Troubleshooting
Troubleshooting
NOTE:
If an error code displays, see Alarms on page 23.
NOTE:
The sprayer operates using air pressure. Many prob- lems are caused by inadequate air supply. The inlet air pressure gauge cannot drop below 50 psi (0.35 MPa, 3.5 bar) while running.
Problem | Cause | Solution | |
|
|
| |
|
|
| |
Display not lit on system with alternator | Air valve not turned on. | Turn on main air valve to system. | |
power supply. |
|
| |
Air supply pressure too low. | Increase pressure to 30 psi (0.21 MPa, | ||
| |||
No electric power. |
| 2.1 bar) or greater. | |
|
|
| |
| Air supply filters plugged. Inlet manifold | Clean filter bowls; replace filter elements. | |
| filter (604) or air regulator (344) filter | Page 31. | |
| plugged. |
| |
|
|
| |
| Turbine air regulator (277) set too low. | Adjust to 18 +/- 1 psi (12.6 +/- 10 kPa, | |
|
| 1.26 +/- 0.07 bar). | |
|
|
| |
| Alternator turbine failure. | Repair or replace turbine. Page 38. | |
|
|
| |
| Power supply not connected to main | Check power connections to main board. | |
| board. | See Electrical Schematics, starting on | |
|
| page 47. | |
|
|
| |
| Display board failure. | Replace display board. Page 36. | |
|
|
| |
Display not lit on system with alternator | Faulty CAN cable (268). Or CAN cable is | Check cable and replace. See Alternator | |
power. Green light is present on FCM | disconnected. | Assembly, page 72. | |
(218) and USB (219), but no green light is |
|
| |
Faulty display module. | Replace display module. See User Inter- | ||
present on back of display module (204). |
| face/Control Box, page 32. | |
|
| ||
|
|
| |
Display not lit on system with wall power | No electric power. Disconnect “off” or | Reset main disconnect and breaker. | |
supply. No green light present on back of | breaker “open.” |
| |
display module (204). |
|
| |
No green lights present on display, FCM, | Check for 24 Vdc on J1, pins 2 and 3, of | ||
| |||
| or USB module. | power supply. See Electrical Schemat- | |
|
| ics, starting on page 47. If there is not 24 | |
|
| Vdc, replace with 15V747. | |
|
|
| |
| No display power through CAN cable | Check CAN cable. Replace if necessary. | |
| (266). Green light in present on FCM | See Wall Power Supply Assembly, | |
| (218), but is not present on USB module | page 73. | |
| (219). |
| |
|
|
| |
| Green light is present on USB module | Check CAN cable (274). Replace if nec- | |
| (219). | essary. See Wall Power Supply Assem- | |
|
| bly, page 73. | |
|
|
| |
Display not lit on system with wall power | Display module failed. | Replace display module. See User Inter- | |
supply. Green light is present on back of |
| face/Control Box, page 32. | |
display module (204). |
|
| |
|
|
|
20 | 313289S |
