Alarms
Alarm Codes and Troubleshooting
Alarm |
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Code | Alarm Problem | When Active | Cause | Solution |
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| General Performance Alarms |
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R4B | Ratio High B (Overdose B), | Spray | B Dosing valve not closing. | Perform Pump Test to test for |
| system delivering too much B |
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| leakage. See Pump and Meter- |
| component. |
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| ing test in manual 312359. |
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| Loosen valve packing nut. |
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| Check air signal at valve top |
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| Repair valve or air solenoid. |
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| See Replace Solenoid Mod- |
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| ule, page 32. |
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| No B restriction at mix manifold. | Increase B Restriction by turn- |
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| ing B restrictor stem clockwise. |
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| See Adjust B Mix Manifold |
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| Restriction in manual 312359. |
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| Pump filter plugged on A side. | Clean filter. See manual |
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| 311762. |
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| Use alternate 30 mesh screen. |
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| See manual 311762 for part |
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| number. |
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| Inlet air dropping below 80 psi | Check air filters. See Air Con- |
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| (0.55 MPa, 5.5 bar) while spray- | trols, page 40. |
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| ing. B dosing valve not closing |
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| Use larger air hose. | |
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| correctly. | |
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| Use larger compressor. | |
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| Use smaller gun tips or less |
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| guns to reduce flow rate. |
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| Solenoid air regulator set below | Adjust air regulator. |
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| 80 psi (0.55 MPa, 5.5 bar) |
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R1B | Ratio Low B (under dose B); | Spray | B dosing valve will not open. | Check for air signal to valve. |
| system delivering not enough |
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| B mix manifold valve closed. | Open green mix manifold valve. | |
| B component. |
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| Pump filter plugged on B side. | Use alternate 30 mesh screen. | |
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| See manual 311762 for part |
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| number. |
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| Clean B pump outlet filter. See |
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| manual 311762. |
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REC | System detected five R4B | Spray | See R4B or R1B alarm causes. | See R4B or R1B alarm solu- |
| (ratio high B) or five R1B |
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| tions. Flush mixed material if |
| (ratio low B) alarms within five |
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| necessary, and purge |
| minutes. Sprayer shuts down |
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| mixed material in hose. |
| for five minutes to resolve |
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| problem. |
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FHA | System detects pump move- | Spray | Recirculation valve or dosing | Close or repair recirculation |
FHB | ment (fluid flow) when valves |
| valve open or leaking for more | valve, and run Pump Test. See |
| are closed. |
| than 5 seconds. | Pump and Metering test in man- |
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| ual 312359. See Mix Manifold |
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| Assembly, page 42. |
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R2D | Dosing sizes are not opti- | Spray | Dosing valve is operating near | Adjust mix manifold B restrictor |
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| high or low timing limits. | stem clockwise or counter |
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| clockwise as indicated by bar |
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| graph on restrictor screen. See |
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| Adjust B Mix Manifold Restric- |
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| tion in manual 312359. |
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24 | 313289S |
