Question about Bosch 2700ES Natural Gas AquaStar AquaStar 2700ES Tankless Water Heat
I installed the unit myself and on power on got a C7 error msg.
According to the manual, the primary fan is not rotating.
I checked the power supply and grounding as well as visually inspected the unit inside to make sure there are no loose cable connections.
Any help is appreciated.
Hope this helps. Be careful of electrical shock!
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Posted on Jan 30, 2009
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Posted on Jan 02, 2017
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