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error Bunn
Error Code E1
Water temperature is too low — the brewing temperature has dropped below the optimal range.
? What Causes This
Heating element malfunction, insufficient warm-up time, or cold water supply.
✓ How to Fix It
- Ensure the coffee maker has warmed up for at least 15 minutes before brewing.
- Check that the water reservoir is filled with fresh, cold water.
- If error persists, contact authorized service center.
This error code appears in:
Bunn Coffee Maker