Quick Fix: Air Diaphragm Pump Not Activating or Making Sound.
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Potential Causes | Solutions |
| Suction line is clogged | Inspect and clear. This often happens when the initial slurry mixture of DE and syrup is too thick. The slurry should be soupy. |
| Mouth of hose is obstructed | Pull the mouth of the hose away from the floor of the vessel |
| Check valve balls are sticky or leaking | Clean or replace (Here are parts) |
| Restricted exhaust | Remove the restriction (Detailed Instructions) |
| Diaphragm is ruptured | Replace the diaphragm (Here are parts) |