Troubleshooting
Troubleshooting
WARNING
Read warnings, page
If an alarm code displays, see page 13.
Problem | Cause | Solution |
|
|
|
|
|
|
Display not lit. | Air valve not turned on. | Turn on main air valve to system. |
|
|
|
No electric power. | 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 | Check power connections to main board. |
| board. | See Electrical Schematic, page 22. |
|
|
|
| Main board not connected to display | Check electrical connections between |
| board. | 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 | Ensure that power cord is plugged in. |
| only). | 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. |
|
|
|
10 | 309909H |