[Elecraft] Elecraft W2 problem

[mike stokes]

Hi

 I have an Elecraft W2 and a HF 2kW coupler which I have a couple of issues
with and appreciate any thoughts.

#1 - When pressing the Range button the range cycles from 20 W to Auto.
When on Auto it defaults to 20 W until transmitting.  When in the 20W range
(or Auto) all of the SWR leds and the first power led light up.

#2 - When cycling through the ranges it skips the 2 W range.

I reversed the cable and reloaded the firmware with no issues,
Here is a link to a viedo showing what i am talking about.
https://1drv.ms/v/s!AtLmO2vBrPixk394MqxJ7BkwiV0w?e=2acerw
I appreciate any thoughts.

-- 
Mike Stokes
KK9V
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Re: [Elecraft] W2 problem

[David Ferrington, M0XDF]

At a guess, because it's simple to crimp. I doubt that the normal twisted pairs 
of CAT5 was the reason to not use it. 

-73 de M0XDF (from my iPhone)

> On 21 Jun 2016, at 11:29, John  wrote:
> 
> . I see elecraft supply a flat 8P8C
> RJ45 cable, so I guess there is an engineering reason for that?

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Re: [Elecraft] W2 problem

[John]

Hi All,

I'd be interested in the answers to this, as my W2 also recently lost the
same R10 component. And especially the answers about the Ethernet/signal
cables too...

73, and a firm left handshake,
John (2E0XLX)

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
STEPHEN BUNTING
Sent: 20 June 2016 16:03
To: elecraft <elecraft@mailman.qth.net>
Subject: [Elecraft] W2 problem

Hi everyone,

I have a little used W2 wattmeter that has stopped working, but I have
recently had access to a working unit so I could test the display and sensor
unit independently. Both of mine have faults -

The display has lost port nr 1 and it looks like R10 has been damaged on the
PCB. What physical size is this resistor? I can see from the cct diagram
that it is 330R. I don't do much SMD work so don't recognise the physical
sizes.

My 2KW HF sensor displays high SWR and low power into a known good load when
used with my friends "good" W2. I cant see any physical problems, so how do
I go about fault finding this or getting it fixed? 

Can I use a regular Ethernet cable to connect display and sensor? I used one
to test my display with a known good sensor on port 2, but sometimes the
display went haywire whilst on the air. I see elecraft supply a flat 8P8C
RJ45 cable, so I guess there is an engineering reason for that?

Thanks for your advice!

73

Steve, M0BPQ
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[Elecraft] W2 problem

[STEPHEN BUNTING]

Hi everyone,

I have a little used W2 wattmeter that has stopped working, but I have recently
had access to a working unit so I could test the display and sensor unit
independently. Both of mine have faults -

The display has lost port nr 1 and it looks like R10 has been damaged on the
PCB. What physical size is this resistor? I can see from the cct diagram that it
is 330R. I don't do much SMD work so don't recognise the physical sizes.

My 2KW HF sensor displays high SWR and low power into a known good load when
used with my friends "good" W2. I cant see any physical problems, so how do I go
about fault finding this or getting it fixed? 

Can I use a regular Ethernet cable to connect display and sensor? I used one to
test my display with a known good sensor on port 2, but sometimes the display
went haywire whilst on the air. I see elecraft supply a flat 8P8C RJ45 cable, so
I guess there is an engineering reason for that?

Thanks for your advice!

73

Steve, M0BPQ
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Re: [Elecraft] W2 PROBLEM (Larry Royster)

[Gerry McGowan]

Hi,
after carrying out on air tests with several K3-100s  I found that a PSK signal 
becomes unacceptably wide over about 48 Watts out (indicated on the K3 meter 
and/or a power meter).

80 Watts out would not get you any friends on a crowded band.

Similarly, the internal 10 Watt amp starts to spread with PSK at around 5watts, 
so with the K3 for PSK best to avoid power over about 50 watts and between 5 
and 12 watts (when the 100W PA kicks in).

