ERR FLOW
Twin Eagles
Airflow / Pressure Switch Fault
Display shows ERR FLOW or an airflow error; the grill may shut down shortly after an ignition attempt.
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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
Blocked exhaust or intake vents, Failed airflow or pressure switch (if equipped), Combustion fan not running, Excessive ash restricting air passages.
How to Fix / Troubleshooting
Safety first: Turn OFF and unplug the grill. Allow it to cool before cleaning or accessing internal parts.
Steps to troubleshoot airflow errors:
- 1. Inspect exhaust: Check the chimney or rear vent for obstructions such as foil caps, nests, or heavy creosote buildup. Clean as needed.
- 2. Clean intake and fire pot: Vacuum ash from the fire pot, burn pot housing, and any intake openings. Ash can severely restrict airflow.
- 3. Verify combustion fan operation: Listen for the fan during startup. If silent, troubleshoot the fan as you would for an ERR FAN error.
- 4. Check airflow/pressure switch: If your Twin Eagles model uses a pressure or airflow switch, locate it along the combustion air path. Inspect the tubing for cracks or blockages and ensure electrical connections are secure.
- 5. Replace faulty switch: If the switch does not change state when the fan runs (test with a multimeter), replace it with a compatible airflow/pressure switch.
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Repair Difficulty
Medium
3/5
Required Part
Airflow / Pressure Switch
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