Grill never reaches high temperatures (e.g., stuck below 300°F)

Safety first: Let the grill cool before disassembly.

• Clean internals: Remove grates, diffuser, and drip tray. Clean ash from the fire pot and ensure air holes are open. Clean grease from the drip tray and diffuser.
• Check fan and vents: Verify the combustion fan runs strongly and that intake and exhaust vents are not blocked.
• Verify assembly: Reinstall the heat diffuser and drip tray according to the manual. Incorrect placement can trap heat away from the cook chamber.
• Increase feed: If your controller allows, slightly increase the P-setting or set a higher temperature to test whether the grill can climb.