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CONFIG.SYS is the primary configuration file for the DOS and OS/2 operating systems. It is a special ASCII text file that contains user-accessible setup or configuration directives evaluated by the operating system's DOS BIOS (typically residing in IBMBIO.COM or IO.SYS) during boot. CONFIG.SYS was introduced with DOS 2.0.

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  1. S

    Camray 5 Combi Oil Boiler locks out on hot water demand

    Having a few issues with my combi boiler, its 14 years old now and due to be replaced as we are building extension, but need to get another 10 months out of the combi yet! Was having pressure and lockout issues and the relief vale had activated couple times, expansion tank is fuel of water so I...
  2. G

    boiler locks out , complete service and parts change

    problem with my oil boiler everything has been change all cleaned out set up but still locks out , if I remove photcell and shine a light on it it runs fine replace photocell and it stops again , new cell and control box, heating engineer is beat now as well
  3. T

    Boiler runs ok when cold and lasts about 30 minutes

    I have a 10 year old oil boiler has run well and gets serviced every year all tests are spot on, last week started locking out, would reset and run for short time, engineer fitted new control box and said thats it he was only away 10 minutes and it locked out, now waiting on new photocel, boiler...
  4. M

    Firebird external oil boiler locks out when cover is on.

    Hi All, I have a Firebird Enviromax external oil boiler, it has a Riello RDB2.2 C26 burner which keeps locking out. It has been an ongoing problem, where I've had to call my local guy several times. He gets it going, but it doesn't stay working for long. Its costing me a fortune for his time...
  5. A

    Potential Air locks in TP210B cylinder pipework

    I have a Santon TP210B cylinder - I am told I have air in the system which is stopping the hot water from working. I have chopped into the existing heating circuit to add another radiator, but the hot water system seems to be suffering the most, which I cannot get my head around - This new...
  6. K

    Worcester Bosch Heatslave Green star 18/25 continuously locks out

    Since moving to our property in Dec 2017, the Worcester Bosch Greenstar 18/25 Heatslave, has had a recurring lockout problem, which 3 OFTEC engineers have not been able to diagnose/ resolve. Typically at night when on manual,with no hot water running and with NO HOT WATER demanded of it. The...
  7. M

    Air locks in cdi classic boilers

    Hi all. I believe I have an air lock in the above boiler on the pump side. Flow to diverter gets red hot and just cuts out. Even on the hot water. I believe I have had this before. Has anyone else and have you come across a way to get rid of it without dismantling the return side. Cheers
  8. R

    Hot water air locks when CH on

    we have an old warehouse on three floors with a tank recirculating hot Water circuit, during summer when the heating was off there were no issues, now the heating is on it airlocks daily & we have to run it off to drag the air out. All the pipes run in the ceiling above tiles, the pipes aren’t...
  9. S

    Worcester 24i greenstar junior locks out

    Hi all I'm wondering if anyone can help with any suggestions on a very frustrating problem We moved into a house about 2 years ago and it had the greenstar 24i junior feeding a mega flow. Randomly, the boiler would lock out - the blue, reset and eco light flash in sequence. As soon as you...
  10. P

    Thermocompact 242 eh - sparks, ignites x 10ish times then locks out

    Hi Guys, I have a bit of a problem with a thermocompact 242eh in that it sparks and ignites several times an then locks out. I have a feeling that the solenoid or gas valve is at fault. a video of the fault can be found below. https://www.youtube.com/watch?v=1mMlu0zhVeM Any help would be...
  11. T

    One pipe system air locks

    I took this job on to replace TRV's & lock shields on a one pipe system, its donkeys years old, I thought it would be an arsehole job and it has not disappointed me, customer told me all the other plumbers never got back to her haha Its got some air locks in it and they are proving a ***t to...
  12. B

    Lead lock

    After many times struggling with the brass lead locks shaving off lead to make them fit making pipe weaker - used a philmac utc double end today life was so much easier but some as van stock
  13. Inverness

    did anyone know about British Gas changing the locks of people's home

    Watch this I found it very interesting http://youtu.be/AUF4Zs8NMgE
  14. Deleted member 7121

    Van locks

    Hi All looking at getting deadlocks fitted to all our vans any recommendations on make and company's , need the company to come to site to fit. North East, Northumberland area Thanks
  15. R

    Potterton Suprema 40 Locks out - Fan pproblem ?

    I have a Potterton Suprema 40 Boiler. It started making a noise recently which sounds like Fan Noise. There was some trapped Air in the Air Vent in the Airing Cupboard near he Pump and the Valve. Releasing that helped the Noise a bit. Today, I cleaned the Expansion Tank in the Loft before adding...
  16. A

    Baxi 80 HE runs then locks out.

    I tagged a long on a job today for the above boiler. Engineer i was with thought the problem was just on HW. tap/shower running, temperature fluctuates a lot and boiler can go to lock out. I said to customer does it happen on CH she said she hasn't tested so i put CH on also and after 5 or so...
  17. MarkAqua

    External Van locks

    I'm looking at purchasing the external van locks for rear doors and side sliding door. I appreciate it isn't about looks, however I think the big ones that bolt in look cheap and nasty. Prefer the Armadillo ones that BG use on the caddy, but they're hard to get hold of. I want to avoid slam and...
  18. G

    Repeated air locks in hot water system?

    I've come across a problem that's got me stumped and wondered if anyone can help. I was called to a customer who had no hot water. I suspected an air lock and back-flushed the hot supply with mains cold and got the hot flow restored. The gravity system in the flat had a cold water tank in the...
  19. A

    Air locks or Sludge?

    Hi Guys went to a job a couple of days ago, had to replace a section of cold feed pipe as it was blocked. System refilled ok. Bit of a nightmare to have it all running fine though. At first there was a lot of air in the system but that now seems to have cleared. Heat is getting round to...
  20. S

    Van Locks

    Looking at getting some van locks. i am going to get locks4vans slam locks, does anyone know the best price to get them as locks4vans don't sell them on there site. Steven
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