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Troubleshooting
10 309909H
Troubleshooting
WARNING
Read warnings, page 5-6.
If an alarm code displays, see page 13.
Problem Cause Solution
Display not lit.
No electric power.
Air valve not turned on. Turn on main air valve to system.
Air supply pressure too low. Increase pressure to 60 psi (0.42 MPa,
4.2 bar) or greater.
Air supply filters plugged. Clean filter bowls; replace filter elements.
Page 15.
Turbine air regulator set too low. Adjust to proper setting.
Turbine alternator failure. Repair or replace turbine. Page 19.
Power supply not connected to main
board.
Check power connections to main board.
See Electrical Schematic, page 22.
Main board not connected to display
board.
Check electrical connections between
display and main board. See Electrical
Schematic, page 22, and 248349 Main
Control Board Schematic, page 23.
Display board failure. Replace display board. Page 18.
Power not connected to unit (non-IS units
only).
Ensure that power cord is plugged in.
Check that cord is connected properly;
see ProMix Easy Operation manual.
Pumps do not run. Air pressure to pumps too low. Increase pressure to 50 psi (0.35 MPa,
3.5 bar).
Solenoid valve stuck. Actuate solenoid manually, if it does not
operate, replace solenoid. Page 20.
Dispense valve(s) not opening. Service or replace valve(s). See 310655.
Pump test volume is not correct. Air pressure to pumps too low Increase pressure to 50 psi (0.35 MPa,
3.5 bar).
Sensors not functioning properly. Check position of sensors. See ProMix
Easy Operation manual, and applicable
pump manual.
Check board calibration and recalibrate if
necessary. See ProMix Easy Operation
manual.
Replace sensors. See pump manual
310671 or 310672.
Pump cavitating excessively. Check for air in lines caused by loose fit-
ting or use of agitator.
Material too viscous. Use heater.