One of my Viessmann Commander units has lost the green light. Is the bulb change easy? Any instructions?
Thanks
Green bulb change
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Hi,
in the Viessmann Commander isn't it a grenn blub. The start-button is lightning with LEDs and you can't chached it yourself. Sorry With Software Version is on your Viessmann Commander?
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Software version 1.4
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Hi,
okay, try to update your Commander onetimes on the same Version. After the update start the Commander again. Maybe the problem with the green contollight is gone. If you have still the same problem with the green controllight of the pushbutto, I think you must send your Commander to Viessmann Modell and Jürgen Meier of the Viessmann Company will you send information instuctions. Sorry about my bad english, but I hope you understand me
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Thanks.
It seems like an intermittent fault so I'll try reinstalling v1.4 software.