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I'm afraid so...wasn't very had to change pcb board....anyway I managed to change dsn but boilers locked me out get this now..

https://myboiler.com/fault-codes/vaillant-ecotec-f70-repair/

Its this one 831 eco tech plus 2..now it should automatically adjust the parameters cos I only changed the main pcb. The coding resistor is installed from the old board....strange it doesn't display the screen to change DSN..

Changed pcb board...getting f7 invalid device specific number....cant get to the d.093 screen to chsnge it...any ideas why...? I get to the last two instruction but after entering language to English it doesn't display the d.093 screen..

had a gas safe guy look at it...said was the pcb board qouted around £250 supplyt and fit...will see coming tommorow hopefully..

Oh dear..sounds expensive :(

Hi guys - got a vaillant 831 ecotech ...woke up this morning ..boiler was off..display was off....left it unplugged for 10 minutes...then plugged it back in. Didplsy came on..went to wash face turned hot water on and it was cold...boiler went off again, blank display...then left it off again...

Sorry ignore my posts, though I was posting on my own thread, my bad

No buddy..I'm not that person.

Looks like a faulty brake pad wear sensor, took it to local mechanic..pads are all fine, meaty..brake fluid reservoir full...said I need a brake pad sensor but can't seem to find one...

Will have a look...are there sensors on the rear brake pads too?

Hi got a mk 6 golf tdi..the low pad wear sensor light is on the dashboard...had brakes checked...front pads, and rear pads all good ....brake fluid full...why isn't the light going off.. ? I had front pads changed last year...car brakes and stops as it should..any ideas? Ta

Just an update guys...it was the bsttery 100%...even though it was new..took it back to shop ..tested it and wasnt holding charge.. exchanged it..started car today fine..thanks.

I'll try to open boot..no , i have factory fitted standard stereo

I connected battery and then done test straightaway...my boot doesnt open for some reason.. all doors open when I use remote key fob , except boot for some reason..

No, I switched evrything off..doors all shut..I thought anything around 500mA was normal..i didn't start pulling fuses, think I'll do that over weekend.. Where is the side box fuse panel in engine compartment? I can only see the main fuse box. I was thinking of removing the fuse b1 for...

Ok guys I charged the battery up to full..battery was around 12.5v, I done the drain test see pic..seems like there is no excessive amp draw as its seems normal reading..I will try the alternator test over the weekend..

Gonna charge battery tonite..how would multimeter be set..mine goes up to 10 amps..is this correct?..also where likely would the black box be located?

Yes brand new battery bought a week ago...just checked this morning, evrything is dead as before, no signs of life anywhere, checked battery voltage 4.75 v it read on the multimeter. Told kid to ring insurance company and tell them as they fitted the black box....I'll investigate the...