This guide is not a substitute for the original manual. Always keep the official documentation near the machine and ensure all operators have completed Wittmann-approved training.

Only Wittmann service technicians have access. Contact your local Wittmann Battenfeld office.

You have a leak in the mold or hose. Or the auto-vent valve is stuck open.

Install a pressure relief valve set to 4 bar on the mold return line. Do not rely on the unit’s main relief.