[Elecraft] KPA1500 Fault:LPF VMON

[Chuck Stover]

 I had one of those a year or so back.  It resulted in a trip to Watsonville for the KPA1500.
Can't find the paperwork right now, but as I recall it was a failed PIN diode.
73,  Chuck K4QS
    On Friday, October 21, 2022 at 03:40:21 AM EDT, charles respess <charles.respess at gmail.com> wrote:  
 
 Hello,

Does anyone know how to troubleshoot KPA1500 Fault:LPF VMON?

Amplifier powers up fine into standby mode, however any attempt to change
into operate mode causes this hard fault condition 'Fault:LPF VMON'.  I
searched archives but found no details on how to troubleshoot.

Charles
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