Pressure Control Repair
Digital Display Messages
Relieve pressure before repair; page 6. No display does not mean that sprayer is not pressurized.
DISPLAY | SPRAYER | INDICATION |
| ACTION |
| OPERATION |
|
|
|
|
|
|
| |
No Display | Sprayer may be pressurized. | Loss of power or display | Check power source. Relieve | |
|
| not connected | pressure before repair or dis- | |
|
|
| assembly. Verify display is | |
|
|
| connected. | |
|
|
|
| |
| Sprayer may be pressurized. | Pressure less than | Increase pressure as needed | |
|
| 200 psi (14 bar, 1.4 MPa) |
|
|
|
|
|
| |
psi | Sprayer is pressurized. Power is ap- | Normal operation | Spray | |
plied. (Pressure varies with tip size and |
|
|
| |
bar |
|
|
| |
pressure control setting.) |
|
|
| |
MPa |
|
|
| |
|
|
|
| |
| Sprayer stops. Engine is running. | Exceeded pressure limit | Remove any filter clogs or | |
|
|
| flow obstructions. Make sure | |
|
|
| gun trigger is locked open if | |
|
|
| using AutoClean valve. | |
|
|
|
| |
| Sprayer stops. Engine is running. | Pressure transducer faulty, | Check transducer connections | |
|
| bad connection or broken | and wire. Replace transducer | |
|
| wire. | or control board, if necessary. | |
|
|
|
| |
| Sprayer stops. Engine is running. | High clutch current | 1. Check clutch | |
|
|
|
| head connector. Clean |
|
|
|
| contacts. |
|
|
| 2. | Measure 1.7 ±0.2Ω |
|
|
|
| across clutch field at 70_F |
|
|
| 3. Replace clutch field as- | |
|
|
|
| sembly |
|
|
|
| |
| Sprayer stops. Engine is running. | High clutch temperature | 1. If clutch is new, let spray- | |
| Display alternates E=06. |
|
| er cool down and then re- |
|
|
|
| start |
|
|
| 2. | Inspect clutch. Replace |
|
|
|
| clutch if there is excessive |
|
|
|
| wear. |
|
|
| 3. Remove pump pin, sepa- | |
|
|
|
| rate pinion housing from |
|
|
|
| clutch housing. Rotate |
|
|
|
| rotor clockwise to check |
|
|
|
| for excessive drag. |
|
|
|
| |
| Sprayer stops. Engine is running. | Pressure greater than | 1. Flush paint from hose be- | |
|
| 2000 psi (138 bar, 14 MPa) |
| fore operating Flush Timer |
|
| while in Flush Timer Mode |
| Mode |
|
|
| 2. Verify AutoClean is acti- | |
|
|
|
| vated and gun valve and |
|
|
|
| prime valve are open |
|
|
|
|
|
After a fault, follow these steps to restart sprayer:
1.Correct fault condition
2.Turn sprayer OFF
3.Turn sprayer ON
309411 15
