Troubleshooting
Troubleshooting
NOTE: Check all possible remedies before disassembling the system.
System Troubleshooting
Problem | Cause | Solution |
Unit will not operate. | Inadequate power supply. | See Technical Data, page 61. |
| Power switch is off. | Turn switch on. |
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| Main power is shut off. | Turn main power switch on. |
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| Exhausted fluid supply. | Refill and reprime pump. |
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| Clogged fluid outlet line, valves, | Clear. |
| etc. |
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| Fluid dried on piston rod. | Disassemble and clean pump. |
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| See pump manual. In future, stop |
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| pump at bottom of stroke. |
Pump output low on both strokes. | Inadequate power supply. | See Technical Data, page 61. |
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| Exhausted fluid supply. | Refill and reprime pump. |
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| Clogged fluid outlet line, valves, | Clear. |
| etc. |
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| Worn piston packings. | Replace. See pump manual. |
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Pump output low on only one | Held open or worn dosing valves. | Check and repair. See pump |
stroke. |
| manual. |
| Worn piston packing. | Replace. See pump manual. |
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No output. | Improperly installed dosing valves. | Check solenoid connections to |
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| valves. See pump manual. |
Pump operates erratically. | Exhausted fluid supply. | Refill and reprime pump. |
| Held open or worn dosing valves. | Check and repair. See pump |
|
| manual. |
| Worn piston packing. | Replace. See pump manual. |
10 | 332709B |