Your Z-axis adaptor board has failed and the machine won't move on Z. This is the exact V1.0 replacement for the Two Trees TTC450 Pro, model TL9000. Direct swap — pull the dead board, slot this in, sorted. $20.39 RRP
| brand | Two Trees |
| retailer | Jaycar |
| category | Electronics & Components |
| subcategory | Tools & Soldering |
| rrp_aud | 20.39 |
| type | Replacement Board |
| board | Z-Axis Adaptor |
| version | V1.0 |
| compatible_machine | Two Trees TTC450 Pro (TL9000) |