Overheat (Oh1); Overload (Ol) - Delta HES Series User Manual

5-6 Over Heat (OH)
Hybrid servo controller is
Is the temperature of heat sink
Is airway of cooling fan clogged
Is environment temperature within
temperature

5-7 Overload (oL)

Hybrid servo controller is
overloaded
Reduce load or increase the
capacity of hybrid servo controller
overheated
Heat sink is
overheated
higher than 90°C
Yes
Yes
Is load too heavy
No
Is cooling fan running
Yes
No
regulated range
Yes
Adjusted the environment
to regulated range
Chapter 5 Methods of Anomaly Diagnosis
Temperature detection circuit on
No
circuit board malfunctions. Please
contact Delta for assistance.
Reduce load
No
Replace cooling fan
Yes
Remove the clog
It's likely hybrid servo controller breaks
No
down or malfunctions due to noise. Please
contact Delta for assistance.
5-9
|HES Series