[Elecraft] ERR BP3 and ERR IF2

[Johnny Siu]

Hello Elecrafters,
I have just done the KBPF3 modification in the sub receiver KRX3. However, upon turn on the K3, I got the error messages ERR BP3 and ERR IF2.
I tried to access the CONFIG menu. I can get KIO3 and KPA3 but not KNB3.  In other words, KIO3 is after by KPA3 in the CONFIG menu and no KNB3.
Any advice before I shoot an email to elecraft support.
73
Johnny VR2XMC