Instructions / Assembly

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. Masterbuilt Customer Service
https://www.masterbuilt.com/pages/support
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
maintain the set temperature.
Fan disconnected from controller. Check that connection is fully seated.
Fan disconnected from wiring harness.
Err 3 See below.
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. Low charcoal. Refill hopper with charcoal.
Grill lid open. Close grill lid.
Fan not on. See “Fan not ON.”
Igniter will not ignite or slow
to ignite.
Igniter will not operate if grill
temperature is above 200F / 93 C
1. Ensure the igniter has no debris or obstructions.
2. Ensure that the firestarter and tray are fully inserted and
touching the igniter.
Err6: See Below.
Poor Wifi connection Weak signal. 1. Angle the antenna on back of controller to point at the ground
Controller restarts, enters
standby mode.
Electrostatic charge. When the
product is disturbed by electrostatic
discharge, the controller may restart,
then enter standby mode.
Controller needs to be restarted by the user to restore normal
operation, this phenomenon is normal.
Err 1 Temperature probe not fully plugged in. 1. Check that connection is fully seated.
2. Unplug controller from power supply, wait 10 seconds and
reconnect.
Err 2 Meat probe malfunction. Masterbuilt Customer Service
https://www.masterbuilt.com/pages/support
Err 3 Grill overheated. 1. Turn off grill.
2. Check for cause of overheat.
• Grease fire.
• Fan malfunction.
3. Restart grill.
Err 4 Charcoal failed to ignite. 1. Ensure hopper lid and lower hopper door are fully closed.
2. Ensure charcoal is not empty.
3. Ensure no old ash remains from previous use.
4. Fill hopper with charcoal before inserting firestarter.
5. Ensure the Ignition button was pressed and Igniter is
working
6. Restart grill.
Err 5 Meat Probe Temp above 300°F. 1. Using protective gloves, remove meat probe from grill.
2. Unplug from controller.
3. Allow meat probe to cool.
Err 6 Igniter malfunction 1. Turn off Grill
2. Unplug and Check connection of igniter
3. Restart Grill and Press the Igniter Button
4. Contact Customer Service if error persists
5. Check for debris on top of the igniter
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