Landmann
Intermittent Temperature Signal
Display temperature jumps erratically up and down by 50–100°F within seconds.
Advertisements
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.
Advertisements
Possible Causes
Loose RTD connector at control board, Damaged RTD cable with intermittent short, Electrical noise from nearby devices, Failing control board ADC circuit
How to Fix / Troubleshooting
Safety first: Unplug the grill before accessing the control panel or RTD wiring.
- Step 1 – Reseat RTD connector: Disconnect and reconnect the RTD plug at the control board several times to clean contacts.
- Step 2 – Inspect cable: Flex the RTD cable gently along its length while watching the display (with power on). If temperature jumps when the cable is moved, replace the RTD.
- Step 3 – Reduce interference: Avoid running high‑power devices on the same circuit if possible.
- Step 4 – Replace board if needed: If a new RTD does not resolve erratic readings, the control board may be defective.
Advertisements
Repair Difficulty
Medium
3/5
Required Part
RTD Temperature Probe
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements