ERR7
Yoder Smokers
Controller Output / Relay Failure
Controller displays ERR7 and grill will not maintain set temperature
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed relay on main control board, Damaged controller due to power surge, Internal controller short, Loose controller harness connections
How to Fix / Troubleshooting
Safety first: Disconnect power before removing the controller from the grill.
- Inspect controller connections: Remove the controller mounting screws and gently pull the controller out. Verify all harness plugs are fully seated and locked.
- Check for visible damage: Look for burn marks, swollen components, or corrosion on the controller PCB. Any visible damage indicates the controller should be replaced.
- Verify supply voltage: Confirm that the grill is receiving proper line voltage at the power cord and into the controller using a multimeter (qualified persons only).
- Reset and test: Reinstall the controller, restore power, and attempt to start the grill. If ERR7 reappears immediately and all external components (fan, auger, igniter, RTD) test good, replace the main control board.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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