Progressive Industries EMS-PT error code E 3
High Voltage (EMS-PT30X) / Line 1 High Voltage (EMS-PT50X). Stepped shutdown: >132V & <140V after 3 s; >140V & <156V after 1 s; >156V within 60 ms.
What to check, and in what order, is in the app. The flow RV surge protector / EMS fault lookup walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- Progressive Industries EMS-PT30X & EMS-PT50X Instruction Manual (Electrical Management System)
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