CH programmers

[JimK]

amazingly my new heatbank has a programmer that doesn;t remember my programming when there's a power cut/interruption/tripped mcb etc - does that sound right or have i got a duffer?

Getting fecked off with the reprogramming/not knwoing if it's reset itself unless checking - what are the reccommendations for a replacement that remembers!? any to avoid?

Is this an opportunity to soup it up with weather compensation and other clever stuff perchance?

Currently it's a "Danfoss FP715Si" - 2 channel, pretty flexible but what's the point if it can't feckin remember it!!

TIA JimK

[Andy Cap]

Well the Screwfix site says it has battery backup, so perhaps yours hasn't been fitted ?

Andy C

[Peter Andrews]

Perhaps a little bit of plastic tape hasn't been removed from the battery compartment?

Peter

[Andy Cap]

He wont own up either way ! ;-)

Andy C

[JimK]

arf etc

well it remembers the time and day whatever happens so *a* battery is connected somehwere

- nought in it's instructions about remembering programming,

- nought in it's instructions about bits of paper

back to the experts please

Jim

[The Natural Philosopher]

Mine does and doesn't.

Half the time when the power gioes, its because there is some kind of line surge, and that has a 50-50 chance of seemingly wiping out whatever flash RAM or battery backed Ram they use.

[Andy Cap]

I've got an old Drayton and coincidentally we has a power outage for a couple of hours at midday and as previously, all settings are retained.

There's no point having a battery if the thing loses it's settings. I'd be having a word with Danfoss, looking for a solution.

Andy C

[Harry Bloomfield]

JimK pretended :

As the clock part is likely a separate part to the memory which stores the program and often clocks keep going while the memory is lost if the battery is not quite up to spec.. I would suggest that the voltage of the battery is checked, be it rechargeable or replaceable cell.

[Dave Liquorice]

How long has the thing been connected to power? Some have rechargeable batteries that take a while (day or two) to become fully charged from initial power up.

[JimK]

about 10 months :>) (I still regard it as new...) have emailed DPS and Danfoss and we'll see what occurs.

Cheers JimK

[Rob Horton]

Looking at the datasheet

the following information:

"Battery backup on power failure" "Time and all other settings-indefinately"

Hmm, interesting use of the word indefinately. How long is that, 1 year,

10 years or 500,000,000 years?

Maybe the battery isn't fitted correctly or you have a faulty unit

[fred]

In article , Rob Horton writes

In this instance I would say that indefinitely means just longer than it takes for your rights to expire under SOGA.

[JimK]

thanks for the link to the pdf :>)

cheers JimK

[JimK]

well so far Danfoss have confirmed that it should retain programming (as we now know), DPS have yet to reply to my emails

JimK

[ARWadsworth]

I am sure that the battery is an internal rechargable one on this model.

You have a faulty internal battery.

Pressure Danfoss into a replacement.

Adam

[JimK]

well as DPS supplied the shebang I expect they (contractually) to sort it out pronto.

Should that not work out, I will get back onto Danfoss who have been prompt and informative so far.

cheers JimK

[JimK]

so much for pronto, they've apparently sent me another programmer day before yesterday by fedex "next day" - whose website now claims there's an address query - doh! No replies to my emails asking DPS to check it out - seems to be usual practice down there......

You got your ears on DPS??