73
Gerry M0VAA
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Re: [Elecraft] W2 PROBLEM (Larry Royster)

[Gerald Manthey]

Thank you for sharing your findings .
I find on my K2/10 5 watts is good. On K2/100 and K3 25 watts is good. My
KX3 is good at 4 watts , I think it is lower because max power is 10 watts.
73's Gerald
 On Sep 19, 2013 1:36 PM, Gerry McGowan m0...@yahoo.com wrote:

 Hi,
 after carrying out on air tests with several K3-100s  I found that a PSK
 signal becomes unacceptably wide over about 48 Watts out (indicated on the
 K3 meter and/or a power meter).

 80 Watts out would not get you any friends on a crowded band.

 Similarly, the internal 10 Watt amp starts to spread with PSK at around
 5watts, so with the K3 for PSK best to avoid power over about 50 watts and
 between 5 and 12 watts (when the 100W PA kicks in).

 73
 Gerry M0VAA
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[Elecraft] W2 PROBLEM

[Larry Royster]

I HAVE A WATT METER THAT SEEMS TO WORK OKAY, EXCEPT WHEN I FIRST TRANSMIT, 
USING PSK31 MODE. IT TAKES THREE OR FOUR TRANSMITS BEFORE IT INDICATES THE 
POWER LEVEL SHOWN ON MY K3, WHICH IS EITHER 40 OR 80 WATTS. I HAVE AN ELECRAFT 
POWER UNIT THAT IS IN THE CIRCUIT BT ON STANDBY.  WHAT AM I MISSING HERE? BEST, 
K4MWE
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Re: [Elecraft] W2 PROBLEM

[Bill Frantz]

Have you checked the ALC setting? You should have 4 bars of ALC 
showing when you transmit with the 5th bar flashing. You can use 
TX test mode to set the ALC without going out on the air.


If you don't have the ALC set correctly, the K3 will start 
transmitting at less than the power it is set at and slowly 
increase power as the power measurement feedback corrects the 
output power.


Cheers - Bill, AE6JV

On 9/18/13 at 2:37 PM, effectiveh...@bellsouth.net (Larry 
Royster) wrote:


I HAVE A WATT METER THAT SEEMS TO WORK OKAY, EXCEPT WHEN I 
FIRST TRANSMIT, USING PSK31 MODE. IT TAKES THREE OR FOUR 
TRANSMITS BEFORE IT INDICATES THE POWER LEVEL SHOWN ON MY K3, 
WHICH IS EITHER 40 OR 80 WATTS. I HAVE AN ELECRAFT POWER UNIT 
THAT IS IN THE CIRCUIT BT ON STANDBY.  WHAT AM I MISSING HERE?


---
Bill Frantz| Re: Computer reliability, performance, and security:
408-356-8506   | The guy who *is* wearing a parachute is 
*not* the

www.pwpconsult.com | first to reach the ground.  - Terence Kelly

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Re: [Elecraft] W2 PROBLEM

[Ron D'Eau Claire]

It's also quite possible that your wattmeter is trying to display average
power output, in which case it takes a while to display the correct output. 

Check the manual for that wattmeter and see what it says. Usually you have
the choice between peak (which you should be using) and average. 

73 Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill Frantz
Sent: Wednesday, September 18, 2013 2:47 PM
To: Larry Royster
Cc: elacraft reflrvto 2
Subject: Re: [Elecraft] W2 PROBLEM

Have you checked the ALC setting? You should have 4 bars of ALC showing when
you transmit with the 5th bar flashing. You can use TX test mode to set the
ALC without going out on the air.

If you don't have the ALC set correctly, the K3 will start transmitting at
less than the power it is set at and slowly increase power as the power
measurement feedback corrects the output power.

