|
| Troubleshooting |
| Troubleshooting | |
|
|
|
Problem | Cause | Solution |
|
|
|
|
|
|
E=XX is displayed | Fault condition exists | Determine fault correction from table, page 15 |
Engine will not start | Engine switch is OFF | Turn engine switch ON |
|
|
|
| Engine is out of gasoline | Refill gas tank. Honda Engines Owner's Man- |
|
| ual. |
|
|
|
| Engine oil level is low | Try to start engine. Replenish oil, if necessary. |
|
| Honda Engines Owner's Manual. |
|
|
|
| Spark plug is disconnected or damaged | Connect spark plug cable or replace spark plug |
|
|
|
| Cold engine | Use choke |
|
|
|
| Fuel shutoff lever is OFF | Move lever to ON position |
|
|
|
| Oil is seeping into combustion chamber | Remove spark plug. Pull starter 3 to 4 times. |
|
| Clean or replace spark plug. Start engine. |
|
| Keep sprayer upright to avoid oil seepage |
|
|
|
False tripping of WatchDog system. | Operating conditions out of WatchDog | Turn pressure down. Contact Graco Technical |
EMPTY is displayed. Pump does not | parameters | Assistance to adjust WatchDog parameters. |
run. | Pump output is low, page 7. | Operate without WatchDog active; Manual |
|
| 310892. |
|
|
|
Engine operates, but displacement | Error code displayed | Reference Pressure Control repair, page 15 |
pump does not operate |
|
|
Pump switch is OFF | Turn pump switch ON | |
|
|
|
| Pressure setting too low | Turn pressure adjusting knob clockwise to |
|
| increase pressure. |
|
|
|
| Fluid filter (56) is dirty | Clean filter. Page 28. |
|
|
|
| Tip or tip filter is clogged | Clean tip or tip filter. Manual 309639. |
|
|
|
| Displacement pump piston rod is stuck | Repair pump. Manual 310894. |
| due to dried paint |
|
|
|
|
| Connecting rod is worn or damaged | Replace connecting rod. Page 8. |
|
|
|
| Drive housing is worn or damaged | Replace drive housing. Page 9. |
|
|
|
| Electrical power is not energizing clutch | Check wiring connections. Page 12. |
| field | Reference Digital Display Messages. Page 15. |
|
| |
|
| Reference wiring diagram. Page 29. |
|
| With pump switch ON and pressure turned to MAXI- |
|
| MUM, use a test light to check for power between clutch |
|
| test points on control board. |
|
| Remove clutch wires from control board and |
|
| measure resistance across clutch coil. At 70° F, |
|
| the resistance must be between 1.2 +0.2Ω; if |
|
| not, replace pinion housing. |
|
| Have pressure control checked by authorized |
|
| Graco dealer |
|
|
|
| Clutch is worn, damaged, or incorrectly | Adjust or replace clutch. Page 10. |
| positioned |
|
|
|
|
| Pinion assembly is worn or damaged | Repair or replace pinion assembly. Page10. |
|
|
|
6 | 310893L |