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25th September 2007, 10:07 AM
#1
Automated Home Lurker
3 port valve problem
My three port valve (Landis & Staefa MA-V322C) gets very hot and buzzes. It seems to be stuck in the HW position. If I take the head off put into manual mid-position, I seem to get both HW and CW. Can I assume the actuator motor has expired and just needs replacing or should I do more checks? I am reluctant to just replace and hope.
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25th September 2007, 04:10 PM
#2
Moderator
Yes, that would be my guess,
I'd just change the motor.
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25th September 2007, 05:50 PM
#3
Automated Home Lurker
Thank you. It does seem to be the motor. Since posting I have tried removing the actuator and replacing it in all three different valve positions (W - M - H) it just buzzes away whatever I try to tell it to do from the controller. I'll replace it and see.
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2nd October 2007, 06:29 AM
#4
Automated Home Lurker
fixed
I've replaced valve head and it now works fine.
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