TS-8: Troubleshooting Inducer Fan Problems

Is there a soft lockout error #17 or Hard Lockout 19?

#B6

When the boiler is powered up (turned on) does the inducer fan run for a short time and turn off?

#B13

Create a heat or DHW demand by turning up a thermostat or running enough hot water from the tank. Did the inducer fan start?

#I6

Touch the status button on the display. Scroll right with the right arrow button until you see “Trends”. Touch the “Fan Rate” button. In the upper right hand side of the screen are teo sets of numbers are they about the same?

#P6

Ignore as it is normal if the boiler shuts down while the inducer fan is in the process of changing speeds when the boiler shuts down.

#O13

Does not appear to be a problem with the inducer fan.

#X6

Unplug the 4 wire connector from the induced draft blower. Does the fan ramp up to full speed?

#W13

Unplug the 3 wire connector to the fan assembly. Test voltage from Black to White. Is 120Vac present?

#AC13

Replace the inducer fan.

#AH6

On the same 3 wire connector check Black to Green. Is 120Vac present?

#AJ13

Check neutral wire in junction box.

#AP13

Verify the black wire is 120Vac hot, white is 120Vac neutral and green is the ground wire.

#AU13

 

#A70

#A134