gld 80 audio problems

i am runing a gld80 with firmware v1.51 rev 19116
Surface board drive ver 1.1
Dsp Board ver 1.3
Motor Fader Driver 1.1
Help set v1.5
Operating system v3.01
we run this board in a church
Using 3 main scenes
Traditional
Contemporary
and jimmy
only on the pastors mic are we getting a weird noise in the drummer in ears and on the rca cd recorder out but only on the contemporary scene the 2 other scenes it sounds fine
house and me1 monitor units it sounds fine and on the other the rca out and drummer in ears it sounds fine
Any ideas???

What is the noise?

What is the noise?

Hmm. Not sure how that did a double post. Sorry.

Hmm. Not sure how that did a double post. Sorry.

Must have been a tap delay.

no i don’t run a delay

i will get a sample