InverterFR-A800Verified · sol.ls-electric.com
FR-A800 E.PTC — PTC thermistor operation
Trip — immediate stop
CAUSE
Why does it occur?
The inverter output is shut off if resistance of the PTC thermistor connected between terminal 2 and terminal 10 is equal to or higher than the Pr.561 PTC thermistor protection level setting for a continuous time equal to or longer than the setting value in Pr.1016 PTC thermistor protection detectio
REMEDY · Step by step
How to fix it?
Reduce the load.
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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