1. Machine Set-up Bottom plate too low Mould open/close speed incorrect Insufficient Mould Cooling 1. Machine Set-up Raise bottom plate to correct height Adjust mould open/close to correct speed Increase Mould Cooling 2. Mould Equipment Vertiflow holes too far from cavity ( Hot Moulds ) Damaged Mould Dirty Moul 2. Mould Equipment Refer to Verti-therm for correct analysis Change Mould