[K2] Hi Current...still

[bdenley]

After getting the HiCur message, I replaced the two PA transistors, the associated hardware, Q11 and Q13, and R50.  Unfortunately I stll get the same message:  HiCur when I press TUNE with power any higher than about 1.5 watts  inot a 50 ohm dummy load.  Any have any ideas about what else might cause this problem?



Brian KB1VBF

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[Don Wilhelm-4]

Brian,

Put an external wattmeter between the K2 and the dummy load - set the
power for 5 watts, do a TUNE and see how much power is really being
produced.

If it is much higher than the 5 watts requested, you have a power
control problem - which will usually result in a Hi Cur message because
all transmit stages are producing as much as they possibly can.

If this is actually your situation, do not transmit for more than a
brief moment or you can damage those new PA transistors.

73,
Don W3FPR

On 2/18/2012 10:09 PM, [hidden email] wrote:
>
> After getting the HiCur message, I replaced the two PA transistors, the associated hardware, Q11 and Q13, and R50.  Unfortunately I stll get the same message:  HiCur when I press TUNE with power any higher than about 1.5 watts  inot a 50 ohm dummy load.  Any have any ideas about what else might cause this problem?
>
>
>
> Brian KB1VBF
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