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Experience:  Fully qualified plumbing , heating and gas engineer 20 years experience
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My Wilo Silent Master 304 pump has a red Alarm light

Customer Question

My Wilo Silent Master 304 pump has a red Alarm light flashing and an orange Power on light flashing,both at the same time,what does this mean please?
Submitted: 11 months ago.
Category: Home Improvement
Expert:  JamesI replied 11 months ago.

This would suggest a pump blocked or critical failure in the pump itself.

I would look to get the pump serviced.

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