Er14
US Stove
Mode or Configuration Error
Furnace shows Er14 and stops; may occur when switching operating modes or adjusting settings.
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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
Incorrect dip switch or jumper settings on control board, Incompatible thermostat wiring, Corrupted configuration memory, User-selected mode not supported by hardware
How to Fix / Troubleshooting
Safety first: Disconnect power before opening the control panel or adjusting board settings.
Steps:
- 1. Consult the manual: Refer to your specific US Stove furnace manual for the meaning of Er14 and the correct configuration for your model.
- 2. Check dip switches/jumpers: Locate the dip switches or jumpers on the control board. Verify they match the recommended positions for your fuel type, thermostat type, and installation.
- 3. Inspect thermostat wiring: Ensure the thermostat wires are connected to the correct terminals and are not shorted together. Remove the thermostat and temporarily jumper the appropriate terminals (per manual) to see if Er14 clears.
- 4. Perform a configuration reset: If supported, perform a configuration or factory reset using the procedure in the manual.
- 5. Replace control board if needed: If Er14 persists with correct settings and wiring, the control board configuration memory may be corrupted. Replacement by a qualified technician is recommended.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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