Amana
Overheating / Thermostat Calibration Issue
Furnace runs but thermostat temperature overshoots setpoint by several degrees.
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Possible Causes
Thermostat miscalibrated, Thermostat located near cold draft, Incorrect cycle rate setting, Stuck gas valve (rare)
How to Fix / Troubleshooting
Safety: Turn off power before removing thermostat cover.
- Check thermostat settings: Adjust temperature swing or cycle rate for gas furnace per thermostat manual.
- Relocate thermostat: If installed on an exterior wall or near drafts, consider moving to an interior wall.
- Verify temperature with separate thermometer: Compare readings to confirm calibration.
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Repair Difficulty
Easy
2/5
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