ERR2
Oklahoma Joe’s
RTD Temperature Probe Short Circuit
Controller displays ERR2 and grill shuts down or will not heat properly
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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
RTD probe wires shorted together, Moisture inside RTD probe or connector, Melted RTD cable insulation from contact with hot surfaces, Failed RTD temperature probe
How to Fix / Troubleshooting
Safety first: Disconnect power and let the grill cool completely.
- Inspect the RTD probe cable from the cook chamber to the controller. Look for melted insulation where the cable may have touched the barrel or firebox.
- Check that the RTD cable is not pinched under the lid or side shelf brackets.
- Open the controller access panel and unplug the RTD connector. Inspect for moisture, rust, or carbon buildup. Dry the connector thoroughly and clean with electrical contact cleaner if available.
- With the RTD unplugged, power the grill briefly. If ERR2 changes or clears, the RTD is likely shorted and should be replaced.
- Install a new OEM RTD temperature probe, route the cable away from hot surfaces, and secure it with high‑temp cable ties.
Warning: Never operate the grill with a known shorted temperature probe; this can cause uncontrolled overheating.
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Repair Difficulty
Medium
3/5
Required Part
RTD Temperature Probe
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