Quick Fix: Air Diaphragm Pump Not Activating or Making Sound.
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Potential Causes | Solutions |
| Mouth of the input hose is not fully immersed in syrup or the hose is clogged. | Clean the hose. Then make sure the mouth of the hose is fully in the syrup. |
| Loose inlet manifold, damaged seal between manifold and seat or damaged o-ring. | Tighten or replace (Here are parts) |
| Diaphragm is ruptured | Replace the diaphragm (Here are parts) |