| Code | Meaning | Immediate Action | | :--- | :--- | :--- | | | Door lock failure | Check if door is completely closed; inspect latch. | | E3 | Drain issue (clogged pump) | Clean the drain filter (see Section 4). | | E5 | Inlet water temperature sensor | Check water supply hoses; ensure both hot and cold are open. | | F21 | Long drain (over 8 minutes) | Check kinked drain hose or blocked standpipe. | | Ud | Unbalanced load | Pause cycle, redistribute clothes manually. |
of the manual for a specific Mastertech model, or are you trying to troubleshoot a specific error code Mastertech Washing Machine Manual & Troubleshooting mastertech washing machine manual
Check for kinks in the drain hose or blockages in the pump filter. Lowering the hose below the machine level temporarily can help gravity assist the drainage. | Code | Meaning | Immediate Action |