS switchs from N/Open to closed - working
Main Pump - Had it off cleaned it - put back put 240v direct on - runns Ok and raised the Primary flow switch Plunger
Flow switches - New diaphram in Primary 9 months ago
Hot water demand - moves mainflow switch -
Had off and checked all Microswitches - working accross a meter
Printed Circuit Board - Installed new one
Burner pressure OK nice blue flame when running
Checked Ignition electrode (and reset to 2.5mm) and the detection electrode reset to 12.5mm from burners
Had all DHW pressure sensing pipes (and bypass) off and cleaned them when I did the Heat exchanger also blew bit of water through the open connections when I had everything off (and got wet!)
Removed Water flow regulator and checked - OK
Pressure relief valve checked and blows off and reseats when turned all system water tight
Been through the Halstead Check list in the manual Start power up clear (when working) Ignition Fault finding goes right through checks until check detection electrode - so I have ordered one up for Monday £10.35
The detection electode is my last hope
The wife will have cold showers all weekend unless someone can think of somethin I have missed - come on all you Halstead experts - give us a hand
Pete
[/u]
After installation sytem cleaner and inhibiter put in and last year all rads taken off and individually cleaner with washing up liquid and pwer washer with rubber mallet!
Have a problem - just cant find out a solution tried everything - seen it on this forum a few times but no difinitive solution
HOPE SOMEONE CAN HELP....... please... please
The Problem Hot Water
Used to work OK but then it progressivly started to shut down mid shower Ok had shorter showers! progressivly over last few weeks got worse (and showers got shorter and shorter)- Now if you switch on tap - if the boiler is cold it runs for a short while then stops - result wife has cold shower and I'm not popular
when it stops no over temperature (overheat themostat) or Lockout - only power light lit
Central Heating
Was running OK all winter..... Now runs sometimes for short time - sometimes boiler ignors thermostat demand for heat (although 240v accross pins X9/3- X1 Blue)
What Have I tried?
Hot water Heat Exchanger - Removed/cleaned over 3 days with eveerything I could think of from kettle descaler - to caustic soda - clouds of small black pieces - replaced made no difference
Fan/Venturis and Air Pressure switch - Removed and cleaned calcium of venturi, put back and put 240v directly accross it fan runs and APS switchs from N/Open to closed - working
Main Pump - Had it off cleaned it - put back put 240v direct on - runns Ok and raised the Primary flow switch Plunger
Flow switches - New diaphram in Primary 9 months ago
Hot water demand - moves mainflow switch -
Had off and checked all Microswitches - working accross a meter
Printed Circuit Board - Installed new one
Burner pressure OK nice blue flame when running
Checked Ignition electrode (and reset to 2.5mm) and the detection electrode reset to 12.5mm from burners
Had all DHW pressure sensing pipes (and bypass) off and cleaned them when I did the Heat exchanger also blew bit of water through the open connections when I had everything off (and got wet!)
Removed Water flow regulator and checked - OK
Pressure relief valve checked and blows off and reseats when turned all system water tight
Been through the Halstead Check list in the manual Start power up clear (when working) Ignition Fault finding goes right through checks until check detection electrode - so I have ordered one up for Monday £10.35
The detection electode is my last hope
The wife will have cold showers all weekend unless someone can think of somethin I have missed - come on all you Halstead experts - give us a hand
Pete
[/u]
