Slug Bird 43 (100A) Help

[bin10]

Good morning,
I received a Slug Bird 43 (100A) as a gift.
Unfortunately it does not work perfectly.
The Watt AWG reading is perfect, but the Watt PeP reading has gone crazy.
I checked the few internal components, Trimmer is OK, Diode is OK, I think the problem is in the fixed value resistance but I do not know its exact value.
Thank you.

[rfengg]

Matey,
Sorry but the Bird 43 is designed only for average power ONLY , so you should not be using the 100A slug to make PEP readings on a Bird 43. 
The meter needle will jump around with the carrier peaks if you use it this way......you need a peak reading kit for PEP or the 43P with the relevant slugs.

[bin10]

Yes, the PeP Reading Kit is installed and works with all other Slugs.
only with this Slug the reading is very different.
I have read the PeP USB watt of a RTX under test.
all the other slugs indicate the exact measure (50 Watts PeP) while this slug even shows 100 Watts PeP.