InverterFR-F800Verification pending — cross-check with the official manual
FR-F800 E.IPF — Instant Pwr failure
Trip — immediate stop
CAUSE
Why does it occur?
- If a power failure occurs for longer than 15 ms (this also applies to inverter input shut-off), the instantaneous power failure protective function is activated to trip the inverter in order to prevent the control circuit from malfunctioning
- If a power failure persists for 100 ms or longer, the fault warning output is not provided, and the inverter restarts if the start signal is ON upon power re
REMEDY · Step by step
How to fix it?
- Remedy the instantaneous power failure. Prepare a backup power supply for instantaneous power failure. Set the function of automatic restart after instantaneous power failure (Pr
- 57). (Refer to page 5-409, page 5-417.)
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
Summary based on the official Mitsubishi Electric manual. For accurate and complete information, always consult the official manual.
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