Masterbuilt MB20040722 User Manual

Troubleshooting
PROBLEM REASONS SOLUTIONS
Grill is not getting up to
temperature.
Charcoal is not lit.
Charcoal low.
Ash buildup in the charcoal hopper and
manifold.
Each setting will vary with outside temperature,
food qty. and type of charcoal being used.
Low or depleted battery.
Fan is not working properly.
Check the charcoal, re-run
lighting procedure.
Add charcoal to keep the temperature up.
Cleanout old ash from both the hopper and
manifold.
Turn knob to a higher setting.
Replace the batteries.
Replace fan.
Fan is not working. Temperature setting is reached.
Wires are disconnected or broken.
Thermostat malfunction.
Failed power supply.
Controller knob is set too low.
Fan malfunction.
Turn control knob to higher setting.
If adjusting the knob does not solve the problem
follow below steps:
If grill plugged into power supply then unplug
power supply and install batteries. If this solves
the problem then get a new power supply.
If grill is only using batteries then plug in power
supply. If this solves the problem then get new
batteries. If new batteries still do not work then
get a new battery box and PCB.
Check and re-connect the wires.
Replace thermostat.
Check and replace the power
adapter or batteries.
Replace the fan.
Knob is not working. Wires are disconnected or broken.
Thermostat malfunction.
Check and re-connect the wires.
Replace thermostat.
Batteries Wrong positive and negative
position.
Low or depleted battery.
Battery box wiring.
Correct the positive and negative battery
position.
Replace the batteries.
Replace the battery box.
15
Wiring Diagram

Masterbuilt MB20040722 Specifications

General

Brand	Masterbuilt
Model	MB20040722
Category	Grill
Language	English