Masterbuilt Error Codes

Pick the code your Masterbuilt appliance is showing. Each page explains what the code means, the most likely causes ranked by probability, and which fixes are safe to try before calling a technician.

Masterbuilt Charcoal Grill Codes

• Err 1 Err 1 on a Masterbuilt Gravity Series 600 means the grill's temperature probe is not fully plugged in to the controller.
• Err 2 Err 2 on a Masterbuilt Gravity Series 600 means a meat probe has malfunctioned, and the manual sends you to Masterbuilt Customer Service.
• Err 3 Err 3 on a Masterbuilt Gravity Series 600 means the grill has overheated, and the manual names a grease fire or a fan malfunction as the things to look for.
• Err 4 Err 4 on a Masterbuilt Gravity Series 600 means the charcoal failed to ignite, and the manual gives a five-point checklist before you restart.
• Err 5 Err 5 on a Masterbuilt Gravity Series 600 means a meat probe is reading above 300°F — hotter than it is meant to measure.