Cheers - Bill, AE6JV

On 9/18/13 at 2:37 PM, effectiveh...@bellsouth.net (Larry
Royster) wrote:

I HAVE A WATT METER THAT SEEMS TO WORK OKAY, EXCEPT WHEN I FIRST 
TRANSMIT, USING PSK31 MODE. IT TAKES THREE OR FOUR TRANSMITS BEFORE IT 
INDICATES THE POWER LEVEL SHOWN ON MY K3, WHICH IS EITHER 40 OR 80 
WATTS. I HAVE AN ELECRAFT POWER UNIT THAT IS IN THE CIRCUIT BT ON 
STANDBY.  WHAT AM I MISSING HERE?

---
Bill Frantz| Re: Computer reliability, performance, and security:
408-356-8506   | The guy who *is* wearing a parachute is 
*not* the
www.pwpconsult.com | first to reach the ground.  - Terence Kelly

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Re: [Elecraft] W2 PROBLEM

[Michael Eberle]

Holding the SENSOR and RANGE buttons simultaneously changes between 
peak-hold and average.  You might also want to set the range to 200 
since 'auto' may take a couple seconds to determine the correct range 
and 2KW would be too high for just 40 or 80 watts.


-Mike-
KI0HA

On 9/18/2013 9:05 PM, Ron D'Eau Claire wrote:

It's also quite possible that your wattmeter is trying to display average
power output, in which case it takes a while to display the correct output.

Check the manual for that wattmeter and see what it says. Usually you have
the choice between peak (which you should be using) and average.

73 Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill Frantz
Sent: Wednesday, September 18, 2013 2:47 PM
To: Larry Royster
Cc: elacraft reflrvto 2
Subject: Re: [Elecraft] W2 PROBLEM

Have you checked the ALC setting? You should have 4 bars of ALC showing when
you transmit with the 5th bar flashing. You can use TX test mode to set the
ALC without going out on the air.

If you don't have the ALC set correctly, the K3 will start transmitting at
less than the power it is set at and slowly increase power as the power
measurement feedback corrects the output power.

Cheers - Bill, AE6JV

On 9/18/13 at 2:37 PM, effectiveh...@bellsouth.net (Larry
Royster) wrote:


I HAVE A WATT METER THAT SEEMS TO WORK OKAY, EXCEPT WHEN I FIRST
TRANSMIT, USING PSK31 MODE. IT TAKES THREE OR FOUR TRANSMITS BEFORE IT
INDICATES THE POWER LEVEL SHOWN ON MY K3, WHICH IS EITHER 40 OR 80
WATTS. I HAVE AN ELECRAFT POWER UNIT THAT IS IN THE CIRCUIT BT ON
STANDBY.  WHAT AM I MISSING HERE?

---
Bill Frantz| Re: Computer reliability, performance, and security:
408-356-8506   | The guy who *is* wearing a parachute is
*not* the
www.pwpconsult.com | first to reach the ground.  - Terence Kelly

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Re: [Elecraft] W2 PROBLEM

[Hop - AC8NS]

- Original Message - 
From: Larry Royster effectiveh...@bellsouth.net

To: elacraft reflrvto 2 elecraft@mailman.qth.net
Sent: Wednesday, September 18, 2013 5:37 PM
Subject: [Elecraft] W2 PROBLEM


I HAVE A WATT METER THAT SEEMS TO WORK OKAY, EXCEPT WHEN I FIRST TRANSMIT, 
USING PSK31 MODE. IT TAKES THREE OR FOUR TRANSMITS BEFORE IT INDICATES THE 
POWER LEVEL SHOWN ON MY K3, WHICH IS EITHER 40 OR 80 WATTS. I HAVE AN 
ELECRAFT POWER UNIT THAT IS IN THE CIRCUIT BT ON STANDBY.  WHAT AM I 
MISSING HERE? BEST, K4MWE

__


Umm, lower case letters?

73 de AC8NS
Hop

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[Elecraft] W2 problem solved

[kissov]

Faulty power pole.

K6GC
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