Troubleshooting
Internal Air Valve-Operated Pumps Only
PROBLEM | CAUSE | SOLUTION |
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The pump will not cycle, or it cycles | The air valve is stuck or dirty. | Disassemble and clean or repair the |
once and stops. |
| air valve. See page 12. |
|
| Use filtered air. |
| Not enough air pressure supplied. | Increase air pressure supply. Do not |
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| exceed maximum input pressure. |
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Remote Solenoid-Operated Pumps Only
PROBLEM
CAUSE
SOLUTION
The pump will not prime or loses prime.
The cycle rate is too low. | Increase cycle rate to 60 cpm. |
The check valves (20) are not | Inspect the check valves, and |
sealing. | replace them if worn or damaged. |
| See page 14. |
Fluid manifold not mounted with OUT | |
port up. | port is up. |
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The pump leaks air or does not | Air is supplied to Port A and Port B | Replace both diaphragms (30). |
operate. | at the same time. | See page 13. |
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| Check your installation. See |
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| page 7. |
| Solenoid exhaust is plugged. | Ensure that exhaust (G on page 7) |
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| is free of obstructions. |
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