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| Alarms |
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Alarm |
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Code | Alarm Problem | When Active | Cause | Solution |
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P4A | Pressure high | Always | Fluid pressure is above maxi- | Decrease main air regulator or |
P4B |
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| mum. | feed pump pressure. |
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DAA | Pump runaway, above 80 | Always | No material in pump or lines; no | Refill material in tank or hoses; |
DAB | cpm for 10 sec. |
| fluid restriction. | install fluid tip. |
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DDA | Pump cavitation; dives more | Always | No fluid or valve closed. | Refill supply and open inlet |
DDB | than 3/4 of stroke. |
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| valve. |
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| Material is too cold or thick. | Increase material temperature |
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| to reduce viscosity. (See Heat |
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| Fluid section in manual |
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| 312359.) Shear material with |
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| agitation to reduce viscosity. |
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| Pump inlet check valve not | Clear debris from check valve. |
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| closing. | Or replace ball, seat, and seal. |
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| See Pump Assembly, page |
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| 44. |
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| Feed pump not providing mate- | Check feed pump (if used). |
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| rial. |
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| Inlet strainer plugged (if used). | Check and clean strainer. See |
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| Pump Assembly, page 44. |
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P1A | Pressure low. | Spray, Pump | Fluid pressure is below 1000 | Increase main air regulator. |
P1B |
| Test, Leak Test | psi (7 MPa, 70 bar). |
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P4R | Pressure high. | Recirculation | Pressure is above maximum | Decrease pump air regulator |
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| advisory limit of 3000 psi (21 | pressure. |
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| MPa, 210 bar) on A side. |
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P5R | Pressure high. | Recirculation | Pressure is above maximum | Decrease pump air regulator |
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| warning limit of 5200 psi (35.9 | pressure. |
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| MPa, 359 bar) on A side. |
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P9A | A pump pressure is abnor- | Spray | A air motor is icing up causing | Open the air motor |
| mally low compared to B |
| restriction and lower fluid pres- | air controls. Allow ice to melt. |
| pump pressure. |
| sure. | Dry compressed air. Heat com- |
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| pressed air. |
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| Use a smaller tip. |
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| A pump is binding. | Repair lower. See Remove |
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| Displacement Pump, page 44. |
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| A motor is hanging up. | Repair air motor. See Remove |
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| Air Motor, page 45. |
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P9B | B pump pressure is abnor- | Spray | B air motor is icing up causing | Open the air motor |
| mally low compared to A |
| restriction and lower fluid pres- | air controls. Allow ice to melt. |
| pump pressure. |
| sure. | Dry compressed air. Heat com- |
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| pressed air. |
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| Use a smaller tip. |
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| B pump is binding. | Repair lower. See Remove |
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| Displacement Pump, page 44. |
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B3A | Dosing size A advisory | Spray | The fluid dosing size is greater | Adjust the B side fluid restric- |
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| than 35 cc when fast dosing is | tion. |
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| turned off. |
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| The fluid dosing size is greater | Decrease the air motor velocity |
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| than 20 cc when fast dosing is | with a smaller tip. |
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| turned on. |
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313289S | 25 |
