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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Echlon 9V furnace blower does not run. Changed Limit

Customer Question

Coleman Echlon 9V furnace blower does not run . Changed Limit switches. thermostat
Control board shows green light normal operation. What is wrong with furnance
Submitted: 1 year ago.
Category: HVAC
Expert:  BillyHvac replied 1 year ago.

Hello,

My name is Billy. Before we begin - do you have a meter if needed? Do you mind getting hands on?

Billy

Customer: replied 1 year ago.
No I do not have a meter. Will be willing to get hands on that not too difficult I had a serviceman come in and he said the small control board was receiving power but not transmitting signals Unable to order that board
Expert:  BillyHvac replied 1 year ago.

Usually it is a module on the rear of the motor. Does your motor have 2 sets of wires feeding it? Maybe 4 in one plug and 8-12 in another?

Customer: replied 1 year ago.
I have changed thermostat, and two limiting switches
Customer: replied 1 year ago.
Changed dirty filter
Expert:  BillyHvac replied 1 year ago.

Usually it is a module on the rear of the motor. Does your motor have 2 sets of wires feeding it? Maybe 4 in one plug and 8-12 in another?

Customer: replied 1 year ago.
Please cancel call. I have called the serviceman.