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programmer

A computer programmer, sometimes called a software developer, a programmer or more recently a coder (especially in more informal contexts), is a person who creates computer software. The term computer programmer can refer to a specialist in one area of computers or to a generalist who writes computer programs.
A programmer's most often-used computer language (e.g., Assembly, C, C++, C#, JavaScript, Lisp, Python, Java) may be prefixed to the term programmer. Some who work with web programming languages also prefix their titles with web.

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  1. D

    LP522 programmer and water heater always on

    Good morning everyone I am facing a problem with the hot water/heating programmer Drayton (LP522): although there are two different programs for the CH and the HW, the latter is always on. In other words, when the heating system is on the water heater receives the hot water coming from...
  2. D

    Boiler over heats and turns off

    Hi everyone. I have the old style boiler, basically last year it started not working after being on for 10 mins.. Replaced the pump and 3 way port valve cleared the lines, bled everything, cleaned it all out Etc. Literally done most things. Basically it will work bit o my if I manually position...
  3. A

    Asked to change a programmer. Ch fault still occurring.

    Hi, Had a phone call today from a letting agent. Asked me to straight swap a programmer and asked how much. I said 1hr labour if its as they say. Programmer supplied by agent and left at the property for me. I asked has it been confirmed it's the programmer at fault. (I didnt want there to...
  4. R

    glowworm 18 home wire programmer?

    Just fitted a gw18 home. all fires up, only way to get heating is to manually move the leaver on 3 point value, programmer is not connected any ideas on wiring it? old boiler was glowworm 18 sxi with pump in airing cupboard. this has been removed as the gw18 had the built in pump. Thanks
  5. M

    Programmer or Froststat?

    Had a problem with CH running continuously which I traced to a stuck two post valve (S plan system). That solved the issue but then I noticed the hot water is also on continously even if switched off at the progammer and irrespective of tank thermostat setting. With system powered off the 2 port...
  6. Inverness

    Hive connected to an existing twin programmer and roomstat

    hi guys, can someone advise how to connect a hive to existing s plan system? It is a danfoss twin programmer. Cheers
  7. Q

    Anyone using a WiFi plug as a smart programmer?

    Hi, I'd like to replace my Baxi 105e built in programmer with a smart option. I do not need a room stat as my trv's manage the temperature. I use WiFi plugs around the house that have all the characteristics of a programmer, on/off multiple time/day setting, manual on/off options even outside...
  8. J

    Back Boiler Programmer Replacement

    Hi all, i have just bought a house with a back boiler in, eventually i am going to replace it but at the minute i cant afford to and have other priorities. I am however looking to change the programmer to make it easier to live with. The programmer i currently have is a Horstmann 425 tiara...
  9. M

    CH only works when HW on (no HW off on programmer)

    Hi - first post here Trying to resolve an issue with our system at the moment. We have a Potterton Suprima boiler with a Sunvic 207 XLS programmer. I’m only able to get CH to work when HW is active. There is no HW off wiring into the programmer which I imagine could be the issue after doing...
  10. P

    Programmer help HW cancels CH

    Hello, I have a normal heating system, copper hot tank, boiler, cold tank in loft alongside a small CH header tank. Problem is.... If my programmer is switched to heating on and water off, the heating works fine. If I then switch the water on it immediately switches off my room thermostat dead...
  11. T

    worcester bosch 350 programmer

    Hi guys. For those of us that are still involved in one way or another with these combis, heres a workround if youve got a timer/programmer that has a flat battery. The problem with a flat battery is as you know in the event of a power disconection the programmer losses its settings and...
  12. P

    Is My New Corgi (Tower) Programmer Faulty?

    I have an ancient ch system. Think it's s plan. Fully pumped, open vent, Thorne Olympic boiler. The old programmer started to play up, so I fitted a Corgi/Tower PR2 2 channel programmer. All went well, until I tried to run it on the programmes I set on it. The hot water runs according to the...
  13. A

    Using a Drayton programmer, is there any need for an MT10?

    Finishing off an install in the morning, replaced wiring center and programmer. Am I right in thinking there is no need for an MT10 mechanical clock? When I was picking up my bits someone said just stick an mt10 on, I picked one up just in case but don't see the point in it if I have the ch...
  14. A

    Boiler programmer upgrade wiring question / problem

    Hi, I am a newbie to this forum, and hope someone can help with my question. I am updating my old Siemans programmer to a hive dual channel programmer. My heating/hot water system has a separate boiler and hot water tank. When I removed the cover of my old programmer to install the new one...
  15. A

    Boiler constantly on although programmer is off...

    Hi, I`d really appreaciate any help regarding this new problem. We have a house with a sealed central heating system and a water tank in the A/C. Turned the heating on today for an hour, worked well, then noticed that well after the hour was up and the programmer switched off, the boiler...
  16. Bogart

    2 zone htg plus hw wireless programmer.

    Always had honeywell in the past has anybody improved on them or should I stick with whom I know. I would ideally like one unit to control 2 heating zones and the hw.
    • Bogart
    • Thread
    • forum plumbing plus programmer wireless zone
    • Replies: 14
    • Forum: Plumbing Zone
  17. A

    24 RI CH comes on when water on. Possible programmer fault also

    Hi everyone Been a while, hope everyone is well. Been to a job tonight, if hw on rads get hot also. Ch 2 port seized open. Lever on valve permanently slack. 24 RI Another issue seems to be programmer might be working intermittently. Even with ch and hw turned off at programmer, boiler fired...
  18. Harvest Fields

    Honeywell 240v twin channel programmer

    Has anybody else realised that Honeywell controls are not what they used to be. I have changed 3 timers in the last 2 months all in garages where when the Hot water and Heating is on together the timer just flashes on and off constantly.
  19. V

    Drayton Mid Position Valve

    Hello Everyone I've just joined the site and hope someone can help a plumber in need. Not been on forums before so this is all pretty new to me, if the thread is in the wrong place then apologise. I got called out to a customers house last week as the central heating wasn't working, on...
  20. T

    Towerchron QE2 Timer issue

    Hello all, new to the website and hoping someone can help with our issue. We have a Towerchron QE2 timer/programmer running our hot water and heating (gravity fed system). The boiler will fire up at 6am as expected and both the heating and hot water lights illuminate. The problem is that it...
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