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When a solenoid valve leaks while it’s supposed to be closed, the leak can be through the internal seat or past body joints and connections. This guide shows safe, non‑pressurised checks, SKU‑level ODE gas valve limits to confirm before removal, and a single technician checklist to follow.

If your coffee machine is not filling, trace the water path step-by-step: tank, inlet, fill valve, and boiler. This guide gives plain-language checks, an owner observation sheet, and a technician pressure/voltage checklist with model-linked valve limits and replacement-only guidance for vibratory pumps.