InverterFR-A800Verification pending — cross-check with the official manual
FR-A800 E.LCI — 4 mA input fault
Trip — immediate stop
CAUSE
Why does it occur?
- The inverter output is shut off when the analog input current is 2 mA or less for the time set in Pr.778 4 mA input check filter
- This function is available when Pr.573 4 mA input check selection = "2 or 3". (Refer to page 535.) This protective function is not available in the initial status. • Chec
REMEDY · Step by step
How to fix it?
• Check the wiring for the analog current input. • Set the Pr.778 setting larger.
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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