Fix Glowworm Ultimate 40FF Boiler Chattering Noise

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Fix Glowworm Ultimate 40FF Boiler Chattering Noise

RustyOx Offline

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28-04-2021, 10:56 PM (This post was last modified: 10-05-2021, 05:38 AM by RustyOx.)

This Chattering(Buzzing) noise is caused by internal relay due to degrade of the electrolitic capacitors.
This fix als apply to Glowworm Ultimate 33FF and 50FF boilers.

Remove the control box and the PCB

Boiler PCB

Attached Files Thumbnail(s)

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RustyOx Offline

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03-05-2021, 09:07 AM (This post was last modified: 03-05-2021, 09:13 AM by RustyOx.)

Control box opened

Control PCB with Electrolytic capacitor highlighted and specifications

Boiler System Control Diagram

Youtube Video
https://youtu.be/bYYkeLRm9-Q

Youtube link: https://youtu.be/bYYkeLRm9-Q

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