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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. K

    Vaillant ecotec plus 824 no heating. How water fine.

    Hi 1 day after putting heating on for first time it's not working. When I turn the heat down on the digistat rf2+ the flame goes off the display then comes back on when I turn it up the flame comes on the display the receiver flashes but the heating does not come on. I have had to drain a rad...
    • Kevro
    • Thread
    • comes display ecotec ecotec plus flame heating no heating plus vaillant water working
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  2. MZR

    Alpha 2l pump

    Hi all got called out to service a boiler today asked customer if there's any problems ? Oh the heating not worked for 3 weeks ! So switched the heating on to the Icos 12he boiler fires up then burner goes out and burner light flashes, I went to check the pump to find the new grind dos alpha2l...
  3. B

    Isar Idea HE24 question - display and burner LED

    Hi all i have just moved into a new flat and have a question about my he24 boiler. I gather you get a lot of these so I apologise in advance. I think I'm just being paranoid The boiler appears to be working ok, delivering hot water when I open tap, and heating the radiators when I bring the...
    • boileroo
    • Thread
    • boiler burner central heating system display isar question working
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  4. D

    connection to a vitrina (ice cream display case)

    I have a question regarding the connection of cooling pipes from an ice cream vitrina to the external aggregat, or motor that keeps it cool! sorry in advance, I am not a plumber by any means, so I am not sure of the technical terms but I will try to do my best Long story short, we have a...
  5. N

    urgent help, ICOS HE12 not working, no error codes, no display

    Hi guys, I have ICOS HE12, something happened with it, few days back i lost the indication in the display, the hot water and heating were working but i noticed the heating was less and water took time to be heated Today the boiler started not working, no hot water , no heating, no indication in...
  6. M

    Drayton MiTime wireless programmers - anyone fitted any?

    Have you had any issues with them? Cheers, Masood
  7. A

    deltadore Tybox

    Does anyone use Deltadore Tybox programmable room stats One of the places I work have units installed in just over 30 apartments Recently in 5 apartments we are having problems getting the stats to call for heat. For instance when they are set to a target temperature of 30 degrees, they...
  8. H

    Vaillant Eco Tec 24: question about display symbols and lack of registration card

    Hi All Had this boiler installed yesterday and today was the first chance i had to go through the paperwork. There is no registration card to register for the warranty. The installers said it would be with the papers. I need to register in 30 days for the warranty. Can i request this direct...
  9. F

    Replacing Honeywell CM927

    Hi, in common with many others I have had the LCD display on my Honeywell wireless thermostat fade away to nothingness. initially I was going to simply buy a new remote unit, but having seen the huge numbers of similar problems brought up by users, I don't want to spend £120 for something that...
  10. P

    Heatline c24 no power no display

    Hello above boiler has power going in at 240v but is not operating. I'm thinking pcb but this has 2 pcbs so just after some tips to diagnose and get the right part. All advice would be greatly appreciated and thanx in advance. Also where's cheapest place to get a board as I'm finding prices...
  11. D

    1st series Duo-tec, no display...?

    Hi folks, Anyone give me a heads up on the above issue? I got a phone call from a landlord and am going there tomorrow!! There's power to the boiler, apparently, but the display is blank, never had this one until now! Initial thoughts are the PCB fuse &/or the PCB? If it's the fuse does...
  12. M

    Vokera Unica HE

    Hi, I wonder if you could help. My Vokera Unica HE boiler suddently stopped working one day. There was no light on the display at all, no error messages, nothing. The display was totally dead. It looked to me like an electrical problem, maybe a blown fuse. I rang for an engineer who came and...
  13. F

    Underfloor heating problem

    Dear all We got up this morning to cold feet on our kitchen floor tiles. The underfloor heating has somehow packed up overnight. We have a split system, the kitchen and sub kitchen / dining room both have their own separate system. Both are operated from the same power point at the wall...
    • FUGITIVE333
    • Thread
    • display heating kitchen power problem system ufh under floor heating underfloor underfloor heating
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  14. S

    eco tec pro 28 problem

    hi guys got a vaillant eco tec pro, boiler not firing or even attempting, display screen is showing random numbers such as 888, 858 most of the time its showing part numbers i.e as if the numbers are cut in half horizontally, not to sure if its pcb or display has gone so not showing fault code...
  15. M

    Cordless Air pump ( For re-charging expansion vessels)

    Hi, Anyone recommend the best tool / method for checking and recharging expansion vessels - mainly in a domestic, boiler servicing capacity? Ive been trying to locate the bosch PAG12v which has a digi display but cant find anywhere Then theres the rothenburger cordless pump but doesn't have...
  16. A

    Boiler timer display not working

    My flat has a Pulsa Coil boiler, which only used to provide hot water by electric. No gas involved in my flat. There is a timer on the wall near the boiler. Something wrong with the display on the timer as I can not read anything on the display. The boiler is working fine. When I press the...
  17. M

    Kane 425 excess air display

    Apologies for asking in the gas forum (I'm an oil enineer) but you gas guys know your analysers. I've just bought a second hand Kane 425 analyser as a backup for my anton sprint v2 and am trying to get my head around it. Can anyone tell me if it's possible to get a real time display of excess...
  18. Z

    Glowworm Cxi F.12 fault

    I've been to have a quick look at my mate's boiler and its displaying F.12 which is 'Connection fault between main pcb and display pcb'. The boiler is not firing up. The wire itself seems ok, no obvious breaks/damage (have not actually tested yet). I've had a word with a couple of people and...
  19. G

    Dead Potterton Powermax HE

    Hello Ive got a problem with a Potterton Powermax HE. The display on the boiler was totally dead, checked internal fuses they were fine so i replaced pcb, turned the boiler on and the green display lit up with nothing on it and nothing in the red display. Am i right in thinking i might need to...
  20. B

    isar - works but user display dead

    Went to an Isar today that's working ok but the user display is dead (no led or lights showing at all). It looks like water has been coming from where the return pipe connects underneath the heat exchanger (front bottom right) and has dripped down onto where the wires connect to the user display...

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