KXPA100 not transmitting

[SAMUEL L ROWE]

Is anyone running a Elecraft KXPA100 amp with KXAT100 with a KX2 or KX3 that could help me with a little troubleshooting?

The power amp light blinks slowly (not on steady) and while turner tunes, the amp will not go to transmit but shows 25 W output.  I am using the KX2-controled connection.

My KX2 S# 01749 was new from Elecraft; the KXPA100 S# 1532 was acquired gently? used.

73

Sam, KG9NG

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[Dick Dievendorff-4]

The KXPA100 blinks a LED while ATU TUNE is in progress.  The ATU TUNE needs
steady carrier from your KX2.  ATU TUNE is done with exciter power, and when
it's complete, the amp can be switched in.

73 de Dick, K6KR

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of SAMUEL L ROWE
Sent: Thursday, October 26, 2017 14:46
To: [hidden email]
Subject: [Elecraft] KXPA100 not transmitting

Is anyone running a Elecraft KXPA100 amp with KXAT100 with a KX2 or KX3 that
could help me with a little troubleshooting?

The power amp light blinks slowly (not on steady) and while turner tunes,
the amp will not go to transmit but shows 25 W output.  I am using the
KX2-controled connection.

My KX2 S# 01749 was new from Elecraft; the KXPA100 S# 1532 was acquired
gently? used.

73

Sam, KG9NG

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[Don Wilhelm]

Sam,

That is normal operation while the KXAT100 is tuning.  See the KXPA100
manual page 25 "ATU Tuning".

The power is limited to 25 watts while the ATU is tuning and the 25/SWR
LED under POWER OUT blinks.

Note that ATU is different than TUNE - see page 19 in the KX2 manual.

73,
Don W3FPR

On 10/26/2017 5:45 PM, SAMUEL L ROWE wrote:
> Is anyone running a Elecraft KXPA100 amp with KXAT100 with a KX2 or KX3 that could help me with a little troubleshooting?
>
> The power amp light blinks slowly (not on steady) and while turner tunes, the amp will not go to transmit but shows 25 W output.  I am using the KX2-controled connection.
>
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[SAMUEL L ROWE]

Thanks Don

I knew it had to be something simple that I missed.

73

Sam KG9NG


________________________________
From: Don Wilhelm <[hidden email]>
Sent: Thursday, October 26, 2017 5:45 PM
To: SAMUEL L ROWE; [hidden email]
Subject: Re: [Elecraft] KXPA100 not transmitting

Sam,

That is normal operation while the KXAT100 is tuning.  See the KXPA100
manual page 25 "ATU Tuning".

The power is limited to 25 watts while the ATU is tuning and the 25/SWR
LED under POWER OUT blinks.

Note that ATU is different than TUNE - see page 19 in the KX2 manual.

73,
Don W3FPR

On 10/26/2017 5:45 PM, SAMUEL L ROWE wrote:
> Is anyone running a Elecraft KXPA100 amp with KXAT100 with a KX2 or KX3 that could help me with a little troubleshooting?
>
> The power amp light blinks slowly (not on steady) and while turner tunes, the amp will not go to transmit but shows 25 W output.  I am using the KX2-controled connection.
>
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