YASKAWA AC Drive GA700 High Performance Type Technical Manual
Setting Value
Function
Description
4F
Braking Resistor Overheat (rH)
The terminal activates when the braking resistor overheats and the drive detects an rH [Braking Resistor Overheat] fault.
The braking resistor overheats when the deceleration time is short and there is too much motor regeneration energy.