Product Info

32
Troubleshooting
SYMPTOM CAUSE POSSIBLE SOLUTION
Controller not ON. Power not ON. Press the power button on the
controller.
Not plugged in. Plug controller into power supply and
power supply into wall outlet.
Circuit breaker tripped. Check wall outlet circuit breaker and
reset if tripped.
Controller malfunction. Call Masterbuilt Customer Service.
Fan not ON. Temperature in cabinet has reached the
set temperature.
Once the set temperature is
reached the fan will turn off. Once
the temperature falls below the set
temperature the fan will restart. The
fan will continue adjusting itself
automatically to mainatin the set
temperature.
Hopper lid open. For safety, the hopper is equipped
with shut-off switches to prevent the
fan from stoking the fi re when these
doors are open. Closing the doors will
engage the switches, allowing the fan
to continue normal operation.
Ash door open.
Fan disconnected from controller. Check that connection is fully seated.
Fan disconnected from wiring harness.
Hopper lid switch disconnected.
Ash door switch disconnected.
Controller temperature inaccurate. Temperature probe not fully plugged in. Check that connection is fully seated.
Temperature probe is dirty. Carefully clean temperature probe.
Slow heating. Shutdown slides not removed. Remove shutdown slides.
Low charcoal. Refi ll hopper with charcoal.
Grill lid open. Close grill lid.
Fan not on. See “Fan not ON.”
Excessive smoke leaking from hopper. Loose seal at hopper lid. Tight hopper lid latch.
Loose seal at ash door. Tight ash door latch.
Loose seal between top and middle
hopper sections.
After hopper is cold, remove heat
shield and tighten screws between top
and middle hopper sections.
Err 1 Temperature probe not fully plugged in. Check that connection is fully seated.
Err 2 Meat probe malfunction. Call Masterbuilt Customer Service.
Err 3 Charcoal failed to ignite. 1. Ensure shutdown slides are
removed.
2. Ensure hopper lid and ash door are
fully closed.
3. Ensure charcoal is not empty.
4. Restart grill.
Err 4 Grill overheated. 1. Turn off grill.
2. Check for cause of overheat.
• Grease fi re.
• Fan malfunction.
3. Restart grill.