RCF art 312A MK3 digipro amp fault

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   Have at least 5 RCF 312A MK3 serial begins with L that all go in to protect mode. All hf and lf drivers are ok.

When I opened the cabs and take out the amp modules I notice dried glue on the PCB "backside" it looks really strange like syrup. Can it be that easy that this is causing the problem on all those amp modules? Those amp modules all marked RevA.

I have other RCF ART MK3 beginning with Other first letters on serial number and also ampmodule all marked with Rev B and they are all good and also no glue and parts on the "frontside" seems to be glued with other kind of glue.

Anyone heard of this issue?

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serioussound Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 01 December 2013 Status: Offline Points: 443	Post Options Post Reply Quote serioussound Report Post Thanks(0) Quote Reply Topic: RCF art 312A MK3 digipro amp fault Posted: 26 August 2021 at 7:23pm
	Have at least 5 RCF 312A MK3 serial begins with L that all go in to protect mode. All hf and lf drivers are ok. When I opened the cabs and take out the amp modules I notice dried glue on the PCB "backside" it looks really strange like syrup. Can it be that easy that this is causing the problem on all those amp modules? Those amp modules all marked RevA. I have other RCF ART MK3 beginning with Other first letters on serial number and also ampmodule all marked with Rev B and they are all good and also no glue and parts on the "frontside" seems to be glued with other kind of glue. Anyone heard of this issue?