[Richard]

No

But if there is pressure in the system, then this could be clue about the air leak. If there is pressure in the system AND the check valve is chattering, the air is passing into the sub system that supplies air to the potties, doors, and slide out air seals. Meaning, the leak is in the plumbing around the 12V pump, the regulator, air lines leading to potties, doors, and slide seals.