Rev 3 Coffee Crafters -| Maintenance and Troubleshooting
41
Both Heat Elements Won’t Turn On
Problem
Cause(s)
Solution
Bean Loft motor
powers up but
elements won’t
turn on.
1.
Heat element switch
failed.
2.
Faulty connector on input
side of heat switch.
3.
Temperature controller
setting.
4.
Faulty temperature
controller.
1.
Replace heat element switch.
2.
Replace connector and heat switch.
3.
Check the roast air temperature control setting. Roast
air temperature must be set higher than your desired
ending bean temperature.
4.
Replace temperature controller.
Note: The system power switch supplies power to the
input of the heat switches when in t
he “on” position. If the
heat elements do not come on when the heat switch is
turned “on”, check the voltage on the output of the heat
switch (center terminal). If no voltage, replace switch.
Bean Loft Motor Runs at Full Speed Only
Problem
Cause(s)
Solution
Speed control
knob will not
reduce bean loft
motor RPM.
1.
SSR-3 has failed.
2.
Motor speed control
potentiometer has failed.
1.
Replace SSR-3.
2.
Replace motor speed control potentiometer.