To avoid serious injury follow all warnings and instructions in the manual. Wear appropriate personal protective equipment.
Ensure material flow is equally restricted on both material lines.
Press the Settings key and check setting 4, the pressure imbalance alarm threshold. Make sure it is high enough to prevent unnecessary alarms. Setting 3 turns the alarm on or off.
Check feed pump and hoses for blockage. Check that feed pumps have correct air pressure.
Check if heater and PRESSURE RELIEF/SPRAY valve are plugged. Clear/Replace rupture disk. Do not replace with a pipe plug.
Refill tanks/barrels with material