24
✓
If the temperature controller display reaches 90
º
F and the fan
does not start, the controller is defective.
✓
If the fan does not start within 90 seconds of the burner
starting, the fan timer is defective.
✓
If the temperature at the fan 110⁰F Disc is over 110⁰F and the
fan does not start, the 110
º
F fan disc is defective.
➢
Note:
It is very unlikely that all 3 components would be defective at the same time. If the
circulating fan fails to start, likely it would be the circulating fan motor or the (R1) relay
The EB400D is equipped with redundant controls to ensure positive starts for
the circulating blower fan.
If the fan is starting intermittently, erratically or inconsistently…