Troubleshooting
SYMPTOM CAUSE POSSIBLE SOLUTION
Power light won’t come on Not plugged into wall Check wall connection
House breaker tripped Make sure other appliances are not
operating on the same electrical
circuit. Check household breakers.
Wire connector on controller not
properly connected to smoker
See step 5
Controller malfunctioning Contact Masterbuilt at
www.masterbuilt.com/pages/contact-us
Smoker takes excessive amount of
time to heat up (longer than 60-70
min)
Smoker plugged into an extension
cord
Set smoker so extension cord does
not have to be used
Door not closed properly Close door and fasten latch
securely
Controller malfunctioning Contact Masterbuilt at
www.masterbuilt.com/pages/contact-us
There is a gap between the door and
the smoker when in use and door latch
has no more adjustment
Door alignment Contact Masterbuilt at
www.masterbuilt.com/pages/contact-us
Damaged door seal
Grease is leaking out of smoker
through door and legs
Drip pan not in place Reposition so hole lines up with
drain hole in bottom of smoker
Excess grease or oil build-up in
smoker
Clean smoker
Drain tube in back of smoker is not
draining
Check drain tube positioning at
back of smoker
No smoke No wood chips Add wood chips
No smoke at low setting Not enough heat to induce smoking Increase temp to 275° F for 8 to 10
minutes, or when woodchips begin
to smolder then reduce to desired
low setting
Temperature rapidly decreased, or
shut down after a few hours of use
Internal wiring issue Contact Masterbuilt at
www.masterbuilt.com/pages/contact-us
Controller displaying error message Temperature sensor malfunctioning Contact Masterbuilt at
www.masterbuilt.com/pages/contact-us
Power light is on but smoker isn’t
heating
Element failure Contact Masterbuilt at
www.masterbuilt.com/pages/contact-us
Controller does not adjust heat Controller/smoker malfunctioning Contact Masterbuilt at
www.masterbuilt.com/pages/contact-us
Meat probe temperature does not
show on display
Meat probe malfunctioning Contact Masterbuilt at
www.masterbuilt.com/pages/contact-us
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