How do I fix PE Fault! (Code 25) on a myenergi?

SAFETY: Turn off supply before inspecting. Check earth terminal inside Zappi — confirm firmly connected and torqued 1.2-1.5 Nm. Then: Check earth cable continuity from Zappi PE terminal to main earth bar. If IT earthed supply, check Supply Grid / Earthing menu setting.

myenergi

ZP-005

PE Fault! (Code 25)

Problem with main earth connection. Earth disconnected or impedance too high. Safety-critical — unit will not charge.

Common causes

Earth cable disconnected or loose at Zappi terminalHigh earth impedanceIT earthed supply

What to check

STEP 1

SAFETY: Turn off supply before inspecting. Check earth terminal inside Zappi — confirm firmly connected and torqued 1.2-1.5 Nm.

STEP 2

Check earth cable continuity from Zappi PE terminal to main earth bar. If IT earthed supply, check Supply Grid / Earthing menu setting.

Escalate if

Earth confirmed correct, not IT earthed, fault persists — contact myenergi

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