EW Data logger failure?

The red LED is always "ON" whatever I am doing with the ON/OFF switch.
Impossible to know if the unit is switched ON or OFF. With or without
antenna gives the same result.

Does anybody have an idea of the problem?

Bruno

Hi Bruno,

I had an identical problem with our club EW (D) logger only last week.
Fixed it immediately by changing the battery. They thrive on a fresh
alkaline 9 volt cell, but seem to be very unforgiving of low cell
voltage - ours was a regular "heavy-duty" cell at 8.4 volts (no load).

Regards,

Geoff Vincent
Grampians Soaring Club
Australia


On Sun, 27 Jul 2008 01:36:16 -0700 (PDT), nimbus
wrote:

The red LED is always "ON" whatever I am doing with the ON/OFF switch.
Impossible to know if the unit is switched ON or OFF. With or without
antenna gives the same result.

Does anybody have an idea of the problem?

Bruno

On 27 juil, 11:24, Geoff Vincent
wrote:
Hi Bruno,

I had an identical problem with our club EW (D) logger only last week.
Fixed it immediately by changing the battery. *They thrive on a fresh
alkaline 9 volt cell, but seem to be very unforgiving of low cell
voltage - ours was a regular "heavy-duty" cell at 8.4 volts (no load).

Regards,

OK. But how to replace the battery? Do I need to send the Unit back to
the producer in UK?

Bruno

Geoff Vincent
Grampians Soaring Club
Australia

On Sun, 27 Jul 2008 01:36:16 -0700 (PDT), nimbus

wrote:
The red LED is always "ON" whatever I am doing with the ON/OFF switch.
Impossible to know if the unit is switched ON or OFF. With or without
antenna gives the same result.

Does anybody have an idea of the problem?

Bruno

On Sun, 27 Jul 2008 03:02:53 -0700, nimbus wrote:

OK. But how to replace the battery? Do I need to send the Unit back to
the producer in UK?

No, its a 5 minute job once you know where the battery is.

The battery is just inside the flat endcap opposite the D-9 connector.
Use a small, fine bladed screwdriver to gently prise out the two plastic
domes. These cover the screws holding the end cap on. Unscrew them
with a crosspoint screwdriver. Pull the cap off and slide the battery out.
Replace with a new 9v alkaline battery and reassemble in the opposite
order. The plastic caps press back into place.

Repeat annually.


--
martin@ | Martin Gregorie
gregorie. |
org | Zappa fan & glider pilot

Bruno

On the opposite end to the connector there are 2 small round black plastic
plugs. Lever them out with a small penknife. Take out the 2 screws
uncovered and the end plate pops off to show a PP9 9V battery which simply
unclips.

I have 2 rechargeable NiMH cells which I regularly recharge/swap. Works
for me.

Cheers

Martyn



At 10:02 27 July 2008, nimbus wrote:
On 27 juil, 11:24, Geoff Vincent
wrote:
Hi Bruno,

I had an identical problem with our club EW (D) logger only last week.
Fixed it immediately by changing the battery. =A0They thrive on a
fresh
alkaline 9 volt cell, but seem to be very unforgiving of low cell
voltage - ours was a regular "heavy-duty" cell at 8.4 volts (no
load).

Regards,

OK. But how to replace the battery? Do I need to send the Unit back to
the producer in UK?

Bruno

Geoff Vincent
Grampians Soaring Club
Australia

On Sun, 27 Jul 2008 01:36:16 -0700 (PDT), nimbus

wrote:
The red LED is always "ON" whatever I am doing with the ON/OFF
switch.
Impossible to know if the unit is switched ON or OFF. With or without
antenna gives the same result.

Does anybody have an idea of the problem?

Bruno

On Jul 27, 5:11*am, Martyn Johnson
wrote:
Bruno

On the opposite end to the connector there are 2 small round black plastic
plugs. Lever them out with a small penknife. Take out the 2 screws
uncovered and the end plate pops off to show a PP9 9V battery which simply
unclips.

I have 2 rechargeable NiMH cells which I regularly recharge/swap. Works
for me.

Cheers

Martyn

At 10:02 27 July 2008, nimbus wrote:



On 27 juil, 11:24, Geoff Vincent
wrote:
Hi Bruno,

I had an identical problem with our club EW (D) logger only last week.
Fixed it immediately by changing the battery. =A0They thrive on a
fresh
alkaline 9 volt cell, but seem to be very unforgiving of low cell
voltage - ours was a regular "heavy-duty" cell at 8.4 volts (no
load).

Regards,

OK. But how to replace the battery? Do I need to send the Unit back to
the producer in UK?

Bruno

Geoff Vincent
Grampians Soaring Club
Australia

On Sun, 27 Jul 2008 01:36:16 -0700 (PDT), nimbus

*wrote:
The red LED is always "ON" whatever I am doing with the ON/OFF
switch.
Impossible to know if the unit is switched ON or OFF. With or without
antenna gives the same result.

Does anybody have an idea of the problem?

Bruno- Hide quoted text -

- Show quoted text -

This does assume you have a "D" Model. If you have one of the newer
EW's it doesn't apply. But I have seen a simlar issue caused by a
setting in the setup file on the newer ones.

Brian

I have the new model (bought in January 2008). I did remove the
"battery" cap. I found an assembly of 3 metal ion sub batteries.

These batteries are made by GBS in UK. I contacted them in order to
have spare batteries.

I hope that opening the battery cap will not make my flights invalid.

I am a little disappointed about the weakness of this battery assembly
(only after 6 months, I got already problems !).

Bruno