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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Only 90 volts to my HSI. The HSI has acceptable ohms. What's

Customer Question

Only 90 volts to my HSI. The HSI has acceptable ohms. What's going on
Submitted: 1 month ago.
Category: HVAC
Customer: replied 1 month ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call.
Customer: replied 1 month ago.
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Expert:  Rick replied 1 month ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

Generally inadequate voltage to the HSI is due to a bad connection or a bad board. Check the HSI voltage back at the board. If you still get 90 vac then you probably need a new board assuming you have 120 vac to the unit.