If your kiln underfires with no error code:
- Cones placed wrongly in cone pack- angle is off.
- Small or wrong cones used
- Fired to the wrong cone
- Firing a Vary Fire custom program to too low a temp for the rate of climb
- TC offset adjustment needs to be set lower
- Kiln-sitter (if used) out of adjustment
- Kiln-sitter (if used) blobs the cone instead of bends it- replace kiln-sitter tube
- Lid/ Hinge out of adjustment- opens a bit in the front when hot.
