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poolguy810
poolguy810, owner - pool and spa service company
Category: Pool and Spa
Satisfied Customers: 1671
Experience:  Servicing pools and all brands of spas for over 28 years.
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When connecting electrical to the new raypak 406a pool

Customer Question

When connecting electrical to the new raypak 406a pool heater makes a loud humming notice. Control panel does not come on. Connecting with 120 volt supply . Any help would be appreciated.
Submitted: 6 months ago.
Category: Pool and Spa
Expert:  Rick replied 6 months ago.

Which leads on the unit did you connect to the line voltage feed?

Customer: replied 6 months ago.
Green, white black. For 120 volt
Expert:  Rick replied 6 months ago.

Well, I thought it might have been wired wrong. Usually a hum is from the transformer. A loud hum and no control panel makes me wonder if you have a bad transformer. Do you have 24 vac from the transformer?

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