Furnace Blower Motor Relay Test

This video will show you how to properly diagnose your blower by using the multime. In a blower motor the relay supplies the power that allows the fans to circulate warmed air. Blower motor relays tend to wear out over time from the.

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I go over how to read the ratings for time how to.

Furnace blower motor relay test.

Essentially an on off switch the blower motor relay s reactions start and end the heating process in hvac systems by controlling the flow of current between the power source and the motor. The relay by the fuses clicks when i turn the fan control knob from 0 to 1. Hvac blower fan test diagnosis faqs q a on fixing the air handler fan questions. I d start by.

Sounds like a stuck fan relay or shorted wires to the relay. Reader questions responses help. Sounds like a bad blower fan switch relay or limit switch. The blower motor is crucial to the proper functioning of your hvac system.

Hvac blower fan testing diagnostic questions answers.