28
Troubleshooting
SYMPTOM CAUSE POSSIBLE SOLUTION
No power to controller (Does
not beep when plugged into
outlet).
Not plugged into outlet. Plug into power source.
House breaker tripped. Reset breaker.
Bad connection at controller. Unplug connection and reconnect. Reference controller
access instructions.
Bad connection at PCB (Power Circuit
Board).
Unplug connection and reconnect. Reference PCB
access instructions.
Faulty Component Call Masterbuilt for replacement 1-800-489-1581.
Power light not on (controller
beeps when plugged in).
Smoker is not powered on. Press on/off button.
Faulty Controller. Call Masterbuilt for replacement 1-800-489-1581.
Main heating element light
not on
Temperature is not set. Set temperature wait 30 seconds for heating light to
turn on.
Cabinet Temperature is above set
temperature.
Allow smoker to cool down to set temperature.
Faulty Controller. Call Masterbuilt for replacement 1-800-489-1581.
Main heating element is
not on but bottom heating
element light is on
Bad connection at main element. Unplug connection and reconnect. Reference main
element access instructions.
Bad connection at main HTL (High Temp
Limit Safety Shut-Off).
Unplug connection and reconnect. Reference main HTL
access instructions.
Bad connection at controller. Unplug connection and reconnect. Reference controller
access instructions.
Faulty component Call Masterbuilt for replacement 1-800-489-1581.
Meat probe thermometer does
not read on controller.
Meat probe thermometer not plugged
in or not fully pushed into meat probe
thermometer jack.
Push meat probe thermometer plug fully into meat probe
thermometer jack. Reference assembly step 20.
Bad connection from meat probe socket
to controller
Unplug connection and reconnect. Reference controller
access instructions.
Faulty component Call Masterbuilt for replacement 1-800-489-1581.
Meat probe thermometer
temperature is not accurate.
Perform meat probe thermometer
temperature verification.
Reference meat probe thermometer verification
instructions. Meat probe thermometer has a +/-5°F
(2.78°C) tolerance.
Faulty component Call Masterbuilt for replacement 1-800-489-1581.
Cabinet temperature is not
accurate, displays ERR01 or
displays F.
Bad connection at the Bottom element
temperature sensor.
Unplug connection and reconnect. Reference main
temperature sensor access instructions.
Perform meat probe thermometer
temperature verification.
Reference meat probe thermometer verification
instructions. Meat probe thermometer has a +/-5°F
(2.78°C) tolerance.
Perform cabinet temperature verification. Reference cabinet temperature verification instructions.
Cabinet temperature has a +/-15°F (8.33°C) tolerance of
average cabinet temperature.
Faulty component Call Masterbuilt for replacement 1-800-489-1581.
Custom smoke element light
not on
Custom smoke setting not set Set custom smoke setting, reference setting custom
smoke.
Faulty component Call Masterbuilt for replacement 1-800-489-1581.
Grill + Finish heating element
light not on
Temperature is not set. Set temperature wait 60 seconds for heating light to
turn on.
Faulty Controller. Call Masterbuilt for replacement 1-800-489-1581.
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