I have recently installed a Stannah 420, after a battery charge problem was
resolved the lift performs perfectly. My issue now is the annoying beep during
operation, I appreciate the safety issues involved, but would still rather not
have the beeps, or at least have the option to switch them off, has anyone any
idea where the beeper is located within the mechanism or better still has anyone
successfully silenced the annoying beeps?
My (limited) experience of similar lifts, is that beeping either means
one of the limit switches is being activated, or it thinks it's at the
top or bottom station yet isn't charging ... does yours have a 7 segment
display of error codes?
Didn't the OP wrote that he had a hinged rail that folded out? The
chair is beeping to warn others that there is now a possible trip
hazard? The instructions do indicate that there will be a beep when the
hinge section is moving (or extended??)
I think it clearly states the lift is now working perfectly (so not an
error beep), it sounds like he knows how to use it (so nothing left up
/ down) and that the beeping is a warning (to others), indicating the
lift is in use (like a lorry / forklift reversing).
So, if you are living with others but they aren't deaf and blind, it's
use would probably be obvious and so he probably wants (the option to)
silence the beeper under normal circumstances (save waking others up
if someone uses the lift in the middle of the night etc).
Assuming there isn't an option on the unit (jumper / PCB switch /
software setting), the problem for the OP would be if the beeper was
PCB mounted it might need some surgery to disconnect the beeper and
add a option switch. If the beeper is 'remote' then it could be easy
to add a small toggle switch in series to give the on / off option.
Cheers, T i m
replying to T i m, Yorktommy wrote:
Thanks for all your inputs. Tim has hit the nail on the head. Everything works
as it should. I just need to silence the beep and would do if I could find out
exactly where it is without a major unnecessary strip down to find it is easily
accessible in an obscure niche. Regards Tom
The only other question / thought, if the thing shouldn't normally
beep in use ... is if it's not picking up charging power when in
motion and that's why it's beeping?
I think there could be some sort of sliding contact / busbar that
provides power (and so charge?) to the chair so does the beeping only
happen when the chair is under load / moving? If yes and without
knowing if it's supposed to do that, it's difficult to prove if that's
why it's doing so.
The problem with those beer / sounders is that it's often difficult to
hear where the sound is actually coming from, especially if it's not
presented externally and is behind some covers etc.
A neighbour has a stairlift so I'll have a play with that and see if
it does as yours does.
Cheers, T i m
But it has top and bottom switches, so doesn't expect to be charged when
it's away from the top or bottom position (sometimes the wedges on the
track the switches register onto need re-positioning if the roller
guides are worn)
I think Tommy's issue will be there's only one beeper for warnings and
errors, so there's a risk to just cutting the wire, maybe make it
quieter by pushing a bit of blu-tack in the hole?
Is that the case for all makes / models Andy or just Stannah 420? I
ask because I believe our neighbours lift can be 'parked' anywhere
between top and bottom and would still charge? (It's one with an auto
flip up lower section so it's *never* left *at* the bottom but near
it), but is left at the top overnight (so it could (only) charge when
at the top etc as the batteries would carry it in between).
Assuming it's on wires, not soldered directly to a PCB (ignoring the
warning function etc)?
Again, once he's found it I'm sure all those sorts of things could be
Cheers, T i m
Dunno, applies to some Acorn/Brooks/Stannah (of a certain age) are all
very similar, I've looked at various manuals and PCBs.
Maybe the hinged ones have the wedges to activate the "you should
charge" switches at the top and just above the hinge location? Parents'
one only has power rails at top and bottom, rather than the full length.
One possible way to tell ... park it midway between the top and hinged
positions, then unplug the wall-wart, if it starts rapid beeps it would
have been charging in that position ... If it works the same way.
Then it sounds like some charge regardless of the position, others only
charge in known positions.
On my parents model the charging rails only exist at the top and bottom,
with corresponding wedges to operate switches which let the car know if
it's in one of those positions, and ought to charge, it beeps if it the
switch is operating, but it is not charging.
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